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@xxxxxxxxx>
---
arch/mips/include/asm/mach-ralink/rt305x.h | 24 ----
arch/mips/ralink/rt305x.c | 77 ------------
drivers/pinctrl/ralink/Kconfig | 5 +
drivers/pinctrl/ralink/Makefile | 1 +
drivers/pinctrl/ralink/pinctrl-rt305x.c | 136 +++++++++++++++++++++
5 files changed, 142 insertions(+), 101 deletions(-)
create mode 100644 drivers/pinctrl/ralink/pinctrl-rt305x.c
diff --git a/arch/mips/include/asm/mach-ralink/rt305x.h b/arch/mips/include/asm/mach-ralink/rt305x.h
index b54619dc4b88..4d8e8c8d83ce 100644
--- 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 c5b63c142705..8b095a9dcb15 100644
--- 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 6f5fb3dc0a41..705a63d34d3c 100644
--- 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 86d6f8253afa..119d30ecea98 100644
--- 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
index 000000000000..699fe18e7000
--- /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);
--
2.25.1
