mirror of
https://github.com/torvalds/linux.git
synced 2024-12-28 22:02:28 +00:00
da4f2b4ccc
As described in AM437x TRM, spruhl7h, Revised January 2018, there is an LCDC clockdomain present in the PER power domain. Although it is entirely unused on AM437x, it should be defined along with the other clockdomains so it can be shut off by Linux as there are no users. Reported-by: Munan Xu <munan@ti.com> Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
204 lines
5.6 KiB
C
204 lines
5.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* AM43xx Clock domains framework
|
|
*
|
|
* Copyright (C) 2013 Texas Instruments, Inc.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/io.h>
|
|
|
|
#include "clockdomain.h"
|
|
#include "prcm44xx.h"
|
|
#include "prcm43xx.h"
|
|
|
|
static struct clockdomain l4_cefuse_43xx_clkdm = {
|
|
.name = "l4_cefuse_clkdm",
|
|
.pwrdm = { .name = "cefuse_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_CEFUSE_INST,
|
|
.clkdm_offs = AM43XX_CM_CEFUSE_CEFUSE_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain mpu_43xx_clkdm = {
|
|
.name = "mpu_clkdm",
|
|
.pwrdm = { .name = "mpu_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_MPU_INST,
|
|
.clkdm_offs = AM43XX_CM_MPU_MPU_CDOFFS,
|
|
.flags = CLKDM_CAN_HWSUP_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l4ls_43xx_clkdm = {
|
|
.name = "l4ls_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_L4LS_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain tamper_43xx_clkdm = {
|
|
.name = "tamper_clkdm",
|
|
.pwrdm = { .name = "tamper_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_TAMPER_INST,
|
|
.clkdm_offs = AM43XX_CM_TAMPER_TAMPER_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l4_rtc_43xx_clkdm = {
|
|
.name = "l4_rtc_clkdm",
|
|
.pwrdm = { .name = "rtc_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_RTC_INST,
|
|
.clkdm_offs = AM43XX_CM_RTC_RTC_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain pruss_ocp_43xx_clkdm = {
|
|
.name = "pruss_ocp_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_ICSS_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain ocpwp_l3_43xx_clkdm = {
|
|
.name = "ocpwp_l3_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_OCPWP_L3_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l3s_tsc_43xx_clkdm = {
|
|
.name = "l3s_tsc_clkdm",
|
|
.pwrdm = { .name = "wkup_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_WKUP_INST,
|
|
.clkdm_offs = AM43XX_CM_WKUP_L3S_TSC_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain lcdc_43xx_clkdm = {
|
|
.name = "lcdc_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_LCDC_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain dss_43xx_clkdm = {
|
|
.name = "dss_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_DSS_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l3_aon_43xx_clkdm = {
|
|
.name = "l3_aon_clkdm",
|
|
.pwrdm = { .name = "wkup_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_WKUP_INST,
|
|
.clkdm_offs = AM43XX_CM_WKUP_L3_AON_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain emif_43xx_clkdm = {
|
|
.name = "emif_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_EMIF_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l4_wkup_aon_43xx_clkdm = {
|
|
.name = "l4_wkup_aon_clkdm",
|
|
.pwrdm = { .name = "wkup_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_WKUP_INST,
|
|
.clkdm_offs = AM43XX_CM_WKUP_L4_WKUP_AON_CDOFFS,
|
|
};
|
|
|
|
static struct clockdomain l3_43xx_clkdm = {
|
|
.name = "l3_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_L3_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l4_wkup_43xx_clkdm = {
|
|
.name = "l4_wkup_clkdm",
|
|
.pwrdm = { .name = "wkup_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_WKUP_INST,
|
|
.clkdm_offs = AM43XX_CM_WKUP_WKUP_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain cpsw_125mhz_43xx_clkdm = {
|
|
.name = "cpsw_125mhz_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_CPSW_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain gfx_l3_43xx_clkdm = {
|
|
.name = "gfx_l3_clkdm",
|
|
.pwrdm = { .name = "gfx_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_GFX_INST,
|
|
.clkdm_offs = AM43XX_CM_GFX_GFX_L3_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain l3s_43xx_clkdm = {
|
|
.name = "l3s_clkdm",
|
|
.pwrdm = { .name = "per_pwrdm" },
|
|
.prcm_partition = AM43XX_CM_PARTITION,
|
|
.cm_inst = AM43XX_CM_PER_INST,
|
|
.clkdm_offs = AM43XX_CM_PER_L3S_CDOFFS,
|
|
.flags = CLKDM_CAN_SWSUP,
|
|
};
|
|
|
|
static struct clockdomain *clockdomains_am43xx[] __initdata = {
|
|
&l4_cefuse_43xx_clkdm,
|
|
&mpu_43xx_clkdm,
|
|
&l4ls_43xx_clkdm,
|
|
&tamper_43xx_clkdm,
|
|
&l4_rtc_43xx_clkdm,
|
|
&pruss_ocp_43xx_clkdm,
|
|
&ocpwp_l3_43xx_clkdm,
|
|
&l3s_tsc_43xx_clkdm,
|
|
&lcdc_43xx_clkdm,
|
|
&dss_43xx_clkdm,
|
|
&l3_aon_43xx_clkdm,
|
|
&emif_43xx_clkdm,
|
|
&l4_wkup_aon_43xx_clkdm,
|
|
&l3_43xx_clkdm,
|
|
&l4_wkup_43xx_clkdm,
|
|
&cpsw_125mhz_43xx_clkdm,
|
|
&gfx_l3_43xx_clkdm,
|
|
&l3s_43xx_clkdm,
|
|
NULL
|
|
};
|
|
|
|
void __init am43xx_clockdomains_init(void)
|
|
{
|
|
clkdm_register_platform_funcs(&am43xx_clkdm_operations);
|
|
clkdm_register_clkdms(clockdomains_am43xx);
|
|
clkdm_complete_init();
|
|
}
|