pinctrl: ralink: move RT305X SoC pinmux config into a new 'pinctrl-rt305x.c' file

Move all related code for SoC RT305X into a new driver located
in 'pinctrl-rt305x.c' source file.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210604115159.8834-5-sergio.paracuellos@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/mips/include/asm/mach-ralink/rt305x.h b/arch/mips/include/asm/mach-ralink/rt305x.h
index b54619dc4b888e001feceddd2899c303a0569be7..4d8e8c8d83ce2e5c42b4eedc7a101d124de1313b 100644 (file)
--- a/arch/mips/include/asm/mach-ralink/rt305x.h
+++ b/arch/mips/include/asm/mach-ralink/rt305x.h
@@ -114,30 +114,6 @@ static inline int soc_is_rt5350(void)
 #define RT305X_GPIO_GE0_TXD0           40
 #define RT305X_GPIO_GE0_RXCLK          51
 
-#define RT305X_GPIO_MODE_UART0_SHIFT   2
-#define RT305X_GPIO_MODE_UART0_MASK    0x7
-#define RT305X_GPIO_MODE_UART0(x)      ((x) << RT305X_GPIO_MODE_UART0_SHIFT)
-#define RT305X_GPIO_MODE_UARTF         0
-#define RT305X_GPIO_MODE_PCM_UARTF     1
-#define RT305X_GPIO_MODE_PCM_I2S       2
-#define RT305X_GPIO_MODE_I2S_UARTF     3
-#define RT305X_GPIO_MODE_PCM_GPIO      4
-#define RT305X_GPIO_MODE_GPIO_UARTF    5
-#define RT305X_GPIO_MODE_GPIO_I2S      6
-#define RT305X_GPIO_MODE_GPIO          7
-
-#define RT305X_GPIO_MODE_I2C           0
-#define RT305X_GPIO_MODE_SPI           1
-#define RT305X_GPIO_MODE_UART1         5
-#define RT305X_GPIO_MODE_JTAG          6
-#define RT305X_GPIO_MODE_MDIO          7
-#define RT305X_GPIO_MODE_SDRAM         8
-#define RT305X_GPIO_MODE_RGMII         9
-#define RT5350_GPIO_MODE_PHY_LED       14
-#define RT5350_GPIO_MODE_SPI_CS1       21
-#define RT3352_GPIO_MODE_LNA           18
-#define RT3352_GPIO_MODE_PA            20
-
 #define RT3352_SYSC_REG_SYSCFG0                0x010
 #define RT3352_SYSC_REG_SYSCFG1         0x014
 #define RT3352_SYSC_REG_CLKCFG1         0x030

diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c
index c5b63c14270512771316166a3d8c1406301208b2..8b095a9dcb155469f952cae4a4836aa241b667de 100644 (file)
--- a/arch/mips/ralink/rt305x.c
+++ b/arch/mips/ralink/rt305x.c
@@ -16,83 +16,9 @@
 #include <asm/mipsregs.h>
 #include <asm/mach-ralink/ralink_regs.h>
 #include <asm/mach-ralink/rt305x.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 uartf_func[] = {
-       FUNC("uartf", RT305X_GPIO_MODE_UARTF, 7, 8),
-       FUNC("pcm uartf", RT305X_GPIO_MODE_PCM_UARTF, 7, 8),
-       FUNC("pcm i2s", RT305X_GPIO_MODE_PCM_I2S, 7, 8),
-       FUNC("i2s uartf", RT305X_GPIO_MODE_I2S_UARTF, 7, 8),
-       FUNC("pcm gpio", RT305X_GPIO_MODE_PCM_GPIO, 11, 4),
-       FUNC("gpio uartf", RT305X_GPIO_MODE_GPIO_UARTF, 7, 4),
-       FUNC("gpio i2s", RT305X_GPIO_MODE_GPIO_I2S, 7, 4),
-};
-static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) };
-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 rt5350_led_func[] = { FUNC("led", 0, 22, 5) };
-static struct rt2880_pmx_func rt5350_cs1_func[] = {
-       FUNC("spi_cs1", 0, 27, 1),
-       FUNC("wdg_cs1", 1, 27, 1),
-};
-static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
-static struct rt2880_pmx_func rt3352_rgmii_func[] = {
-       FUNC("rgmii", 0, 24, 12)
-};
-static struct rt2880_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) };
-static struct rt2880_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) };
-static struct rt2880_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) };
-static struct rt2880_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) };
-static struct rt2880_pmx_func rt3352_cs1_func[] = {
-       FUNC("spi_cs1", 0, 45, 1),
-       FUNC("wdg_cs1", 1, 45, 1),
-};
-
-static struct rt2880_pmx_group rt3050_pinmux_data[] = {
-       GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
-       GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI),
-       GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK,
-               RT305X_GPIO_MODE_UART0_SHIFT),
-       GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
-       GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
-       GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO),
-       GRP("rgmii", rgmii_func, 1, RT305X_GPIO_MODE_RGMII),
-       GRP("sdram", sdram_func, 1, RT305X_GPIO_MODE_SDRAM),
-       { 0 }
-};
-
-static struct rt2880_pmx_group rt3352_pinmux_data[] = {
-       GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
-       GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI),
-       GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK,
-               RT305X_GPIO_MODE_UART0_SHIFT),
-       GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
-       GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
-       GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO),
-       GRP("rgmii", rt3352_rgmii_func, 1, RT305X_GPIO_MODE_RGMII),
-       GRP("lna", rt3352_lna_func, 1, RT3352_GPIO_MODE_LNA),
-       GRP("pa", rt3352_pa_func, 1, RT3352_GPIO_MODE_PA),
-       GRP("led", rt3352_led_func, 1, RT5350_GPIO_MODE_PHY_LED),
-       GRP("spi_cs1", rt3352_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1),
-       { 0 }
-};
-
-static struct rt2880_pmx_group rt5350_pinmux_data[] = {
-       GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
-       GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI),
-       GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK,
-               RT305X_GPIO_MODE_UART0_SHIFT),
-       GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
-       GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
-       GRP("led", rt5350_led_func, 1, RT5350_GPIO_MODE_PHY_LED),
-       GRP("spi_cs1", rt5350_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1),
-       { 0 }
-};
-
 static unsigned long rt5350_get_mem_size(void)
 {
        void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
@@ -265,14 +191,11 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
        soc_info->mem_base = RT305X_SDRAM_BASE;
        if (soc_is_rt5350()) {
                soc_info->mem_size = rt5350_get_mem_size();
-               rt2880_pinmux_data = rt5350_pinmux_data;
        } else if (soc_is_rt305x() || soc_is_rt3350()) {
                soc_info->mem_size_min = RT305X_MEM_SIZE_MIN;
                soc_info->mem_size_max = RT305X_MEM_SIZE_MAX;
-               rt2880_pinmux_data = rt3050_pinmux_data;
        } else if (soc_is_rt3352()) {
                soc_info->mem_size_min = RT3352_MEM_SIZE_MIN;
                soc_info->mem_size_max = RT3352_MEM_SIZE_MAX;
-               rt2880_pinmux_data = rt3352_pinmux_data;
        }
 }

diff --git a/drivers/pinctrl/ralink/Kconfig b/drivers/pinctrl/ralink/Kconfig
index 6f5fb3dc0a419217813c175ae7452ec4aac17f20..705a63d34d3c844e540e2a292c13c68f33d9244f 100644 (file)
--- a/drivers/pinctrl/ralink/Kconfig
+++ b/drivers/pinctrl/ralink/Kconfig
@@ -16,6 +16,11 @@ config PINCTRL_MT7621
         depends on RALINK && SOC_MT7621
         select PINCTRL_RT2880
 
+config PINCTRL_RT305X
+        bool "RT305X pinctrl driver for RALINK/Mediatek SOCs"
+        depends on RALINK && SOC_RT305X
+        select PINCTRL_RT2880
+
 config PINCTRL_RT3883
         bool "RT3883 pinctrl driver for RALINK/Mediatek SOCs"
         depends on RALINK && SOC_RT3883

diff --git a/drivers/pinctrl/ralink/Makefile b/drivers/pinctrl/ralink/Makefile
index 86d6f8253afa91a914363dc8c9295e9b987cf0fc..119d30ecea98ba61b6e963176ce5f7898ef68758 100644 (file)
--- a/drivers/pinctrl/ralink/Makefile
+++ b/drivers/pinctrl/ralink/Makefile
@@ -2,4 +2,5 @@
 obj-$(CONFIG_PINCTRL_RT2880)   += pinctrl-rt2880.o
 
 obj-$(CONFIG_PINCTRL_MT7621)   += pinctrl-mt7621.o
+obj-$(CONFIG_PINCTRL_RT305X)   += pinctrl-rt305x.o
 obj-$(CONFIG_PINCTRL_RT3883)   += pinctrl-rt3883.o

diff --git a/drivers/pinctrl/ralink/pinctrl-rt305x.c b/drivers/pinctrl/ralink/pinctrl-rt305x.c
new file mode 100644 (file)
index 0000000..699fe18
--- /dev/null
+++ b/drivers/pinctrl/ralink/pinctrl-rt305x.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/mach-ralink/rt305x.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include "pinmux.h"
+
+#define RT305X_GPIO_MODE_UART0_SHIFT   2
+#define RT305X_GPIO_MODE_UART0_MASK    0x7
+#define RT305X_GPIO_MODE_UART0(x)      ((x) << RT305X_GPIO_MODE_UART0_SHIFT)
+#define RT305X_GPIO_MODE_UARTF         0
+#define RT305X_GPIO_MODE_PCM_UARTF     1
+#define RT305X_GPIO_MODE_PCM_I2S       2
+#define RT305X_GPIO_MODE_I2S_UARTF     3
+#define RT305X_GPIO_MODE_PCM_GPIO      4
+#define RT305X_GPIO_MODE_GPIO_UARTF    5
+#define RT305X_GPIO_MODE_GPIO_I2S      6
+#define RT305X_GPIO_MODE_GPIO          7
+
+#define RT305X_GPIO_MODE_I2C           0
+#define RT305X_GPIO_MODE_SPI           1
+#define RT305X_GPIO_MODE_UART1         5
+#define RT305X_GPIO_MODE_JTAG          6
+#define RT305X_GPIO_MODE_MDIO          7
+#define RT305X_GPIO_MODE_SDRAM         8
+#define RT305X_GPIO_MODE_RGMII         9
+#define RT5350_GPIO_MODE_PHY_LED       14
+#define RT5350_GPIO_MODE_SPI_CS1       21
+#define RT3352_GPIO_MODE_LNA           18
+#define RT3352_GPIO_MODE_PA            20
+
+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 uartf_func[] = {
+       FUNC("uartf", RT305X_GPIO_MODE_UARTF, 7, 8),
+       FUNC("pcm uartf", RT305X_GPIO_MODE_PCM_UARTF, 7, 8),
+       FUNC("pcm i2s", RT305X_GPIO_MODE_PCM_I2S, 7, 8),
+       FUNC("i2s uartf", RT305X_GPIO_MODE_I2S_UARTF, 7, 8),
+       FUNC("pcm gpio", RT305X_GPIO_MODE_PCM_GPIO, 11, 4),
+       FUNC("gpio uartf", RT305X_GPIO_MODE_GPIO_UARTF, 7, 4),
+       FUNC("gpio i2s", RT305X_GPIO_MODE_GPIO_I2S, 7, 4),
+};
+static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) };
+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 rt5350_led_func[] = { FUNC("led", 0, 22, 5) };
+static struct rt2880_pmx_func rt5350_cs1_func[] = {
+       FUNC("spi_cs1", 0, 27, 1),
+       FUNC("wdg_cs1", 1, 27, 1),
+};
+static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
+static struct rt2880_pmx_func rt3352_rgmii_func[] = {
+       FUNC("rgmii", 0, 24, 12)
+};
+static struct rt2880_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) };
+static struct rt2880_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) };
+static struct rt2880_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) };
+static struct rt2880_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) };
+static struct rt2880_pmx_func rt3352_cs1_func[] = {
+       FUNC("spi_cs1", 0, 45, 1),
+       FUNC("wdg_cs1", 1, 45, 1),
+};
+
+static struct rt2880_pmx_group rt3050_pinmux_data[] = {
+       GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
+       GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI),
+       GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK,
+               RT305X_GPIO_MODE_UART0_SHIFT),
+       GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
+       GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
+       GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO),
+       GRP("rgmii", rgmii_func, 1, RT305X_GPIO_MODE_RGMII),
+       GRP("sdram", sdram_func, 1, RT305X_GPIO_MODE_SDRAM),
+       { 0 }
+};
+
+static struct rt2880_pmx_group rt3352_pinmux_data[] = {
+       GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
+       GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI),
+       GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK,
+               RT305X_GPIO_MODE_UART0_SHIFT),
+       GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
+       GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
+       GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO),
+       GRP("rgmii", rt3352_rgmii_func, 1, RT305X_GPIO_MODE_RGMII),
+       GRP("lna", rt3352_lna_func, 1, RT3352_GPIO_MODE_LNA),
+       GRP("pa", rt3352_pa_func, 1, RT3352_GPIO_MODE_PA),
+       GRP("led", rt3352_led_func, 1, RT5350_GPIO_MODE_PHY_LED),
+       GRP("spi_cs1", rt3352_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1),
+       { 0 }
+};
+
+static struct rt2880_pmx_group rt5350_pinmux_data[] = {
+       GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
+       GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI),
+       GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK,
+               RT305X_GPIO_MODE_UART0_SHIFT),
+       GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
+       GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
+       GRP("led", rt5350_led_func, 1, RT5350_GPIO_MODE_PHY_LED),
+       GRP("spi_cs1", rt5350_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1),
+       { 0 }
+};
+
+static int rt305x_pinmux_probe(struct platform_device *pdev)
+{
+       if (soc_is_rt5350())
+               return rt2880_pinmux_init(pdev, rt5350_pinmux_data);
+       else if (soc_is_rt305x() || soc_is_rt3350())
+               return rt2880_pinmux_init(pdev, rt3050_pinmux_data);
+       else if (soc_is_rt3352())
+               return rt2880_pinmux_init(pdev, rt3352_pinmux_data);
+       else
+               return -EINVAL;
+}
+
+static const struct of_device_id rt305x_pinmux_match[] = {
+       { .compatible = "ralink,rt2880-pinmux" },
+       {}
+};
+MODULE_DEVICE_TABLE(of, rt305x_pinmux_match);
+
+static struct platform_driver rt305x_pinmux_driver = {
+       .probe = rt305x_pinmux_probe,
+       .driver = {
+               .name = "rt2880-pinmux",
+               .of_match_table = rt305x_pinmux_match,
+       },
+};
+
+static int __init rt305x_pinmux_init(void)
+{
+       return platform_driver_register(&rt305x_pinmux_driver);
+}
+core_initcall_sync(rt305x_pinmux_init);