From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/pinctrl/ralink/Kconfig | 35 +++ drivers/pinctrl/ralink/Makefile | 8 + drivers/pinctrl/ralink/pinctrl-mt7620.c | 392 ++++++++++++++++++++++++++++++++ drivers/pinctrl/ralink/pinctrl-mt7621.c | 117 ++++++++++ drivers/pinctrl/ralink/pinctrl-ralink.c | 351 ++++++++++++++++++++++++++++ drivers/pinctrl/ralink/pinctrl-ralink.h | 53 +++++ drivers/pinctrl/ralink/pinctrl-rt2880.c | 61 +++++ drivers/pinctrl/ralink/pinctrl-rt305x.c | 138 +++++++++++ drivers/pinctrl/ralink/pinctrl-rt3883.c | 108 +++++++++ 9 files changed, 1263 insertions(+) create mode 100644 drivers/pinctrl/ralink/Kconfig create mode 100644 drivers/pinctrl/ralink/Makefile create mode 100644 drivers/pinctrl/ralink/pinctrl-mt7620.c create mode 100644 drivers/pinctrl/ralink/pinctrl-mt7621.c create mode 100644 drivers/pinctrl/ralink/pinctrl-ralink.c create mode 100644 drivers/pinctrl/ralink/pinctrl-ralink.h create mode 100644 drivers/pinctrl/ralink/pinctrl-rt2880.c create mode 100644 drivers/pinctrl/ralink/pinctrl-rt305x.c create mode 100644 drivers/pinctrl/ralink/pinctrl-rt3883.c (limited to 'drivers/pinctrl/ralink') diff --git a/drivers/pinctrl/ralink/Kconfig b/drivers/pinctrl/ralink/Kconfig new file mode 100644 index 000000000..1e4c5e43d --- /dev/null +++ b/drivers/pinctrl/ralink/Kconfig @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: GPL-2.0-only +menu "Ralink pinctrl drivers" + depends on RALINK + +config PINCTRL_RALINK + bool "Ralink pinctrl driver" + select PINMUX + select GENERIC_PINCONF + +config PINCTRL_MT7620 + bool "MT7620 pinctrl subdriver" + depends on RALINK && SOC_MT7620 + select PINCTRL_RALINK + +config PINCTRL_MT7621 + bool "MT7621 pinctrl subdriver" + depends on RALINK && SOC_MT7621 + select PINCTRL_RALINK + +config PINCTRL_RT2880 + bool "RT2880 pinctrl subdriver" + depends on RALINK && SOC_RT288X + select PINCTRL_RALINK + +config PINCTRL_RT305X + bool "RT305X pinctrl subdriver" + depends on RALINK && SOC_RT305X + select PINCTRL_RALINK + +config PINCTRL_RT3883 + bool "RT3883 pinctrl subdriver" + depends on RALINK && SOC_RT3883 + select PINCTRL_RALINK + +endmenu diff --git a/drivers/pinctrl/ralink/Makefile b/drivers/pinctrl/ralink/Makefile new file mode 100644 index 000000000..0ebbe5525 --- /dev/null +++ b/drivers/pinctrl/ralink/Makefile @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_PINCTRL_RALINK) += pinctrl-ralink.o + +obj-$(CONFIG_PINCTRL_MT7620) += pinctrl-mt7620.o +obj-$(CONFIG_PINCTRL_MT7621) += pinctrl-mt7621.o +obj-$(CONFIG_PINCTRL_RT2880) += pinctrl-rt2880.o +obj-$(CONFIG_PINCTRL_RT305X) += pinctrl-rt305x.o +obj-$(CONFIG_PINCTRL_RT3883) += pinctrl-rt3883.o diff --git a/drivers/pinctrl/ralink/pinctrl-mt7620.c b/drivers/pinctrl/ralink/pinctrl-mt7620.c new file mode 100644 index 000000000..929a1ace5 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-mt7620.c @@ -0,0 +1,392 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include +#include "pinctrl-ralink.h" + +#define MT7620_GPIO_MODE_UART0_SHIFT 2 +#define MT7620_GPIO_MODE_UART0_MASK 0x7 +#define MT7620_GPIO_MODE_UART0(x) ((x) << MT7620_GPIO_MODE_UART0_SHIFT) +#define MT7620_GPIO_MODE_UARTF 0x0 +#define MT7620_GPIO_MODE_PCM_UARTF 0x1 +#define MT7620_GPIO_MODE_PCM_I2S 0x2 +#define MT7620_GPIO_MODE_I2S_UARTF 0x3 +#define MT7620_GPIO_MODE_PCM_GPIO 0x4 +#define MT7620_GPIO_MODE_GPIO_UARTF 0x5 +#define MT7620_GPIO_MODE_GPIO_I2S 0x6 +#define MT7620_GPIO_MODE_GPIO 0x7 + +#define MT7620_GPIO_MODE_NAND 0 +#define MT7620_GPIO_MODE_SD 1 +#define MT7620_GPIO_MODE_ND_SD_GPIO 2 +#define MT7620_GPIO_MODE_ND_SD_MASK 0x3 +#define MT7620_GPIO_MODE_ND_SD_SHIFT 18 + +#define MT7620_GPIO_MODE_PCIE_RST 0 +#define MT7620_GPIO_MODE_PCIE_REF 1 +#define MT7620_GPIO_MODE_PCIE_GPIO 2 +#define MT7620_GPIO_MODE_PCIE_MASK 0x3 +#define MT7620_GPIO_MODE_PCIE_SHIFT 16 + +#define MT7620_GPIO_MODE_WDT_RST 0 +#define MT7620_GPIO_MODE_WDT_REF 1 +#define MT7620_GPIO_MODE_WDT_GPIO 2 +#define MT7620_GPIO_MODE_WDT_MASK 0x3 +#define MT7620_GPIO_MODE_WDT_SHIFT 21 + +#define MT7620_GPIO_MODE_MDIO 0 +#define MT7620_GPIO_MODE_MDIO_REFCLK 1 +#define MT7620_GPIO_MODE_MDIO_GPIO 2 +#define MT7620_GPIO_MODE_MDIO_MASK 0x3 +#define MT7620_GPIO_MODE_MDIO_SHIFT 7 + +#define MT7620_GPIO_MODE_I2C 0 +#define MT7620_GPIO_MODE_UART1 5 +#define MT7620_GPIO_MODE_RGMII1 9 +#define MT7620_GPIO_MODE_RGMII2 10 +#define MT7620_GPIO_MODE_SPI 11 +#define MT7620_GPIO_MODE_SPI_REF_CLK 12 +#define MT7620_GPIO_MODE_WLED 13 +#define MT7620_GPIO_MODE_JTAG 15 +#define MT7620_GPIO_MODE_EPHY 15 +#define MT7620_GPIO_MODE_PA 20 + +static struct ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; +static struct ralink_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; +static struct ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; +static struct ralink_pmx_func mdio_func[] = { + FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2), + FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2), +}; +static struct ralink_pmx_func rgmii1_func[] = { FUNC("rgmii1", 0, 24, 12) }; +static struct ralink_pmx_func refclk_func[] = { FUNC("spi refclk", 0, 37, 3) }; +static struct ralink_pmx_func ephy_func[] = { FUNC("ephy", 0, 40, 5) }; +static struct ralink_pmx_func rgmii2_func[] = { FUNC("rgmii2", 0, 60, 12) }; +static struct ralink_pmx_func wled_func[] = { FUNC("wled", 0, 72, 1) }; +static struct ralink_pmx_func pa_func[] = { FUNC("pa", 0, 18, 4) }; +static struct ralink_pmx_func uartf_func[] = { + FUNC("uartf", MT7620_GPIO_MODE_UARTF, 7, 8), + FUNC("pcm uartf", MT7620_GPIO_MODE_PCM_UARTF, 7, 8), + FUNC("pcm i2s", MT7620_GPIO_MODE_PCM_I2S, 7, 8), + FUNC("i2s uartf", MT7620_GPIO_MODE_I2S_UARTF, 7, 8), + FUNC("pcm gpio", MT7620_GPIO_MODE_PCM_GPIO, 11, 4), + FUNC("gpio uartf", MT7620_GPIO_MODE_GPIO_UARTF, 7, 4), + FUNC("gpio i2s", MT7620_GPIO_MODE_GPIO_I2S, 7, 4), +}; +static struct ralink_pmx_func wdt_func[] = { + FUNC("wdt rst", 0, 17, 1), + FUNC("wdt refclk", 0, 17, 1), + }; +static struct ralink_pmx_func pcie_rst_func[] = { + FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1), + FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1) +}; +static struct ralink_pmx_func nd_sd_func[] = { + FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15), + FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13) +}; + +static struct ralink_pmx_group mt7620a_pinmux_data[] = { + GRP("i2c", i2c_func, 1, MT7620_GPIO_MODE_I2C), + GRP("uartf", uartf_func, MT7620_GPIO_MODE_UART0_MASK, + MT7620_GPIO_MODE_UART0_SHIFT), + GRP("spi", spi_func, 1, MT7620_GPIO_MODE_SPI), + GRP("uartlite", uartlite_func, 1, MT7620_GPIO_MODE_UART1), + GRP_G("wdt", wdt_func, MT7620_GPIO_MODE_WDT_MASK, + MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT), + GRP_G("mdio", mdio_func, MT7620_GPIO_MODE_MDIO_MASK, + MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT), + GRP("rgmii1", rgmii1_func, 1, MT7620_GPIO_MODE_RGMII1), + GRP("spi refclk", refclk_func, 1, MT7620_GPIO_MODE_SPI_REF_CLK), + GRP_G("pcie", pcie_rst_func, MT7620_GPIO_MODE_PCIE_MASK, + MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT), + GRP_G("nd_sd", nd_sd_func, MT7620_GPIO_MODE_ND_SD_MASK, + MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT), + GRP("rgmii2", rgmii2_func, 1, MT7620_GPIO_MODE_RGMII2), + GRP("wled", wled_func, 1, MT7620_GPIO_MODE_WLED), + GRP("ephy", ephy_func, 1, MT7620_GPIO_MODE_EPHY), + GRP("pa", pa_func, 1, MT7620_GPIO_MODE_PA), + { 0 } +}; + +static struct ralink_pmx_func pwm1_func_mt76x8[] = { + FUNC("sdxc d6", 3, 19, 1), + FUNC("utif", 2, 19, 1), + FUNC("gpio", 1, 19, 1), + FUNC("pwm1", 0, 19, 1), +}; + +static struct ralink_pmx_func pwm0_func_mt76x8[] = { + FUNC("sdxc d7", 3, 18, 1), + FUNC("utif", 2, 18, 1), + FUNC("gpio", 1, 18, 1), + FUNC("pwm0", 0, 18, 1), +}; + +static struct ralink_pmx_func uart2_func_mt76x8[] = { + FUNC("sdxc d5 d4", 3, 20, 2), + FUNC("pwm", 2, 20, 2), + FUNC("gpio", 1, 20, 2), + FUNC("uart2", 0, 20, 2), +}; + +static struct ralink_pmx_func uart1_func_mt76x8[] = { + FUNC("sw_r", 3, 45, 2), + FUNC("pwm", 2, 45, 2), + FUNC("gpio", 1, 45, 2), + FUNC("uart1", 0, 45, 2), +}; + +static struct ralink_pmx_func i2c_func_mt76x8[] = { + FUNC("-", 3, 4, 2), + FUNC("debug", 2, 4, 2), + FUNC("gpio", 1, 4, 2), + FUNC("i2c", 0, 4, 2), +}; + +static struct ralink_pmx_func refclk_func_mt76x8[] = { FUNC("refclk", 0, 37, 1) }; +static struct ralink_pmx_func perst_func_mt76x8[] = { FUNC("perst", 0, 36, 1) }; +static struct ralink_pmx_func wdt_func_mt76x8[] = { FUNC("wdt", 0, 38, 1) }; +static struct ralink_pmx_func spi_func_mt76x8[] = { FUNC("spi", 0, 7, 4) }; + +static struct ralink_pmx_func sd_mode_func_mt76x8[] = { + FUNC("jtag", 3, 22, 8), + FUNC("utif", 2, 22, 8), + FUNC("gpio", 1, 22, 8), + FUNC("sdxc", 0, 22, 8), +}; + +static struct ralink_pmx_func uart0_func_mt76x8[] = { + FUNC("-", 3, 12, 2), + FUNC("-", 2, 12, 2), + FUNC("gpio", 1, 12, 2), + FUNC("uart0", 0, 12, 2), +}; + +static struct ralink_pmx_func i2s_func_mt76x8[] = { + FUNC("antenna", 3, 0, 4), + FUNC("pcm", 2, 0, 4), + FUNC("gpio", 1, 0, 4), + FUNC("i2s", 0, 0, 4), +}; + +static struct ralink_pmx_func spi_cs1_func_mt76x8[] = { + FUNC("-", 3, 6, 1), + FUNC("refclk", 2, 6, 1), + FUNC("gpio", 1, 6, 1), + FUNC("spi cs1", 0, 6, 1), +}; + +static struct ralink_pmx_func spis_func_mt76x8[] = { + FUNC("pwm_uart2", 3, 14, 4), + FUNC("utif", 2, 14, 4), + FUNC("gpio", 1, 14, 4), + FUNC("spis", 0, 14, 4), +}; + +static struct ralink_pmx_func gpio_func_mt76x8[] = { + FUNC("pcie", 3, 11, 1), + FUNC("refclk", 2, 11, 1), + FUNC("gpio", 1, 11, 1), + FUNC("gpio", 0, 11, 1), +}; + +static struct ralink_pmx_func p4led_kn_func_mt76x8[] = { + FUNC("jtag", 3, 30, 1), + FUNC("utif", 2, 30, 1), + FUNC("gpio", 1, 30, 1), + FUNC("p4led_kn", 0, 30, 1), +}; + +static struct ralink_pmx_func p3led_kn_func_mt76x8[] = { + FUNC("jtag", 3, 31, 1), + FUNC("utif", 2, 31, 1), + FUNC("gpio", 1, 31, 1), + FUNC("p3led_kn", 0, 31, 1), +}; + +static struct ralink_pmx_func p2led_kn_func_mt76x8[] = { + FUNC("jtag", 3, 32, 1), + FUNC("utif", 2, 32, 1), + FUNC("gpio", 1, 32, 1), + FUNC("p2led_kn", 0, 32, 1), +}; + +static struct ralink_pmx_func p1led_kn_func_mt76x8[] = { + FUNC("jtag", 3, 33, 1), + FUNC("utif", 2, 33, 1), + FUNC("gpio", 1, 33, 1), + FUNC("p1led_kn", 0, 33, 1), +}; + +static struct ralink_pmx_func p0led_kn_func_mt76x8[] = { + FUNC("jtag", 3, 34, 1), + FUNC("rsvd", 2, 34, 1), + FUNC("gpio", 1, 34, 1), + FUNC("p0led_kn", 0, 34, 1), +}; + +static struct ralink_pmx_func wled_kn_func_mt76x8[] = { + FUNC("rsvd", 3, 35, 1), + FUNC("rsvd", 2, 35, 1), + FUNC("gpio", 1, 35, 1), + FUNC("wled_kn", 0, 35, 1), +}; + +static struct ralink_pmx_func p4led_an_func_mt76x8[] = { + FUNC("jtag", 3, 39, 1), + FUNC("utif", 2, 39, 1), + FUNC("gpio", 1, 39, 1), + FUNC("p4led_an", 0, 39, 1), +}; + +static struct ralink_pmx_func p3led_an_func_mt76x8[] = { + FUNC("jtag", 3, 40, 1), + FUNC("utif", 2, 40, 1), + FUNC("gpio", 1, 40, 1), + FUNC("p3led_an", 0, 40, 1), +}; + +static struct ralink_pmx_func p2led_an_func_mt76x8[] = { + FUNC("jtag", 3, 41, 1), + FUNC("utif", 2, 41, 1), + FUNC("gpio", 1, 41, 1), + FUNC("p2led_an", 0, 41, 1), +}; + +static struct ralink_pmx_func p1led_an_func_mt76x8[] = { + FUNC("jtag", 3, 42, 1), + FUNC("utif", 2, 42, 1), + FUNC("gpio", 1, 42, 1), + FUNC("p1led_an", 0, 42, 1), +}; + +static struct ralink_pmx_func p0led_an_func_mt76x8[] = { + FUNC("jtag", 3, 43, 1), + FUNC("rsvd", 2, 43, 1), + FUNC("gpio", 1, 43, 1), + FUNC("p0led_an", 0, 43, 1), +}; + +static struct ralink_pmx_func wled_an_func_mt76x8[] = { + FUNC("rsvd", 3, 44, 1), + FUNC("rsvd", 2, 44, 1), + FUNC("gpio", 1, 44, 1), + FUNC("wled_an", 0, 44, 1), +}; + +#define MT76X8_GPIO_MODE_MASK 0x3 + +#define MT76X8_GPIO_MODE_P4LED_KN 58 +#define MT76X8_GPIO_MODE_P3LED_KN 56 +#define MT76X8_GPIO_MODE_P2LED_KN 54 +#define MT76X8_GPIO_MODE_P1LED_KN 52 +#define MT76X8_GPIO_MODE_P0LED_KN 50 +#define MT76X8_GPIO_MODE_WLED_KN 48 +#define MT76X8_GPIO_MODE_P4LED_AN 42 +#define MT76X8_GPIO_MODE_P3LED_AN 40 +#define MT76X8_GPIO_MODE_P2LED_AN 38 +#define MT76X8_GPIO_MODE_P1LED_AN 36 +#define MT76X8_GPIO_MODE_P0LED_AN 34 +#define MT76X8_GPIO_MODE_WLED_AN 32 +#define MT76X8_GPIO_MODE_PWM1 30 +#define MT76X8_GPIO_MODE_PWM0 28 +#define MT76X8_GPIO_MODE_UART2 26 +#define MT76X8_GPIO_MODE_UART1 24 +#define MT76X8_GPIO_MODE_I2C 20 +#define MT76X8_GPIO_MODE_REFCLK 18 +#define MT76X8_GPIO_MODE_PERST 16 +#define MT76X8_GPIO_MODE_WDT 14 +#define MT76X8_GPIO_MODE_SPI 12 +#define MT76X8_GPIO_MODE_SDMODE 10 +#define MT76X8_GPIO_MODE_UART0 8 +#define MT76X8_GPIO_MODE_I2S 6 +#define MT76X8_GPIO_MODE_CS1 4 +#define MT76X8_GPIO_MODE_SPIS 2 +#define MT76X8_GPIO_MODE_GPIO 0 + +static struct ralink_pmx_group mt76x8_pinmux_data[] = { + GRP_G("pwm1", pwm1_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_PWM1), + GRP_G("pwm0", pwm0_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_PWM0), + GRP_G("uart2", uart2_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_UART2), + GRP_G("uart1", uart1_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_UART1), + GRP_G("i2c", i2c_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_I2C), + GRP("refclk", refclk_func_mt76x8, 1, MT76X8_GPIO_MODE_REFCLK), + GRP("perst", perst_func_mt76x8, 1, MT76X8_GPIO_MODE_PERST), + GRP("wdt", wdt_func_mt76x8, 1, MT76X8_GPIO_MODE_WDT), + GRP("spi", spi_func_mt76x8, 1, MT76X8_GPIO_MODE_SPI), + GRP_G("sdmode", sd_mode_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_SDMODE), + GRP_G("uart0", uart0_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_UART0), + GRP_G("i2s", i2s_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_I2S), + GRP_G("spi cs1", spi_cs1_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_CS1), + GRP_G("spis", spis_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_SPIS), + GRP_G("gpio", gpio_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_GPIO), + GRP_G("wled_an", wled_an_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_WLED_AN), + GRP_G("p0led_an", p0led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P0LED_AN), + GRP_G("p1led_an", p1led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P1LED_AN), + GRP_G("p2led_an", p2led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P2LED_AN), + GRP_G("p3led_an", p3led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P3LED_AN), + GRP_G("p4led_an", p4led_an_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P4LED_AN), + GRP_G("wled_kn", wled_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_WLED_KN), + GRP_G("p0led_kn", p0led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P0LED_KN), + GRP_G("p1led_kn", p1led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P1LED_KN), + GRP_G("p2led_kn", p2led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P2LED_KN), + GRP_G("p3led_kn", p3led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P3LED_KN), + GRP_G("p4led_kn", p4led_kn_func_mt76x8, MT76X8_GPIO_MODE_MASK, + 1, MT76X8_GPIO_MODE_P4LED_KN), + { 0 } +}; + +static int mt7620_pinctrl_probe(struct platform_device *pdev) +{ + if (is_mt76x8()) + return ralink_pinctrl_init(pdev, mt76x8_pinmux_data); + else + return ralink_pinctrl_init(pdev, mt7620a_pinmux_data); +} + +static const struct of_device_id mt7620_pinctrl_match[] = { + { .compatible = "ralink,mt7620-pinctrl" }, + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, mt7620_pinctrl_match); + +static struct platform_driver mt7620_pinctrl_driver = { + .probe = mt7620_pinctrl_probe, + .driver = { + .name = "mt7620-pinctrl", + .of_match_table = mt7620_pinctrl_match, + }, +}; + +static int __init mt7620_pinctrl_init(void) +{ + return platform_driver_register(&mt7620_pinctrl_driver); +} +core_initcall_sync(mt7620_pinctrl_init); diff --git a/drivers/pinctrl/ralink/pinctrl-mt7621.c b/drivers/pinctrl/ralink/pinctrl-mt7621.c new file mode 100644 index 000000000..0297cf455 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-mt7621.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include "pinctrl-ralink.h" + +#define MT7621_GPIO_MODE_UART1 1 +#define MT7621_GPIO_MODE_I2C 2 +#define MT7621_GPIO_MODE_UART3_MASK 0x3 +#define MT7621_GPIO_MODE_UART3_SHIFT 3 +#define MT7621_GPIO_MODE_UART3_GPIO 1 +#define MT7621_GPIO_MODE_UART2_MASK 0x3 +#define MT7621_GPIO_MODE_UART2_SHIFT 5 +#define MT7621_GPIO_MODE_UART2_GPIO 1 +#define MT7621_GPIO_MODE_JTAG 7 +#define MT7621_GPIO_MODE_WDT_MASK 0x3 +#define MT7621_GPIO_MODE_WDT_SHIFT 8 +#define MT7621_GPIO_MODE_WDT_GPIO 1 +#define MT7621_GPIO_MODE_PCIE_RST 0 +#define MT7621_GPIO_MODE_PCIE_REF 2 +#define MT7621_GPIO_MODE_PCIE_MASK 0x3 +#define MT7621_GPIO_MODE_PCIE_SHIFT 10 +#define MT7621_GPIO_MODE_PCIE_GPIO 1 +#define MT7621_GPIO_MODE_MDIO_MASK 0x3 +#define MT7621_GPIO_MODE_MDIO_SHIFT 12 +#define MT7621_GPIO_MODE_MDIO_GPIO 1 +#define MT7621_GPIO_MODE_RGMII1 14 +#define MT7621_GPIO_MODE_RGMII2 15 +#define MT7621_GPIO_MODE_SPI_MASK 0x3 +#define MT7621_GPIO_MODE_SPI_SHIFT 16 +#define MT7621_GPIO_MODE_SPI_GPIO 1 +#define MT7621_GPIO_MODE_SDHCI_MASK 0x3 +#define MT7621_GPIO_MODE_SDHCI_SHIFT 18 +#define MT7621_GPIO_MODE_SDHCI_GPIO 1 + +static struct ralink_pmx_func uart1_func[] = { FUNC("uart1", 0, 1, 2) }; +static struct ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 3, 2) }; +static struct ralink_pmx_func uart3_func[] = { + FUNC("uart3", 0, 5, 4), + FUNC("i2s", 2, 5, 4), + FUNC("spdif3", 3, 5, 4), +}; +static struct ralink_pmx_func uart2_func[] = { + FUNC("uart2", 0, 9, 4), + FUNC("pcm", 2, 9, 4), + FUNC("spdif2", 3, 9, 4), +}; +static struct ralink_pmx_func jtag_func[] = { FUNC("jtag", 0, 13, 5) }; +static struct ralink_pmx_func wdt_func[] = { + FUNC("wdt rst", 0, 18, 1), + FUNC("wdt refclk", 2, 18, 1), +}; +static struct ralink_pmx_func pcie_rst_func[] = { + FUNC("pcie rst", MT7621_GPIO_MODE_PCIE_RST, 19, 1), + FUNC("pcie refclk", MT7621_GPIO_MODE_PCIE_REF, 19, 1) +}; +static struct ralink_pmx_func mdio_func[] = { FUNC("mdio", 0, 20, 2) }; +static struct ralink_pmx_func rgmii2_func[] = { FUNC("rgmii2", 0, 22, 12) }; +static struct ralink_pmx_func spi_func[] = { + FUNC("spi", 0, 34, 7), + FUNC("nand1", 2, 34, 7), +}; +static struct ralink_pmx_func sdhci_func[] = { + FUNC("sdhci", 0, 41, 8), + FUNC("nand2", 2, 41, 8), +}; +static struct ralink_pmx_func rgmii1_func[] = { FUNC("rgmii1", 0, 49, 12) }; + +static struct ralink_pmx_group mt7621_pinmux_data[] = { + GRP("uart1", uart1_func, 1, MT7621_GPIO_MODE_UART1), + GRP("i2c", i2c_func, 1, MT7621_GPIO_MODE_I2C), + GRP_G("uart3", uart3_func, MT7621_GPIO_MODE_UART3_MASK, + MT7621_GPIO_MODE_UART3_GPIO, MT7621_GPIO_MODE_UART3_SHIFT), + GRP_G("uart2", uart2_func, MT7621_GPIO_MODE_UART2_MASK, + MT7621_GPIO_MODE_UART2_GPIO, MT7621_GPIO_MODE_UART2_SHIFT), + GRP("jtag", jtag_func, 1, MT7621_GPIO_MODE_JTAG), + GRP_G("wdt", wdt_func, MT7621_GPIO_MODE_WDT_MASK, + MT7621_GPIO_MODE_WDT_GPIO, MT7621_GPIO_MODE_WDT_SHIFT), + GRP_G("pcie", pcie_rst_func, MT7621_GPIO_MODE_PCIE_MASK, + MT7621_GPIO_MODE_PCIE_GPIO, MT7621_GPIO_MODE_PCIE_SHIFT), + GRP_G("mdio", mdio_func, MT7621_GPIO_MODE_MDIO_MASK, + MT7621_GPIO_MODE_MDIO_GPIO, MT7621_GPIO_MODE_MDIO_SHIFT), + GRP("rgmii2", rgmii2_func, 1, MT7621_GPIO_MODE_RGMII2), + GRP_G("spi", spi_func, MT7621_GPIO_MODE_SPI_MASK, + MT7621_GPIO_MODE_SPI_GPIO, MT7621_GPIO_MODE_SPI_SHIFT), + GRP_G("sdhci", sdhci_func, MT7621_GPIO_MODE_SDHCI_MASK, + MT7621_GPIO_MODE_SDHCI_GPIO, MT7621_GPIO_MODE_SDHCI_SHIFT), + GRP("rgmii1", rgmii1_func, 1, MT7621_GPIO_MODE_RGMII1), + { 0 } +}; + +static int mt7621_pinctrl_probe(struct platform_device *pdev) +{ + return ralink_pinctrl_init(pdev, mt7621_pinmux_data); +} + +static const struct of_device_id mt7621_pinctrl_match[] = { + { .compatible = "ralink,mt7621-pinctrl" }, + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, mt7621_pinctrl_match); + +static struct platform_driver mt7621_pinctrl_driver = { + .probe = mt7621_pinctrl_probe, + .driver = { + .name = "mt7621-pinctrl", + .of_match_table = mt7621_pinctrl_match, + }, +}; + +static int __init mt7621_pinctrl_init(void) +{ + return platform_driver_register(&mt7621_pinctrl_driver); +} +core_initcall_sync(mt7621_pinctrl_init); diff --git a/drivers/pinctrl/ralink/pinctrl-ralink.c b/drivers/pinctrl/ralink/pinctrl-ralink.c new file mode 100644 index 000000000..770862f45 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-ralink.c @@ -0,0 +1,351 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2013 John Crispin + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "pinctrl-ralink.h" +#include "../core.h" +#include "../pinctrl-utils.h" + +#define SYSC_REG_GPIO_MODE 0x60 +#define SYSC_REG_GPIO_MODE2 0x64 + +struct ralink_priv { + struct device *dev; + + struct pinctrl_pin_desc *pads; + struct pinctrl_desc *desc; + + struct ralink_pmx_func **func; + int func_count; + + struct ralink_pmx_group *groups; + const char **group_names; + int group_count; + + u8 *gpio; + int max_pins; +}; + +static int ralink_get_group_count(struct pinctrl_dev *pctrldev) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + return p->group_count; +} + +static const char *ralink_get_group_name(struct pinctrl_dev *pctrldev, + unsigned int group) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + return (group >= p->group_count) ? NULL : p->group_names[group]; +} + +static int ralink_get_group_pins(struct pinctrl_dev *pctrldev, + unsigned int group, + const unsigned int **pins, + unsigned int *num_pins) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + if (group >= p->group_count) + return -EINVAL; + + *pins = p->groups[group].func[0].pins; + *num_pins = p->groups[group].func[0].pin_count; + + return 0; +} + +static const struct pinctrl_ops ralink_pctrl_ops = { + .get_groups_count = ralink_get_group_count, + .get_group_name = ralink_get_group_name, + .get_group_pins = ralink_get_group_pins, + .dt_node_to_map = pinconf_generic_dt_node_to_map_all, + .dt_free_map = pinconf_generic_dt_free_map, +}; + +static int ralink_pmx_func_count(struct pinctrl_dev *pctrldev) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + return p->func_count; +} + +static const char *ralink_pmx_func_name(struct pinctrl_dev *pctrldev, + unsigned int func) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + return p->func[func]->name; +} + +static int ralink_pmx_group_get_groups(struct pinctrl_dev *pctrldev, + unsigned int func, + const char * const **groups, + unsigned int * const num_groups) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + if (p->func[func]->group_count == 1) + *groups = &p->group_names[p->func[func]->groups[0]]; + else + *groups = p->group_names; + + *num_groups = p->func[func]->group_count; + + return 0; +} + +static int ralink_pmx_group_enable(struct pinctrl_dev *pctrldev, + unsigned int func, unsigned int group) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + u32 mode = 0; + u32 reg = SYSC_REG_GPIO_MODE; + int i; + int shift; + + /* dont allow double use */ + if (p->groups[group].enabled) { + dev_err(p->dev, "%s is already enabled\n", + p->groups[group].name); + return 0; + } + + p->groups[group].enabled = 1; + p->func[func]->enabled = 1; + + shift = p->groups[group].shift; + if (shift >= 32) { + shift -= 32; + reg = SYSC_REG_GPIO_MODE2; + } + mode = rt_sysc_r32(reg); + mode &= ~(p->groups[group].mask << shift); + + /* mark the pins as gpio */ + for (i = 0; i < p->groups[group].func[0].pin_count; i++) + p->gpio[p->groups[group].func[0].pins[i]] = 1; + + /* function 0 is gpio and needs special handling */ + if (func == 0) { + mode |= p->groups[group].gpio << shift; + } else { + for (i = 0; i < p->func[func]->pin_count; i++) + p->gpio[p->func[func]->pins[i]] = 0; + mode |= p->func[func]->value << shift; + } + rt_sysc_w32(mode, reg); + + return 0; +} + +static int ralink_pmx_group_gpio_request_enable(struct pinctrl_dev *pctrldev, + struct pinctrl_gpio_range *range, + unsigned int pin) +{ + struct ralink_priv *p = pinctrl_dev_get_drvdata(pctrldev); + + if (!p->gpio[pin]) { + dev_err(p->dev, "pin %d is not set to gpio mux\n", pin); + return -EINVAL; + } + + return 0; +} + +static const struct pinmux_ops ralink_pmx_group_ops = { + .get_functions_count = ralink_pmx_func_count, + .get_function_name = ralink_pmx_func_name, + .get_function_groups = ralink_pmx_group_get_groups, + .set_mux = ralink_pmx_group_enable, + .gpio_request_enable = ralink_pmx_group_gpio_request_enable, +}; + +static struct pinctrl_desc ralink_pctrl_desc = { + .owner = THIS_MODULE, + .name = "ralink-pinctrl", + .pctlops = &ralink_pctrl_ops, + .pmxops = &ralink_pmx_group_ops, +}; + +static struct ralink_pmx_func gpio_func = { + .name = "gpio", +}; + +static int ralink_pinctrl_index(struct ralink_priv *p) +{ + struct ralink_pmx_group *mux = p->groups; + int i, j, c = 0; + + /* count the mux functions */ + while (mux->name) { + p->group_count++; + mux++; + } + + /* allocate the group names array needed by the gpio function */ + p->group_names = devm_kcalloc(p->dev, p->group_count, + sizeof(char *), GFP_KERNEL); + if (!p->group_names) + return -ENOMEM; + + for (i = 0; i < p->group_count; i++) { + p->group_names[i] = p->groups[i].name; + p->func_count += p->groups[i].func_count; + } + + /* we have a dummy function[0] for gpio */ + p->func_count++; + + /* allocate our function and group mapping index buffers */ + p->func = devm_kcalloc(p->dev, p->func_count, + sizeof(*p->func), GFP_KERNEL); + gpio_func.groups = devm_kcalloc(p->dev, p->group_count, sizeof(int), + GFP_KERNEL); + if (!p->func || !gpio_func.groups) + return -ENOMEM; + + /* add a backpointer to the function so it knows its group */ + gpio_func.group_count = p->group_count; + for (i = 0; i < gpio_func.group_count; i++) + gpio_func.groups[i] = i; + + p->func[c] = &gpio_func; + c++; + + /* add remaining functions */ + for (i = 0; i < p->group_count; i++) { + for (j = 0; j < p->groups[i].func_count; j++) { + p->func[c] = &p->groups[i].func[j]; + p->func[c]->groups = devm_kzalloc(p->dev, sizeof(int), + GFP_KERNEL); + if (!p->func[c]->groups) + return -ENOMEM; + p->func[c]->groups[0] = i; + p->func[c]->group_count = 1; + c++; + } + } + return 0; +} + +static int ralink_pinctrl_pins(struct ralink_priv *p) +{ + int i, j; + + /* + * loop over the functions and initialize the pins array. + * also work out the highest pin used. + */ + for (i = 0; i < p->func_count; i++) { + int pin; + + if (!p->func[i]->pin_count) + continue; + + p->func[i]->pins = devm_kcalloc(p->dev, + p->func[i]->pin_count, + sizeof(int), + GFP_KERNEL); + if (!p->func[i]->pins) + return -ENOMEM; + for (j = 0; j < p->func[i]->pin_count; j++) + p->func[i]->pins[j] = p->func[i]->pin_first + j; + + pin = p->func[i]->pin_first + p->func[i]->pin_count; + if (pin > p->max_pins) + p->max_pins = pin; + } + + /* the buffer that tells us which pins are gpio */ + p->gpio = devm_kcalloc(p->dev, p->max_pins, sizeof(u8), GFP_KERNEL); + /* the pads needed to tell pinctrl about our pins */ + p->pads = devm_kcalloc(p->dev, p->max_pins, + sizeof(struct pinctrl_pin_desc), GFP_KERNEL); + if (!p->pads || !p->gpio) + return -ENOMEM; + + memset(p->gpio, 1, sizeof(u8) * p->max_pins); + for (i = 0; i < p->func_count; i++) { + if (!p->func[i]->pin_count) + continue; + + for (j = 0; j < p->func[i]->pin_count; j++) + p->gpio[p->func[i]->pins[j]] = 0; + } + + /* pin 0 is always a gpio */ + p->gpio[0] = 1; + + /* set the pads */ + for (i = 0; i < p->max_pins; i++) { + /* strlen("ioXY") + 1 = 5 */ + char *name = devm_kzalloc(p->dev, 5, GFP_KERNEL); + + if (!name) + return -ENOMEM; + snprintf(name, 5, "io%d", i); + p->pads[i].number = i; + p->pads[i].name = name; + } + p->desc->pins = p->pads; + p->desc->npins = p->max_pins; + + return 0; +} + +int ralink_pinctrl_init(struct platform_device *pdev, + struct ralink_pmx_group *data) +{ + struct ralink_priv *p; + struct pinctrl_dev *dev; + int err; + + if (!data) + return -ENOTSUPP; + + /* setup the private data */ + p = devm_kzalloc(&pdev->dev, sizeof(struct ralink_priv), GFP_KERNEL); + if (!p) + return -ENOMEM; + + p->dev = &pdev->dev; + p->desc = &ralink_pctrl_desc; + p->groups = data; + platform_set_drvdata(pdev, p); + + /* init the device */ + err = ralink_pinctrl_index(p); + if (err) { + dev_err(&pdev->dev, "failed to load index\n"); + return err; + } + + err = ralink_pinctrl_pins(p); + if (err) { + dev_err(&pdev->dev, "failed to load pins\n"); + return err; + } + dev = pinctrl_register(p->desc, &pdev->dev, p); + + return PTR_ERR_OR_ZERO(dev); +} diff --git a/drivers/pinctrl/ralink/pinctrl-ralink.h b/drivers/pinctrl/ralink/pinctrl-ralink.h new file mode 100644 index 000000000..e6037be1e --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-ralink.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2012 John Crispin + */ + +#ifndef _PINCTRL_RALINK_H__ +#define _PINCTRL_RALINK_H__ + +#define FUNC(name, value, pin_first, pin_count) \ + { name, value, pin_first, pin_count } + +#define GRP(_name, _func, _mask, _shift) \ + { .name = _name, .mask = _mask, .shift = _shift, \ + .func = _func, .gpio = _mask, \ + .func_count = ARRAY_SIZE(_func) } + +#define GRP_G(_name, _func, _mask, _gpio, _shift) \ + { .name = _name, .mask = _mask, .shift = _shift, \ + .func = _func, .gpio = _gpio, \ + .func_count = ARRAY_SIZE(_func) } + +struct ralink_pmx_group; + +struct ralink_pmx_func { + const char *name; + const char value; + + int pin_first; + int pin_count; + int *pins; + + int *groups; + int group_count; + + int enabled; +}; + +struct ralink_pmx_group { + const char *name; + int enabled; + + const u32 shift; + const char mask; + const char gpio; + + struct ralink_pmx_func *func; + int func_count; +}; + +int ralink_pinctrl_init(struct platform_device *pdev, + struct ralink_pmx_group *data); + +#endif diff --git a/drivers/pinctrl/ralink/pinctrl-rt2880.c b/drivers/pinctrl/ralink/pinctrl-rt2880.c new file mode 100644 index 000000000..fd9af7c2f --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-rt2880.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include "pinctrl-ralink.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 ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; +static struct ralink_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; +static struct ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 7, 8) }; +static struct ralink_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; +static struct ralink_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; +static struct ralink_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; +static struct ralink_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) }; + +static struct ralink_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 rt2880_pinctrl_probe(struct platform_device *pdev) +{ + return ralink_pinctrl_init(pdev, rt2880_pinmux_data_act); +} + +static const struct of_device_id rt2880_pinctrl_match[] = { + { .compatible = "ralink,rt2880-pinctrl" }, + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, rt2880_pinctrl_match); + +static struct platform_driver rt2880_pinctrl_driver = { + .probe = rt2880_pinctrl_probe, + .driver = { + .name = "rt2880-pinctrl", + .of_match_table = rt2880_pinctrl_match, + }, +}; + +static int __init rt2880_pinctrl_init(void) +{ + return platform_driver_register(&rt2880_pinctrl_driver); +} +core_initcall_sync(rt2880_pinctrl_init); diff --git a/drivers/pinctrl/ralink/pinctrl-rt305x.c b/drivers/pinctrl/ralink/pinctrl-rt305x.c new file mode 100644 index 000000000..13a012a65 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-rt305x.c @@ -0,0 +1,138 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include +#include "pinctrl-ralink.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 ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; +static struct ralink_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; +static struct ralink_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 ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; +static struct ralink_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; +static struct ralink_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; +static struct ralink_pmx_func rt5350_led_func[] = { FUNC("led", 0, 22, 5) }; +static struct ralink_pmx_func rt5350_cs1_func[] = { + FUNC("spi_cs1", 0, 27, 1), + FUNC("wdg_cs1", 1, 27, 1), +}; +static struct ralink_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; +static struct ralink_pmx_func rt3352_rgmii_func[] = { + FUNC("rgmii", 0, 24, 12) +}; +static struct ralink_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) }; +static struct ralink_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) }; +static struct ralink_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) }; +static struct ralink_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) }; +static struct ralink_pmx_func rt3352_cs1_func[] = { + FUNC("spi_cs1", 0, 45, 1), + FUNC("wdg_cs1", 1, 45, 1), +}; + +static struct ralink_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 ralink_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 ralink_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_pinctrl_probe(struct platform_device *pdev) +{ + if (soc_is_rt5350()) + return ralink_pinctrl_init(pdev, rt5350_pinmux_data); + else if (soc_is_rt305x() || soc_is_rt3350()) + return ralink_pinctrl_init(pdev, rt3050_pinmux_data); + else if (soc_is_rt3352()) + return ralink_pinctrl_init(pdev, rt3352_pinmux_data); + else + return -EINVAL; +} + +static const struct of_device_id rt305x_pinctrl_match[] = { + { .compatible = "ralink,rt305x-pinctrl" }, + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, rt305x_pinctrl_match); + +static struct platform_driver rt305x_pinctrl_driver = { + .probe = rt305x_pinctrl_probe, + .driver = { + .name = "rt305x-pinctrl", + .of_match_table = rt305x_pinctrl_match, + }, +}; + +static int __init rt305x_pinctrl_init(void) +{ + return platform_driver_register(&rt305x_pinctrl_driver); +} +core_initcall_sync(rt305x_pinctrl_init); diff --git a/drivers/pinctrl/ralink/pinctrl-rt3883.c b/drivers/pinctrl/ralink/pinctrl-rt3883.c new file mode 100644 index 000000000..b26376401 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-rt3883.c @@ -0,0 +1,108 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include "pinctrl-ralink.h" + +#define RT3883_GPIO_MODE_UART0_SHIFT 2 +#define RT3883_GPIO_MODE_UART0_MASK 0x7 +#define RT3883_GPIO_MODE_UART0(x) ((x) << RT3883_GPIO_MODE_UART0_SHIFT) +#define RT3883_GPIO_MODE_UARTF 0x0 +#define RT3883_GPIO_MODE_PCM_UARTF 0x1 +#define RT3883_GPIO_MODE_PCM_I2S 0x2 +#define RT3883_GPIO_MODE_I2S_UARTF 0x3 +#define RT3883_GPIO_MODE_PCM_GPIO 0x4 +#define RT3883_GPIO_MODE_GPIO_UARTF 0x5 +#define RT3883_GPIO_MODE_GPIO_I2S 0x6 +#define RT3883_GPIO_MODE_GPIO 0x7 + +#define RT3883_GPIO_MODE_I2C 0 +#define RT3883_GPIO_MODE_SPI 1 +#define RT3883_GPIO_MODE_UART1 5 +#define RT3883_GPIO_MODE_JTAG 6 +#define RT3883_GPIO_MODE_MDIO 7 +#define RT3883_GPIO_MODE_GE1 9 +#define RT3883_GPIO_MODE_GE2 10 + +#define RT3883_GPIO_MODE_PCI_SHIFT 11 +#define RT3883_GPIO_MODE_PCI_MASK 0x7 +#define RT3883_GPIO_MODE_PCI (RT3883_GPIO_MODE_PCI_MASK << RT3883_GPIO_MODE_PCI_SHIFT) +#define RT3883_GPIO_MODE_LNA_A_SHIFT 16 +#define RT3883_GPIO_MODE_LNA_A_MASK 0x3 +#define _RT3883_GPIO_MODE_LNA_A(_x) ((_x) << RT3883_GPIO_MODE_LNA_A_SHIFT) +#define RT3883_GPIO_MODE_LNA_A_GPIO 0x3 +#define RT3883_GPIO_MODE_LNA_A _RT3883_GPIO_MODE_LNA_A(RT3883_GPIO_MODE_LNA_A_MASK) +#define RT3883_GPIO_MODE_LNA_G_SHIFT 18 +#define RT3883_GPIO_MODE_LNA_G_MASK 0x3 +#define _RT3883_GPIO_MODE_LNA_G(_x) ((_x) << RT3883_GPIO_MODE_LNA_G_SHIFT) +#define RT3883_GPIO_MODE_LNA_G_GPIO 0x3 +#define RT3883_GPIO_MODE_LNA_G _RT3883_GPIO_MODE_LNA_G(RT3883_GPIO_MODE_LNA_G_MASK) + +static struct ralink_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; +static struct ralink_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; +static struct ralink_pmx_func uartf_func[] = { + FUNC("uartf", RT3883_GPIO_MODE_UARTF, 7, 8), + FUNC("pcm uartf", RT3883_GPIO_MODE_PCM_UARTF, 7, 8), + FUNC("pcm i2s", RT3883_GPIO_MODE_PCM_I2S, 7, 8), + FUNC("i2s uartf", RT3883_GPIO_MODE_I2S_UARTF, 7, 8), + FUNC("pcm gpio", RT3883_GPIO_MODE_PCM_GPIO, 11, 4), + FUNC("gpio uartf", RT3883_GPIO_MODE_GPIO_UARTF, 7, 4), + FUNC("gpio i2s", RT3883_GPIO_MODE_GPIO_I2S, 7, 4), +}; +static struct ralink_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; +static struct ralink_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; +static struct ralink_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; +static struct ralink_pmx_func lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; +static struct ralink_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) }; +static struct ralink_pmx_func pci_func[] = { + FUNC("pci-dev", 0, 40, 32), + FUNC("pci-host2", 1, 40, 32), + FUNC("pci-host1", 2, 40, 32), + FUNC("pci-fnc", 3, 40, 32) +}; +static struct ralink_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; +static struct ralink_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) }; + +static struct ralink_pmx_group rt3883_pinmux_data[] = { + GRP("i2c", i2c_func, 1, RT3883_GPIO_MODE_I2C), + GRP("spi", spi_func, 1, RT3883_GPIO_MODE_SPI), + GRP("uartf", uartf_func, RT3883_GPIO_MODE_UART0_MASK, + RT3883_GPIO_MODE_UART0_SHIFT), + GRP("uartlite", uartlite_func, 1, RT3883_GPIO_MODE_UART1), + GRP("jtag", jtag_func, 1, RT3883_GPIO_MODE_JTAG), + GRP("mdio", mdio_func, 1, RT3883_GPIO_MODE_MDIO), + GRP("lna a", lna_a_func, 1, RT3883_GPIO_MODE_LNA_A), + GRP("lna g", lna_g_func, 1, RT3883_GPIO_MODE_LNA_G), + GRP("pci", pci_func, RT3883_GPIO_MODE_PCI_MASK, + RT3883_GPIO_MODE_PCI_SHIFT), + GRP("ge1", ge1_func, 1, RT3883_GPIO_MODE_GE1), + GRP("ge2", ge2_func, 1, RT3883_GPIO_MODE_GE2), + { 0 } +}; + +static int rt3883_pinctrl_probe(struct platform_device *pdev) +{ + return ralink_pinctrl_init(pdev, rt3883_pinmux_data); +} + +static const struct of_device_id rt3883_pinctrl_match[] = { + { .compatible = "ralink,rt3883-pinctrl" }, + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, rt3883_pinctrl_match); + +static struct platform_driver rt3883_pinctrl_driver = { + .probe = rt3883_pinctrl_probe, + .driver = { + .name = "rt3883-pinctrl", + .of_match_table = rt3883_pinctrl_match, + }, +}; + +static int __init rt3883_pinctrl_init(void) +{ + return platform_driver_register(&rt3883_pinctrl_driver); +} +core_initcall_sync(rt3883_pinctrl_init); -- cgit v1.2.3