Both platforms had some initial device tree support, but this adds much more to actually make it usable. This is where the really nasty conflicts in the samsung platform start, due to some files getting moved around and combined in the 'restart' branch that has already gone into mainline through Russell's tree. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUATwtUpWCrR//JCVInAQI7bhAA1Q8MXyQ3EwLKMWX2p0vmbb29Nugoq0Y3 u9pBlCqiz0zw/jccPWASCgVgMVYguZLuhvMRCO8Q1D4l3ljcTt7qhtN6lBAESz2N OTTaNU2T84Um2Watm7VAQrnLcJMhxd/wFV06lmE62SgxwIVzyqxo4sr3KB3S5Qyj W3q5wRLuc5pC293HkWSNpLj3nfcKFF2oHOFpEAC5AS/C5S38Eu/T9y4FSUGvoTq4 u7xlZT11uZUTRfvkRQUTOXkh9I0Fk0JuwUpUkqhgvM4jD0Ehs60/702CX4mPAoVd +BFUI23QNSof6O04rUxEzOSt1ZNg4Le+pQZ3vUcOvi539Npq+VgzDU+yo7uzNtYv c22VJihvS9GY2s7ynmmCE6Rgw17B3VOMMy1cBbQEET2V2GwgU9lQLx2eR/bUrOGq ewcTCqgFFWVugsGsn0wM0BiPZAJ+FddXon3w3X09BM0v5a6O6q0aUAQiJnGqDgUE ZLHhYRoL87r2TU6J+3iutK3sDHQrvHkGAZdXX3H5hVWdfLWqnwGgLjT/NpBeUaWc g6nut7pFgVDCD4q4JUCa99XykgKGWRtSHAuHmJQsdZ24PzpXmse3etVZTCYwr7t6 BM3zrozoecQbGTRwZKGb9poOKd7g7xJ7125770GqYgTeX+BnBcA2lIEDAkEKsLBR GaxJggw32Q0= =XY2N -----END PGP SIGNATURE----- Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Device tree conversions for samsung and tegra Both platforms had some initial device tree support, but this adds much more to actually make it usable. * tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits) ARM: dts: Add intial dts file for EXYNOS4210 SoC, SMDKV310 and ORIGEN ARM: EXYNOS: Add Exynos4 device tree enabled board file rtc: rtc-s3c: Add device tree support input: samsung-keypad: Add device tree support ARM: S5PV210: Modify platform data for pl330 driver ARM: S5PC100: Modify platform data for pl330 driver ARM: S5P64x0: Modify platform data for pl330 driver ARM: EXYNOS: Add a alias for pdma clocks ARM: EXYNOS: Limit usage of pl330 device instance to non-dt build ARM: SAMSUNG: Add device tree support for pl330 dma engine wrappers DMA: PL330: Add device tree support ARM: EXYNOS: Modify platform data for pl330 driver DMA: PL330: Infer transfer direction from transfer request instead of platform data DMA: PL330: move filter function into driver serial: samsung: Fix build for non-Exynos4210 devices serial: samsung: add device tree support serial: samsung: merge probe() function from all SoC specific extensions serial: samsung: merge all SoC specific port reset functions ARM: SAMSUNG: register uart clocks to clock lookup list serial: samsung: remove all uses of get_clksrc and set_clksrc ... Fix up fairly trivial conflicts in arch/arm/mach-s3c2440/clock.c and drivers/tty/serial/Kconfig both due to just adding code close to changes.
1313 lines
32 KiB
C
1313 lines
32 KiB
C
/* linux/arch/arm/mach-s5pv210/clock.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* S5PV210 - Clock support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/errno.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/io.h>
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#include <mach/map.h>
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#include <plat/cpu-freq.h>
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#include <mach/regs-clock.h>
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#include <plat/clock.h>
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#include <plat/cpu.h>
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#include <plat/pll.h>
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#include <plat/s5p-clock.h>
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#include <plat/clock-clksrc.h>
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#include "common.h"
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static unsigned long xtal;
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static struct clksrc_clk clk_mout_apll = {
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.clk = {
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.name = "mout_apll",
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},
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.sources = &clk_src_apll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
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};
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static struct clksrc_clk clk_mout_epll = {
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.clk = {
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.name = "mout_epll",
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},
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.sources = &clk_src_epll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
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};
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static struct clksrc_clk clk_mout_mpll = {
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.clk = {
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.name = "mout_mpll",
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},
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.sources = &clk_src_mpll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
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};
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static struct clk *clkset_armclk_list[] = {
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[0] = &clk_mout_apll.clk,
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[1] = &clk_mout_mpll.clk,
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};
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static struct clksrc_sources clkset_armclk = {
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.sources = clkset_armclk_list,
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.nr_sources = ARRAY_SIZE(clkset_armclk_list),
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};
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static struct clksrc_clk clk_armclk = {
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.clk = {
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.name = "armclk",
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},
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.sources = &clkset_armclk,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 },
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 3 },
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};
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static struct clksrc_clk clk_hclk_msys = {
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.clk = {
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.name = "hclk_msys",
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.parent = &clk_armclk.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
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};
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static struct clksrc_clk clk_pclk_msys = {
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.clk = {
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.name = "pclk_msys",
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.parent = &clk_hclk_msys.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
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};
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static struct clksrc_clk clk_sclk_a2m = {
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.clk = {
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.name = "sclk_a2m",
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.parent = &clk_mout_apll.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
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};
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static struct clk *clkset_hclk_sys_list[] = {
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[0] = &clk_mout_mpll.clk,
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[1] = &clk_sclk_a2m.clk,
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};
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static struct clksrc_sources clkset_hclk_sys = {
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.sources = clkset_hclk_sys_list,
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.nr_sources = ARRAY_SIZE(clkset_hclk_sys_list),
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};
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static struct clksrc_clk clk_hclk_dsys = {
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.clk = {
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.name = "hclk_dsys",
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},
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.sources = &clkset_hclk_sys,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 },
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};
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static struct clksrc_clk clk_pclk_dsys = {
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.clk = {
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.name = "pclk_dsys",
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.parent = &clk_hclk_dsys.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 },
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};
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static struct clksrc_clk clk_hclk_psys = {
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.clk = {
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.name = "hclk_psys",
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},
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.sources = &clkset_hclk_sys,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 },
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 },
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};
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static struct clksrc_clk clk_pclk_psys = {
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.clk = {
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.name = "pclk_psys",
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.parent = &clk_hclk_psys.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
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};
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static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
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}
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static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable);
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}
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static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable);
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}
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static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
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}
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static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable);
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}
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static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable);
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}
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static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable);
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}
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static int exynos4_clk_dac_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable);
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}
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static struct clk clk_sclk_hdmi27m = {
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.name = "sclk_hdmi27m",
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.rate = 27000000,
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};
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static struct clk clk_sclk_hdmiphy = {
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.name = "sclk_hdmiphy",
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};
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static struct clk clk_sclk_usbphy0 = {
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.name = "sclk_usbphy0",
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};
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static struct clk clk_sclk_usbphy1 = {
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.name = "sclk_usbphy1",
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};
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static struct clk clk_pcmcdclk0 = {
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.name = "pcmcdclk",
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};
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static struct clk clk_pcmcdclk1 = {
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.name = "pcmcdclk",
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};
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static struct clk clk_pcmcdclk2 = {
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.name = "pcmcdclk",
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};
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static struct clk dummy_apb_pclk = {
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.name = "apb_pclk",
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.id = -1,
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};
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static struct clk *clkset_vpllsrc_list[] = {
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[0] = &clk_fin_vpll,
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[1] = &clk_sclk_hdmi27m,
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};
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static struct clksrc_sources clkset_vpllsrc = {
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.sources = clkset_vpllsrc_list,
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.nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
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};
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static struct clksrc_clk clk_vpllsrc = {
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.clk = {
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.name = "vpll_src",
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.enable = s5pv210_clk_mask0_ctrl,
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.ctrlbit = (1 << 7),
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},
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.sources = &clkset_vpllsrc,
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.reg_src = { .reg = S5P_CLK_SRC1, .shift = 28, .size = 1 },
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};
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static struct clk *clkset_sclk_vpll_list[] = {
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[0] = &clk_vpllsrc.clk,
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[1] = &clk_fout_vpll,
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};
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static struct clksrc_sources clkset_sclk_vpll = {
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.sources = clkset_sclk_vpll_list,
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.nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
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};
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static struct clksrc_clk clk_sclk_vpll = {
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.clk = {
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.name = "sclk_vpll",
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},
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.sources = &clkset_sclk_vpll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
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};
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static struct clk *clkset_moutdmc0src_list[] = {
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[0] = &clk_sclk_a2m.clk,
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[1] = &clk_mout_mpll.clk,
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[2] = NULL,
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[3] = NULL,
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};
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static struct clksrc_sources clkset_moutdmc0src = {
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.sources = clkset_moutdmc0src_list,
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.nr_sources = ARRAY_SIZE(clkset_moutdmc0src_list),
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};
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static struct clksrc_clk clk_mout_dmc0 = {
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.clk = {
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.name = "mout_dmc0",
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},
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.sources = &clkset_moutdmc0src,
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.reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
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};
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static struct clksrc_clk clk_sclk_dmc0 = {
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.clk = {
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.name = "sclk_dmc0",
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.parent = &clk_mout_dmc0.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
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};
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static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
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{
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return clk_get_rate(clk->parent) / 2;
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}
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static struct clk_ops clk_hclk_imem_ops = {
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.get_rate = s5pv210_clk_imem_get_rate,
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};
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static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk)
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{
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return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
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}
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static struct clk_ops clk_fout_apll_ops = {
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.get_rate = s5pv210_clk_fout_apll_get_rate,
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};
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static struct clk init_clocks_off[] = {
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{
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.name = "dma",
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.devname = "dma-pl330.0",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 3),
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}, {
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.name = "dma",
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.devname = "dma-pl330.1",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 4),
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}, {
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.name = "rot",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1<<29),
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}, {
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.name = "fimc",
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.devname = "s5pv210-fimc.0",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 24),
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}, {
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.name = "fimc",
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.devname = "s5pv210-fimc.1",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 25),
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}, {
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.name = "fimc",
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.devname = "s5pv210-fimc.2",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 26),
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}, {
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.name = "mfc",
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.devname = "s5p-mfc",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 16),
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}, {
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.name = "dac",
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.devname = "s5p-sdo",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1 << 10),
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}, {
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.name = "mixer",
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.devname = "s5p-mixer",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1 << 9),
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}, {
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.name = "vp",
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.devname = "s5p-mixer",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1 << 8),
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}, {
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.name = "hdmi",
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.devname = "s5pv210-hdmi",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1 << 11),
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}, {
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.name = "hdmiphy",
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.devname = "s5pv210-hdmi",
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.enable = exynos4_clk_hdmiphy_ctrl,
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.ctrlbit = (1 << 0),
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}, {
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.name = "dacphy",
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.devname = "s5p-sdo",
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.enable = exynos4_clk_dac_ctrl,
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.ctrlbit = (1 << 0),
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}, {
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.name = "otg",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<16),
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}, {
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.name = "usb-host",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<17),
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}, {
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.name = "lcd",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<0),
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}, {
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.name = "cfcon",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<25),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.0",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip2_ctrl,
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.ctrlbit = (1<<16),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.1",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip2_ctrl,
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.ctrlbit = (1<<17),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.2",
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.parent = &clk_hclk_psys.clk,
|
|
.enable = s5pv210_clk_ip2_ctrl,
|
|
.ctrlbit = (1<<18),
|
|
}, {
|
|
.name = "hsmmc",
|
|
.devname = "s3c-sdhci.3",
|
|
.parent = &clk_hclk_psys.clk,
|
|
.enable = s5pv210_clk_ip2_ctrl,
|
|
.ctrlbit = (1<<19),
|
|
}, {
|
|
.name = "systimer",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<16),
|
|
}, {
|
|
.name = "watchdog",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<22),
|
|
}, {
|
|
.name = "rtc",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<15),
|
|
}, {
|
|
.name = "i2c",
|
|
.devname = "s3c2440-i2c.0",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<7),
|
|
}, {
|
|
.name = "i2c",
|
|
.devname = "s3c2440-i2c.1",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 10),
|
|
}, {
|
|
.name = "i2c",
|
|
.devname = "s3c2440-i2c.2",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<9),
|
|
}, {
|
|
.name = "i2c",
|
|
.devname = "s3c2440-hdmiphy-i2c",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 11),
|
|
}, {
|
|
.name = "spi",
|
|
.devname = "s3c64xx-spi.0",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<12),
|
|
}, {
|
|
.name = "spi",
|
|
.devname = "s3c64xx-spi.1",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<13),
|
|
}, {
|
|
.name = "spi",
|
|
.devname = "s3c64xx-spi.2",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<14),
|
|
}, {
|
|
.name = "timers",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<23),
|
|
}, {
|
|
.name = "adc",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<24),
|
|
}, {
|
|
.name = "keypad",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<21),
|
|
}, {
|
|
.name = "iis",
|
|
.devname = "samsung-i2s.0",
|
|
.parent = &clk_p,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1<<4),
|
|
}, {
|
|
.name = "iis",
|
|
.devname = "samsung-i2s.1",
|
|
.parent = &clk_p,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 5),
|
|
}, {
|
|
.name = "iis",
|
|
.devname = "samsung-i2s.2",
|
|
.parent = &clk_p,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 6),
|
|
}, {
|
|
.name = "spdif",
|
|
.parent = &clk_p,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 0),
|
|
},
|
|
};
|
|
|
|
static struct clk init_clocks[] = {
|
|
{
|
|
.name = "hclk_imem",
|
|
.parent = &clk_hclk_msys.clk,
|
|
.ctrlbit = (1 << 5),
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ops = &clk_hclk_imem_ops,
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.0",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 17),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.1",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 18),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.2",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 19),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.3",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 20),
|
|
}, {
|
|
.name = "sromc",
|
|
.parent = &clk_hclk_psys.clk,
|
|
.enable = s5pv210_clk_ip1_ctrl,
|
|
.ctrlbit = (1 << 26),
|
|
},
|
|
};
|
|
|
|
static struct clk *clkset_uart_list[] = {
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_uart = {
|
|
.sources = clkset_uart_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_uart_list),
|
|
};
|
|
|
|
static struct clk *clkset_group1_list[] = {
|
|
[0] = &clk_sclk_a2m.clk,
|
|
[1] = &clk_mout_mpll.clk,
|
|
[2] = &clk_mout_epll.clk,
|
|
[3] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_group1 = {
|
|
.sources = clkset_group1_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_group1_list),
|
|
};
|
|
|
|
static struct clk *clkset_sclk_onenand_list[] = {
|
|
[0] = &clk_hclk_psys.clk,
|
|
[1] = &clk_hclk_dsys.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_onenand = {
|
|
.sources = clkset_sclk_onenand_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_onenand_list),
|
|
};
|
|
|
|
static struct clk *clkset_sclk_dac_list[] = {
|
|
[0] = &clk_sclk_vpll.clk,
|
|
[1] = &clk_sclk_hdmiphy,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_dac = {
|
|
.sources = clkset_sclk_dac_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_dac_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_dac = {
|
|
.clk = {
|
|
.name = "sclk_dac",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 2),
|
|
},
|
|
.sources = &clkset_sclk_dac,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 1 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_pixel = {
|
|
.clk = {
|
|
.name = "sclk_pixel",
|
|
.parent = &clk_sclk_vpll.clk,
|
|
},
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4},
|
|
};
|
|
|
|
static struct clk *clkset_sclk_hdmi_list[] = {
|
|
[0] = &clk_sclk_pixel.clk,
|
|
[1] = &clk_sclk_hdmiphy,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_hdmi = {
|
|
.sources = clkset_sclk_hdmi_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_hdmi = {
|
|
.clk = {
|
|
.name = "sclk_hdmi",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 0),
|
|
},
|
|
.sources = &clkset_sclk_hdmi,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_mixer_list[] = {
|
|
[0] = &clk_sclk_dac.clk,
|
|
[1] = &clk_sclk_hdmi.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_mixer = {
|
|
.sources = clkset_sclk_mixer_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_mixer = {
|
|
.clk = {
|
|
.name = "sclk_mixer",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 1),
|
|
},
|
|
.sources = &clkset_sclk_mixer,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
|
|
};
|
|
|
|
static struct clksrc_clk *sclk_tv[] = {
|
|
&clk_sclk_dac,
|
|
&clk_sclk_pixel,
|
|
&clk_sclk_hdmi,
|
|
&clk_sclk_mixer,
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio0_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_pcmcdclk0,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio0 = {
|
|
.sources = clkset_sclk_audio0_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio0 = {
|
|
.clk = {
|
|
.name = "sclk_audio",
|
|
.devname = "soc-audio.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 24),
|
|
},
|
|
.sources = &clkset_sclk_audio0,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 0, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 0, .size = 4 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio1_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_pcmcdclk1,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio1 = {
|
|
.sources = clkset_sclk_audio1_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio1_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio1 = {
|
|
.clk = {
|
|
.name = "sclk_audio",
|
|
.devname = "soc-audio.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 25),
|
|
},
|
|
.sources = &clkset_sclk_audio1,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 4, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 4, .size = 4 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio2_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_pcmcdclk0,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio2 = {
|
|
.sources = clkset_sclk_audio2_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio2_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio2 = {
|
|
.clk = {
|
|
.name = "sclk_audio",
|
|
.devname = "soc-audio.2",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 26),
|
|
},
|
|
.sources = &clkset_sclk_audio2,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 8, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 8, .size = 4 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_spdif_list[] = {
|
|
[0] = &clk_sclk_audio0.clk,
|
|
[1] = &clk_sclk_audio1.clk,
|
|
[2] = &clk_sclk_audio2.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_spdif = {
|
|
.sources = clkset_sclk_spdif_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_spdif = {
|
|
.clk = {
|
|
.name = "sclk_spdif",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 27),
|
|
.ops = &s5p_sclk_spdif_ops,
|
|
},
|
|
.sources = &clkset_sclk_spdif,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
|
|
};
|
|
|
|
static struct clk *clkset_group2_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_xusbxti,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_group2 = {
|
|
.sources = clkset_group2_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_group2_list),
|
|
};
|
|
|
|
static struct clksrc_clk clksrcs[] = {
|
|
{
|
|
.clk = {
|
|
.name = "sclk_dmc",
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_onenand",
|
|
},
|
|
.sources = &clkset_sclk_onenand,
|
|
.reg_src = { .reg = S5P_CLK_SRC0, .shift = 28, .size = 1 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 12, .size = 3 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.devname = "s5pv210-fimc.0",
|
|
.enable = s5pv210_clk_mask1_ctrl,
|
|
.ctrlbit = (1 << 2),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.devname = "s5pv210-fimc.1",
|
|
.enable = s5pv210_clk_mask1_ctrl,
|
|
.ctrlbit = (1 << 3),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.devname = "s5pv210-fimc.2",
|
|
.enable = s5pv210_clk_mask1_ctrl,
|
|
.ctrlbit = (1 << 4),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_cam0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 3),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_cam1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 4),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimd",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 5),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 8),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 0, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 9),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 4, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.2",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 10),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 8, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 8, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.3",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 11),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mfc",
|
|
.devname = "s5p-mfc",
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ctrlbit = (1 << 16),
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_g2d",
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ctrlbit = (1 << 12),
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_g3d",
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ctrlbit = (1 << 8),
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_csis",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 6),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 28, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_spi",
|
|
.devname = "s3c64xx-spi.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 16),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC5, .shift = 0, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV5, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_spi",
|
|
.devname = "s3c64xx-spi.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 17),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC5, .shift = 4, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV5, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_pwi",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 29),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 24, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_pwm",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 19),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC5, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV5, .shift = 12, .size = 4 },
|
|
},
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_uart0 = {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 12),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 16, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_uart1 = {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 13),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_uart2 = {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.2",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 14),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 24, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 24, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_uart3 = {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.3",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 15),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 28, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 28, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk *clksrc_cdev[] = {
|
|
&clk_sclk_uart0,
|
|
&clk_sclk_uart1,
|
|
&clk_sclk_uart2,
|
|
&clk_sclk_uart3,
|
|
};
|
|
|
|
/* Clock initialisation code */
|
|
static struct clksrc_clk *sysclks[] = {
|
|
&clk_mout_apll,
|
|
&clk_mout_epll,
|
|
&clk_mout_mpll,
|
|
&clk_armclk,
|
|
&clk_hclk_msys,
|
|
&clk_sclk_a2m,
|
|
&clk_hclk_dsys,
|
|
&clk_hclk_psys,
|
|
&clk_pclk_msys,
|
|
&clk_pclk_dsys,
|
|
&clk_pclk_psys,
|
|
&clk_vpllsrc,
|
|
&clk_sclk_vpll,
|
|
&clk_mout_dmc0,
|
|
&clk_sclk_dmc0,
|
|
&clk_sclk_audio0,
|
|
&clk_sclk_audio1,
|
|
&clk_sclk_audio2,
|
|
&clk_sclk_spdif,
|
|
};
|
|
|
|
static u32 epll_div[][6] = {
|
|
{ 48000000, 0, 48, 3, 3, 0 },
|
|
{ 96000000, 0, 48, 3, 2, 0 },
|
|
{ 144000000, 1, 72, 3, 2, 0 },
|
|
{ 192000000, 0, 48, 3, 1, 0 },
|
|
{ 288000000, 1, 72, 3, 1, 0 },
|
|
{ 32750000, 1, 65, 3, 4, 35127 },
|
|
{ 32768000, 1, 65, 3, 4, 35127 },
|
|
{ 45158400, 0, 45, 3, 3, 10355 },
|
|
{ 45000000, 0, 45, 3, 3, 10355 },
|
|
{ 45158000, 0, 45, 3, 3, 10355 },
|
|
{ 49125000, 0, 49, 3, 3, 9961 },
|
|
{ 49152000, 0, 49, 3, 3, 9961 },
|
|
{ 67737600, 1, 67, 3, 3, 48366 },
|
|
{ 67738000, 1, 67, 3, 3, 48366 },
|
|
{ 73800000, 1, 73, 3, 3, 47710 },
|
|
{ 73728000, 1, 73, 3, 3, 47710 },
|
|
{ 36000000, 1, 32, 3, 4, 0 },
|
|
{ 60000000, 1, 60, 3, 3, 0 },
|
|
{ 72000000, 1, 72, 3, 3, 0 },
|
|
{ 80000000, 1, 80, 3, 3, 0 },
|
|
{ 84000000, 0, 42, 3, 2, 0 },
|
|
{ 50000000, 0, 50, 3, 3, 0 },
|
|
};
|
|
|
|
static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
|
|
{
|
|
unsigned int epll_con, epll_con_k;
|
|
unsigned int i;
|
|
|
|
/* Return if nothing changed */
|
|
if (clk->rate == rate)
|
|
return 0;
|
|
|
|
epll_con = __raw_readl(S5P_EPLL_CON);
|
|
epll_con_k = __raw_readl(S5P_EPLL_CON1);
|
|
|
|
epll_con_k &= ~PLL46XX_KDIV_MASK;
|
|
epll_con &= ~(1 << 27 |
|
|
PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |
|
|
PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |
|
|
PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
|
|
if (epll_div[i][0] == rate) {
|
|
epll_con_k |= epll_div[i][5] << 0;
|
|
epll_con |= (epll_div[i][1] << 27 |
|
|
epll_div[i][2] << PLL46XX_MDIV_SHIFT |
|
|
epll_div[i][3] << PLL46XX_PDIV_SHIFT |
|
|
epll_div[i][4] << PLL46XX_SDIV_SHIFT);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(epll_div)) {
|
|
printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
__raw_writel(epll_con, S5P_EPLL_CON);
|
|
__raw_writel(epll_con_k, S5P_EPLL_CON1);
|
|
|
|
printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
|
|
clk->rate, rate);
|
|
|
|
clk->rate = rate;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct clk_ops s5pv210_epll_ops = {
|
|
.set_rate = s5pv210_epll_set_rate,
|
|
.get_rate = s5p_epll_get_rate,
|
|
};
|
|
|
|
static u32 vpll_div[][5] = {
|
|
{ 54000000, 3, 53, 3, 0 },
|
|
{ 108000000, 3, 53, 2, 0 },
|
|
};
|
|
|
|
static unsigned long s5pv210_vpll_get_rate(struct clk *clk)
|
|
{
|
|
return clk->rate;
|
|
}
|
|
|
|
static int s5pv210_vpll_set_rate(struct clk *clk, unsigned long rate)
|
|
{
|
|
unsigned int vpll_con;
|
|
unsigned int i;
|
|
|
|
/* Return if nothing changed */
|
|
if (clk->rate == rate)
|
|
return 0;
|
|
|
|
vpll_con = __raw_readl(S5P_VPLL_CON);
|
|
vpll_con &= ~(0x1 << 27 | \
|
|
PLL90XX_MDIV_MASK << PLL90XX_MDIV_SHIFT | \
|
|
PLL90XX_PDIV_MASK << PLL90XX_PDIV_SHIFT | \
|
|
PLL90XX_SDIV_MASK << PLL90XX_SDIV_SHIFT);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(vpll_div); i++) {
|
|
if (vpll_div[i][0] == rate) {
|
|
vpll_con |= vpll_div[i][1] << PLL90XX_PDIV_SHIFT;
|
|
vpll_con |= vpll_div[i][2] << PLL90XX_MDIV_SHIFT;
|
|
vpll_con |= vpll_div[i][3] << PLL90XX_SDIV_SHIFT;
|
|
vpll_con |= vpll_div[i][4] << 27;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(vpll_div)) {
|
|
printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
__raw_writel(vpll_con, S5P_VPLL_CON);
|
|
|
|
/* Wait for VPLL lock */
|
|
while (!(__raw_readl(S5P_VPLL_CON) & (1 << PLL90XX_LOCKED_SHIFT)))
|
|
continue;
|
|
|
|
clk->rate = rate;
|
|
return 0;
|
|
}
|
|
static struct clk_ops s5pv210_vpll_ops = {
|
|
.get_rate = s5pv210_vpll_get_rate,
|
|
.set_rate = s5pv210_vpll_set_rate,
|
|
};
|
|
|
|
void __init_or_cpufreq s5pv210_setup_clocks(void)
|
|
{
|
|
struct clk *xtal_clk;
|
|
unsigned long vpllsrc;
|
|
unsigned long armclk;
|
|
unsigned long hclk_msys;
|
|
unsigned long hclk_dsys;
|
|
unsigned long hclk_psys;
|
|
unsigned long pclk_msys;
|
|
unsigned long pclk_dsys;
|
|
unsigned long pclk_psys;
|
|
unsigned long apll;
|
|
unsigned long mpll;
|
|
unsigned long epll;
|
|
unsigned long vpll;
|
|
unsigned int ptr;
|
|
u32 clkdiv0, clkdiv1;
|
|
|
|
/* Set functions for clk_fout_epll */
|
|
clk_fout_epll.enable = s5p_epll_enable;
|
|
clk_fout_epll.ops = &s5pv210_epll_ops;
|
|
|
|
printk(KERN_DEBUG "%s: registering clocks\n", __func__);
|
|
|
|
clkdiv0 = __raw_readl(S5P_CLK_DIV0);
|
|
clkdiv1 = __raw_readl(S5P_CLK_DIV1);
|
|
|
|
printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
|
|
__func__, clkdiv0, clkdiv1);
|
|
|
|
xtal_clk = clk_get(NULL, "xtal");
|
|
BUG_ON(IS_ERR(xtal_clk));
|
|
|
|
xtal = clk_get_rate(xtal_clk);
|
|
clk_put(xtal_clk);
|
|
|
|
printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
|
|
|
|
apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
|
|
mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
|
|
epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON),
|
|
__raw_readl(S5P_EPLL_CON1), pll_4600);
|
|
vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
|
|
vpll = s5p_get_pll45xx(vpllsrc, __raw_readl(S5P_VPLL_CON), pll_4502);
|
|
|
|
clk_fout_apll.ops = &clk_fout_apll_ops;
|
|
clk_fout_mpll.rate = mpll;
|
|
clk_fout_epll.rate = epll;
|
|
clk_fout_vpll.ops = &s5pv210_vpll_ops;
|
|
clk_fout_vpll.rate = vpll;
|
|
|
|
printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
|
|
apll, mpll, epll, vpll);
|
|
|
|
armclk = clk_get_rate(&clk_armclk.clk);
|
|
hclk_msys = clk_get_rate(&clk_hclk_msys.clk);
|
|
hclk_dsys = clk_get_rate(&clk_hclk_dsys.clk);
|
|
hclk_psys = clk_get_rate(&clk_hclk_psys.clk);
|
|
pclk_msys = clk_get_rate(&clk_pclk_msys.clk);
|
|
pclk_dsys = clk_get_rate(&clk_pclk_dsys.clk);
|
|
pclk_psys = clk_get_rate(&clk_pclk_psys.clk);
|
|
|
|
printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld\n"
|
|
"HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
|
|
armclk, hclk_msys, hclk_dsys, hclk_psys,
|
|
pclk_msys, pclk_dsys, pclk_psys);
|
|
|
|
clk_f.rate = armclk;
|
|
clk_h.rate = hclk_psys;
|
|
clk_p.rate = pclk_psys;
|
|
|
|
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
|
|
s3c_set_clksrc(&clksrcs[ptr], true);
|
|
}
|
|
|
|
static struct clk *clks[] __initdata = {
|
|
&clk_sclk_hdmi27m,
|
|
&clk_sclk_hdmiphy,
|
|
&clk_sclk_usbphy0,
|
|
&clk_sclk_usbphy1,
|
|
&clk_pcmcdclk0,
|
|
&clk_pcmcdclk1,
|
|
&clk_pcmcdclk2,
|
|
};
|
|
|
|
static struct clk_lookup s5pv210_clk_lookup[] = {
|
|
CLKDEV_INIT(NULL, "clk_uart_baud0", &clk_p),
|
|
CLKDEV_INIT("s5pv210-uart.0", "clk_uart_baud1", &clk_sclk_uart0.clk),
|
|
CLKDEV_INIT("s5pv210-uart.1", "clk_uart_baud1", &clk_sclk_uart1.clk),
|
|
CLKDEV_INIT("s5pv210-uart.2", "clk_uart_baud1", &clk_sclk_uart2.clk),
|
|
CLKDEV_INIT("s5pv210-uart.3", "clk_uart_baud1", &clk_sclk_uart3.clk),
|
|
};
|
|
|
|
void __init s5pv210_register_clocks(void)
|
|
{
|
|
int ptr;
|
|
|
|
s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
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for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
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s3c_register_clksrc(sysclks[ptr], 1);
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for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++)
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s3c_register_clksrc(sclk_tv[ptr], 1);
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for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++)
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s3c_register_clksrc(clksrc_cdev[ptr], 1);
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s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
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s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
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s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
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s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
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clkdev_add_table(s5pv210_clk_lookup, ARRAY_SIZE(s5pv210_clk_lookup));
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s3c24xx_register_clock(&dummy_apb_pclk);
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s3c_pwmclk_init();
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}
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