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pinctrl: ralink: move RT288X SoC pinmux config into a new 'pinctrl-rt288x.c' file

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Move all related code for SoC RT288X into a new driver located
in 'pinctrl-rt288x.c' source file.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210604115159.8834-7-sergio.paracuellos@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Sergio Paracuellos 2021-06-04 13:51:59 +02:00 committed by Linus Walleij
parent 745ec436de
commit a49a8717d8
5 changed files with 66 additions and 30 deletions
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9
arch/mips/include/asm/mach-ralink/rt288x.h
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@ -33,15 +33,6 @@
#define SYSTEM_CONFIG_CPUCLK_280 0x2
#define SYSTEM_CONFIG_CPUCLK_300 0x3
#define RT2880_GPIO_MODE_I2C BIT(0)
#define RT2880_GPIO_MODE_UART0 BIT(1)
#define RT2880_GPIO_MODE_SPI BIT(2)
#define RT2880_GPIO_MODE_UART1 BIT(3)
#define RT2880_GPIO_MODE_JTAG BIT(4)
#define RT2880_GPIO_MODE_MDIO BIT(5)
#define RT2880_GPIO_MODE_SDRAM BIT(6)
#define RT2880_GPIO_MODE_PCI BIT(7)
#define CLKCFG_SRAM_CS_N_WDT BIT(9)
#define RT2880_SDRAM_BASE 0x08000000

21
arch/mips/ralink/rt288x.c
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@ -14,29 +14,9 @@
#include <asm/mipsregs.h>
#include <asm/mach-ralink/ralink_regs.h>
#include <asm/mach-ralink/rt288x.h>
#include <asm/mach-ralink/pinmux.h>
#include "common.h"
static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) };
static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) };
static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 7, 8) };
static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) };
static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) };
static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
static struct rt2880_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) };
static struct rt2880_pmx_group rt2880_pinmux_data_act[] = {
GRP("i2c", i2c_func, 1, RT2880_GPIO_MODE_I2C),
GRP("spi", spi_func, 1, RT2880_GPIO_MODE_SPI),
GRP("uartlite", uartlite_func, 1, RT2880_GPIO_MODE_UART0),
GRP("jtag", jtag_func, 1, RT2880_GPIO_MODE_JTAG),
GRP("mdio", mdio_func, 1, RT2880_GPIO_MODE_MDIO),
GRP("sdram", sdram_func, 1, RT2880_GPIO_MODE_SDRAM),
GRP("pci", pci_func, 1, RT2880_GPIO_MODE_PCI),
{ 0 }
};
void __init ralink_clk_init(void)
{
unsigned long cpu_rate, wmac_rate = 40000000;
@ -106,6 +86,5 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
soc_info->mem_size_min = RT2880_MEM_SIZE_MIN;
soc_info->mem_size_max = RT2880_MEM_SIZE_MAX;
rt2880_pinmux_data = rt2880_pinmux_data_act;
ralink_soc = RT2880_SOC;
}

5
drivers/pinctrl/ralink/Kconfig
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@ -21,6 +21,11 @@ config PINCTRL_MT7621
depends on RALINK && SOC_MT7621
select PINCTRL_RT2880
config PINCTRL_RT288X
bool "RT288X pinctrl driver for RALINK/Mediatek SOCs"
depends on RALINK && SOC_RT288X
select PINCTRL_RT2880
config PINCTRL_RT305X
bool "RT305X pinctrl driver for RALINK/Mediatek SOCs"
depends on RALINK && SOC_RT305X

1
drivers/pinctrl/ralink/Makefile
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@ -3,5 +3,6 @@ obj-$(CONFIG_PINCTRL_RT2880) += pinctrl-rt2880.o
obj-$(CONFIG_PINCTRL_MT7620) += pinctrl-mt7620.o
obj-$(CONFIG_PINCTRL_MT7621) += pinctrl-mt7621.o
obj-$(CONFIG_PINCTRL_RT288X) += pinctrl-rt288x.o
obj-$(CONFIG_PINCTRL_RT305X) += pinctrl-rt305x.o
obj-$(CONFIG_PINCTRL_RT3883) += pinctrl-rt3883.o

60
drivers/pinctrl/ralink/pinctrl-rt288x.c Normal file
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@ -0,0 +1,60 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include "pinmux.h"
#define RT2880_GPIO_MODE_I2C BIT(0)
#define RT2880_GPIO_MODE_UART0 BIT(1)
#define RT2880_GPIO_MODE_SPI BIT(2)
#define RT2880_GPIO_MODE_UART1 BIT(3)
#define RT2880_GPIO_MODE_JTAG BIT(4)
#define RT2880_GPIO_MODE_MDIO BIT(5)
#define RT2880_GPIO_MODE_SDRAM BIT(6)
#define RT2880_GPIO_MODE_PCI BIT(7)
static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) };
static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) };
static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 7, 8) };
static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) };
static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) };
static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
static struct rt2880_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) };
static struct rt2880_pmx_group rt2880_pinmux_data_act[] = {
GRP("i2c", i2c_func, 1, RT2880_GPIO_MODE_I2C),
GRP("spi", spi_func, 1, RT2880_GPIO_MODE_SPI),
GRP("uartlite", uartlite_func, 1, RT2880_GPIO_MODE_UART0),
GRP("jtag", jtag_func, 1, RT2880_GPIO_MODE_JTAG),
GRP("mdio", mdio_func, 1, RT2880_GPIO_MODE_MDIO),
GRP("sdram", sdram_func, 1, RT2880_GPIO_MODE_SDRAM),
GRP("pci", pci_func, 1, RT2880_GPIO_MODE_PCI),
{ 0 }
};
static int rt288x_pinmux_probe(struct platform_device *pdev)
{
return rt2880_pinmux_init(pdev, rt2880_pinmux_data_act);
}
static const struct of_device_id rt288x_pinmux_match[] = {
{ .compatible = "ralink,rt2880-pinmux" },
{}
};
MODULE_DEVICE_TABLE(of, rt288x_pinmux_match);
static struct platform_driver rt288x_pinmux_driver = {
.probe = rt288x_pinmux_probe,
.driver = {
.name = "rt2880-pinmux",
.of_match_table = rt288x_pinmux_match,
},
};
static int __init rt288x_pinmux_init(void)
{
return platform_driver_register(&rt288x_pinmux_driver);
}
core_initcall_sync(rt288x_pinmux_init);