Move all related code for SoC MT7620 into a new driver located in 'pinctrl-mt7620.c' source file. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx> --- arch/mips/include/asm/mach-ralink/mt7620.h | 53 +- arch/mips/ralink/mt7620.c | 320 ------------ drivers/pinctrl/ralink/Kconfig | 5 + drivers/pinctrl/ralink/Makefile | 1 + .../pinctrl/ralink/pinctrl-mt7620.c | 472 +++--------------- 5 files changed, 85 insertions(+), 766 deletions(-) copy arch/mips/ralink/mt7620.c => drivers/pinctrl/ralink/pinctrl-mt7620.c (51%) diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h index 757ce53d00e6..d51dfad8f543 100644 --- a/arch/mips/include/asm/mach-ralink/mt7620.h +++ b/arch/mips/include/asm/mach-ralink/mt7620.h @@ -83,52 +83,13 @@ #define MT7620_DDR2_SIZE_MIN 32 #define MT7620_DDR2_SIZE_MAX 256 -#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 +extern enum ralink_soc_type ralink_soc; + +static inline int is_mt76x8(void) +{ + return ralink_soc == MT762X_SOC_MT7628AN || + ralink_soc == MT762X_SOC_MT7688; +} static inline int mt7620_get_eco(void) { diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c index 53a5969e61af..ae1fa0391c88 100644 --- a/arch/mips/ralink/mt7620.c +++ b/arch/mips/ralink/mt7620.c @@ -15,7 +15,6 @@ #include <asm/mipsregs.h> #include <asm/mach-ralink/ralink_regs.h> #include <asm/mach-ralink/mt7620.h> -#include <asm/mach-ralink/pinmux.h> #include "common.h" @@ -50,320 +49,6 @@ /* does the board have sdram or ddram */ static int dram_type; -static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) }; -static struct rt2880_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) }; -static struct rt2880_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 15, 2) }; -static struct rt2880_pmx_func mdio_grp[] = { - FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2), - FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2), -}; -static struct rt2880_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 24, 12) }; -static struct rt2880_pmx_func refclk_grp[] = { FUNC("spi refclk", 0, 37, 3) }; -static struct rt2880_pmx_func ephy_grp[] = { FUNC("ephy", 0, 40, 5) }; -static struct rt2880_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 60, 12) }; -static struct rt2880_pmx_func wled_grp[] = { FUNC("wled", 0, 72, 1) }; -static struct rt2880_pmx_func pa_grp[] = { FUNC("pa", 0, 18, 4) }; -static struct rt2880_pmx_func uartf_grp[] = { - 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 rt2880_pmx_func wdt_grp[] = { - FUNC("wdt rst", 0, 17, 1), - FUNC("wdt refclk", 0, 17, 1), - }; -static struct rt2880_pmx_func pcie_rst_grp[] = { - FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1), - FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1) -}; -static struct rt2880_pmx_func nd_sd_grp[] = { - FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15), - FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13) -}; - -static struct rt2880_pmx_group mt7620a_pinmux_data[] = { - GRP("i2c", i2c_grp, 1, MT7620_GPIO_MODE_I2C), - GRP("uartf", uartf_grp, MT7620_GPIO_MODE_UART0_MASK, - MT7620_GPIO_MODE_UART0_SHIFT), - GRP("spi", spi_grp, 1, MT7620_GPIO_MODE_SPI), - GRP("uartlite", uartlite_grp, 1, MT7620_GPIO_MODE_UART1), - GRP_G("wdt", wdt_grp, MT7620_GPIO_MODE_WDT_MASK, - MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT), - GRP_G("mdio", mdio_grp, MT7620_GPIO_MODE_MDIO_MASK, - MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT), - GRP("rgmii1", rgmii1_grp, 1, MT7620_GPIO_MODE_RGMII1), - GRP("spi refclk", refclk_grp, 1, MT7620_GPIO_MODE_SPI_REF_CLK), - GRP_G("pcie", pcie_rst_grp, MT7620_GPIO_MODE_PCIE_MASK, - MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT), - GRP_G("nd_sd", nd_sd_grp, MT7620_GPIO_MODE_ND_SD_MASK, - MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT), - GRP("rgmii2", rgmii2_grp, 1, MT7620_GPIO_MODE_RGMII2), - GRP("wled", wled_grp, 1, MT7620_GPIO_MODE_WLED), - GRP("ephy", ephy_grp, 1, MT7620_GPIO_MODE_EPHY), - GRP("pa", pa_grp, 1, MT7620_GPIO_MODE_PA), - { 0 } -}; - -static struct rt2880_pmx_func pwm1_grp_mt7628[] = { - FUNC("sdxc d6", 3, 19, 1), - FUNC("utif", 2, 19, 1), - FUNC("gpio", 1, 19, 1), - FUNC("pwm1", 0, 19, 1), -}; - -static struct rt2880_pmx_func pwm0_grp_mt7628[] = { - FUNC("sdxc d7", 3, 18, 1), - FUNC("utif", 2, 18, 1), - FUNC("gpio", 1, 18, 1), - FUNC("pwm0", 0, 18, 1), -}; - -static struct rt2880_pmx_func uart2_grp_mt7628[] = { - FUNC("sdxc d5 d4", 3, 20, 2), - FUNC("pwm", 2, 20, 2), - FUNC("gpio", 1, 20, 2), - FUNC("uart2", 0, 20, 2), -}; - -static struct rt2880_pmx_func uart1_grp_mt7628[] = { - FUNC("sw_r", 3, 45, 2), - FUNC("pwm", 2, 45, 2), - FUNC("gpio", 1, 45, 2), - FUNC("uart1", 0, 45, 2), -}; - -static struct rt2880_pmx_func i2c_grp_mt7628[] = { - FUNC("-", 3, 4, 2), - FUNC("debug", 2, 4, 2), - FUNC("gpio", 1, 4, 2), - FUNC("i2c", 0, 4, 2), -}; - -static struct rt2880_pmx_func refclk_grp_mt7628[] = { FUNC("refclk", 0, 37, 1) }; -static struct rt2880_pmx_func perst_grp_mt7628[] = { FUNC("perst", 0, 36, 1) }; -static struct rt2880_pmx_func wdt_grp_mt7628[] = { FUNC("wdt", 0, 38, 1) }; -static struct rt2880_pmx_func spi_grp_mt7628[] = { FUNC("spi", 0, 7, 4) }; - -static struct rt2880_pmx_func sd_mode_grp_mt7628[] = { - FUNC("jtag", 3, 22, 8), - FUNC("utif", 2, 22, 8), - FUNC("gpio", 1, 22, 8), - FUNC("sdxc", 0, 22, 8), -}; - -static struct rt2880_pmx_func uart0_grp_mt7628[] = { - FUNC("-", 3, 12, 2), - FUNC("-", 2, 12, 2), - FUNC("gpio", 1, 12, 2), - FUNC("uart0", 0, 12, 2), -}; - -static struct rt2880_pmx_func i2s_grp_mt7628[] = { - FUNC("antenna", 3, 0, 4), - FUNC("pcm", 2, 0, 4), - FUNC("gpio", 1, 0, 4), - FUNC("i2s", 0, 0, 4), -}; - -static struct rt2880_pmx_func spi_cs1_grp_mt7628[] = { - FUNC("-", 3, 6, 1), - FUNC("refclk", 2, 6, 1), - FUNC("gpio", 1, 6, 1), - FUNC("spi cs1", 0, 6, 1), -}; - -static struct rt2880_pmx_func spis_grp_mt7628[] = { - FUNC("pwm_uart2", 3, 14, 4), - FUNC("utif", 2, 14, 4), - FUNC("gpio", 1, 14, 4), - FUNC("spis", 0, 14, 4), -}; - -static struct rt2880_pmx_func gpio_grp_mt7628[] = { - FUNC("pcie", 3, 11, 1), - FUNC("refclk", 2, 11, 1), - FUNC("gpio", 1, 11, 1), - FUNC("gpio", 0, 11, 1), -}; - -static struct rt2880_pmx_func p4led_kn_grp_mt7628[] = { - FUNC("jtag", 3, 30, 1), - FUNC("utif", 2, 30, 1), - FUNC("gpio", 1, 30, 1), - FUNC("p4led_kn", 0, 30, 1), -}; - -static struct rt2880_pmx_func p3led_kn_grp_mt7628[] = { - FUNC("jtag", 3, 31, 1), - FUNC("utif", 2, 31, 1), - FUNC("gpio", 1, 31, 1), - FUNC("p3led_kn", 0, 31, 1), -}; - -static struct rt2880_pmx_func p2led_kn_grp_mt7628[] = { - FUNC("jtag", 3, 32, 1), - FUNC("utif", 2, 32, 1), - FUNC("gpio", 1, 32, 1), - FUNC("p2led_kn", 0, 32, 1), -}; - -static struct rt2880_pmx_func p1led_kn_grp_mt7628[] = { - FUNC("jtag", 3, 33, 1), - FUNC("utif", 2, 33, 1), - FUNC("gpio", 1, 33, 1), - FUNC("p1led_kn", 0, 33, 1), -}; - -static struct rt2880_pmx_func p0led_kn_grp_mt7628[] = { - FUNC("jtag", 3, 34, 1), - FUNC("rsvd", 2, 34, 1), - FUNC("gpio", 1, 34, 1), - FUNC("p0led_kn", 0, 34, 1), -}; - -static struct rt2880_pmx_func wled_kn_grp_mt7628[] = { - FUNC("rsvd", 3, 35, 1), - FUNC("rsvd", 2, 35, 1), - FUNC("gpio", 1, 35, 1), - FUNC("wled_kn", 0, 35, 1), -}; - -static struct rt2880_pmx_func p4led_an_grp_mt7628[] = { - FUNC("jtag", 3, 39, 1), - FUNC("utif", 2, 39, 1), - FUNC("gpio", 1, 39, 1), - FUNC("p4led_an", 0, 39, 1), -}; - -static struct rt2880_pmx_func p3led_an_grp_mt7628[] = { - FUNC("jtag", 3, 40, 1), - FUNC("utif", 2, 40, 1), - FUNC("gpio", 1, 40, 1), - FUNC("p3led_an", 0, 40, 1), -}; - -static struct rt2880_pmx_func p2led_an_grp_mt7628[] = { - FUNC("jtag", 3, 41, 1), - FUNC("utif", 2, 41, 1), - FUNC("gpio", 1, 41, 1), - FUNC("p2led_an", 0, 41, 1), -}; - -static struct rt2880_pmx_func p1led_an_grp_mt7628[] = { - FUNC("jtag", 3, 42, 1), - FUNC("utif", 2, 42, 1), - FUNC("gpio", 1, 42, 1), - FUNC("p1led_an", 0, 42, 1), -}; - -static struct rt2880_pmx_func p0led_an_grp_mt7628[] = { - FUNC("jtag", 3, 43, 1), - FUNC("rsvd", 2, 43, 1), - FUNC("gpio", 1, 43, 1), - FUNC("p0led_an", 0, 43, 1), -}; - -static struct rt2880_pmx_func wled_an_grp_mt7628[] = { - FUNC("rsvd", 3, 44, 1), - FUNC("rsvd", 2, 44, 1), - FUNC("gpio", 1, 44, 1), - FUNC("wled_an", 0, 44, 1), -}; - -#define MT7628_GPIO_MODE_MASK 0x3 - -#define MT7628_GPIO_MODE_P4LED_KN 58 -#define MT7628_GPIO_MODE_P3LED_KN 56 -#define MT7628_GPIO_MODE_P2LED_KN 54 -#define MT7628_GPIO_MODE_P1LED_KN 52 -#define MT7628_GPIO_MODE_P0LED_KN 50 -#define MT7628_GPIO_MODE_WLED_KN 48 -#define MT7628_GPIO_MODE_P4LED_AN 42 -#define MT7628_GPIO_MODE_P3LED_AN 40 -#define MT7628_GPIO_MODE_P2LED_AN 38 -#define MT7628_GPIO_MODE_P1LED_AN 36 -#define MT7628_GPIO_MODE_P0LED_AN 34 -#define MT7628_GPIO_MODE_WLED_AN 32 -#define MT7628_GPIO_MODE_PWM1 30 -#define MT7628_GPIO_MODE_PWM0 28 -#define MT7628_GPIO_MODE_UART2 26 -#define MT7628_GPIO_MODE_UART1 24 -#define MT7628_GPIO_MODE_I2C 20 -#define MT7628_GPIO_MODE_REFCLK 18 -#define MT7628_GPIO_MODE_PERST 16 -#define MT7628_GPIO_MODE_WDT 14 -#define MT7628_GPIO_MODE_SPI 12 -#define MT7628_GPIO_MODE_SDMODE 10 -#define MT7628_GPIO_MODE_UART0 8 -#define MT7628_GPIO_MODE_I2S 6 -#define MT7628_GPIO_MODE_CS1 4 -#define MT7628_GPIO_MODE_SPIS 2 -#define MT7628_GPIO_MODE_GPIO 0 - -static struct rt2880_pmx_group mt7628an_pinmux_data[] = { - GRP_G("pwm1", pwm1_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_PWM1), - GRP_G("pwm0", pwm0_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_PWM0), - GRP_G("uart2", uart2_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_UART2), - GRP_G("uart1", uart1_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_UART1), - GRP_G("i2c", i2c_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_I2C), - GRP("refclk", refclk_grp_mt7628, 1, MT7628_GPIO_MODE_REFCLK), - GRP("perst", perst_grp_mt7628, 1, MT7628_GPIO_MODE_PERST), - GRP("wdt", wdt_grp_mt7628, 1, MT7628_GPIO_MODE_WDT), - GRP("spi", spi_grp_mt7628, 1, MT7628_GPIO_MODE_SPI), - GRP_G("sdmode", sd_mode_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_SDMODE), - GRP_G("uart0", uart0_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_UART0), - GRP_G("i2s", i2s_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_I2S), - GRP_G("spi cs1", spi_cs1_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_CS1), - GRP_G("spis", spis_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_SPIS), - GRP_G("gpio", gpio_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_GPIO), - GRP_G("wled_an", wled_an_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_WLED_AN), - GRP_G("p0led_an", p0led_an_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P0LED_AN), - GRP_G("p1led_an", p1led_an_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P1LED_AN), - GRP_G("p2led_an", p2led_an_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P2LED_AN), - GRP_G("p3led_an", p3led_an_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P3LED_AN), - GRP_G("p4led_an", p4led_an_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P4LED_AN), - GRP_G("wled_kn", wled_kn_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_WLED_KN), - GRP_G("p0led_kn", p0led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P0LED_KN), - GRP_G("p1led_kn", p1led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P1LED_KN), - GRP_G("p2led_kn", p2led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P2LED_KN), - GRP_G("p3led_kn", p3led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P3LED_KN), - GRP_G("p4led_kn", p4led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK, - 1, MT7628_GPIO_MODE_P4LED_KN), - { 0 } -}; - -static inline int is_mt76x8(void) -{ - return ralink_soc == MT762X_SOC_MT7628AN || - ralink_soc == MT762X_SOC_MT7688; -} - static __init u32 mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div) { @@ -710,9 +395,4 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info) (pmu0 & PMU_SW_SET) ? ("sw") : ("hw")); pr_info("Digital PMU set to %s control\n", (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw")); - - if (is_mt76x8()) - rt2880_pinmux_data = mt7628an_pinmux_data; - else - rt2880_pinmux_data = mt7620a_pinmux_data; } diff --git a/drivers/pinctrl/ralink/Kconfig b/drivers/pinctrl/ralink/Kconfig index 705a63d34d3c..6edf0589cf0a 100644 --- a/drivers/pinctrl/ralink/Kconfig +++ b/drivers/pinctrl/ralink/Kconfig @@ -11,6 +11,11 @@ config PINCTRL_RT2880 select PINMUX select GENERIC_PINCONF +config PINCTRL_MT7620 + bool "mt7620 pinctrl driver for RALINK/Mediatek SOCs" + depends on RALINK && SOC_MT7620 + select PINCTRL_RT2880 + config PINCTRL_MT7621 bool "mt7621 pinctrl driver for RALINK/Mediatek SOCs" depends on RALINK && SOC_MT7621 diff --git a/drivers/pinctrl/ralink/Makefile b/drivers/pinctrl/ralink/Makefile index 119d30ecea98..9b99b20e51e6 100644 --- a/drivers/pinctrl/ralink/Makefile +++ b/drivers/pinctrl/ralink/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_RT2880) += pinctrl-rt2880.o +obj-$(CONFIG_PINCTRL_MT7620) += pinctrl-mt7620.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/arch/mips/ralink/mt7620.c b/drivers/pinctrl/ralink/pinctrl-mt7620.c similarity index 51% copy from arch/mips/ralink/mt7620.c copy to drivers/pinctrl/ralink/pinctrl-mt7620.c index 53a5969e61af..425d55a2ee19 100644 --- a/arch/mips/ralink/mt7620.c +++ b/drivers/pinctrl/ralink/pinctrl-mt7620.c @@ -1,54 +1,57 @@ // SPDX-License-Identifier: GPL-2.0-only -/* - * - * Parts of this file are based on Ralink's 2.6.21 BSP - * - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@xxxxxxxxxxx> - * Copyright (C) 2008 Imre Kaloz <kaloz@xxxxxxxxxxx> - * Copyright (C) 2013 John Crispin <john@xxxxxxxxxxx> - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/bug.h> - -#include <asm/mipsregs.h> -#include <asm/mach-ralink/ralink_regs.h> -#include <asm/mach-ralink/mt7620.h> -#include <asm/mach-ralink/pinmux.h> - -#include "common.h" - -/* analog */ -#define PMU0_CFG 0x88 -#define PMU_SW_SET BIT(28) -#define A_DCDC_EN BIT(24) -#define A_SSC_PERI BIT(19) -#define A_SSC_GEN BIT(18) -#define A_SSC_M 0x3 -#define A_SSC_S 16 -#define A_DLY_M 0x7 -#define A_DLY_S 8 -#define A_VTUNE_M 0xff - -/* digital */ -#define PMU1_CFG 0x8C -#define DIG_SW_SEL BIT(25) - -/* clock scaling */ -#define CLKCFG_FDIV_MASK 0x1f00 -#define CLKCFG_FDIV_USB_VAL 0x0300 -#define CLKCFG_FFRAC_MASK 0x001f -#define CLKCFG_FFRAC_USB_VAL 0x0003 - -/* EFUSE bits */ -#define EFUSE_MT7688 0x100000 -/* DRAM type bit */ -#define DRAM_TYPE_MT7628_MASK 0x1 - -/* does the board have sdram or ddram */ -static int dram_type; +#include <asm/mach-ralink/mt7620.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include "pinmux.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 rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) }; static struct rt2880_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) }; @@ -358,361 +361,30 @@ static struct rt2880_pmx_group mt7628an_pinmux_data[] = { { 0 } }; -static inline int is_mt76x8(void) -{ - return ralink_soc == MT762X_SOC_MT7628AN || - ralink_soc == MT762X_SOC_MT7688; -} - -static __init u32 -mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div) +static int mt7620_pinmux_probe(struct platform_device *pdev) { - u64 t; - - t = ref_rate; - t *= mul; - do_div(t, div); - - return t; -} - -#define MHZ(x) ((x) * 1000 * 1000) - -static __init unsigned long -mt7620_get_xtal_rate(void) -{ - u32 reg; - - reg = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0); - if (reg & SYSCFG0_XTAL_FREQ_SEL) - return MHZ(40); - - return MHZ(20); -} - -static __init unsigned long -mt7620_get_periph_rate(unsigned long xtal_rate) -{ - u32 reg; - - reg = rt_sysc_r32(SYSC_REG_CLKCFG0); - if (reg & CLKCFG0_PERI_CLK_SEL) - return xtal_rate; - - return MHZ(40); -} - -static const u32 mt7620_clk_divider[] __initconst = { 2, 3, 4, 8 }; - -static __init unsigned long -mt7620_get_cpu_pll_rate(unsigned long xtal_rate) -{ - u32 reg; - u32 mul; - u32 div; - - reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0); - if (reg & CPLL_CFG0_BYPASS_REF_CLK) - return xtal_rate; - - if ((reg & CPLL_CFG0_SW_CFG) == 0) - return MHZ(600); - - mul = (reg >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) & - CPLL_CFG0_PLL_MULT_RATIO_MASK; - mul += 24; - if (reg & CPLL_CFG0_LC_CURFCK) - mul *= 2; - - div = (reg >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) & - CPLL_CFG0_PLL_DIV_RATIO_MASK; - - WARN_ON(div >= ARRAY_SIZE(mt7620_clk_divider)); - - return mt7620_calc_rate(xtal_rate, mul, mt7620_clk_divider[div]); -} - -static __init unsigned long -mt7620_get_pll_rate(unsigned long xtal_rate, unsigned long cpu_pll_rate) -{ - u32 reg; - - reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1); - if (reg & CPLL_CFG1_CPU_AUX1) - return xtal_rate; - - if (reg & CPLL_CFG1_CPU_AUX0) - return MHZ(480); - - return cpu_pll_rate; -} - -static __init unsigned long -mt7620_get_cpu_rate(unsigned long pll_rate) -{ - u32 reg; - u32 mul; - u32 div; - - reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); - - mul = reg & CPU_SYS_CLKCFG_CPU_FFRAC_MASK; - div = (reg >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) & - CPU_SYS_CLKCFG_CPU_FDIV_MASK; - - return mt7620_calc_rate(pll_rate, mul, div); + if (is_mt76x8()) + return rt2880_pinmux_init(pdev, mt7628an_pinmux_data); + else + return rt2880_pinmux_init(pdev, mt7620a_pinmux_data); } -static const u32 mt7620_ocp_dividers[16] __initconst = { - [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2, - [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3, - [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4, - [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5, - [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10, +static const struct of_device_id mt7620_pinmux_match[] = { + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, mt7620_pinmux_match); + +static struct platform_driver mt7620_pinmux_driver = { + .probe = mt7620_pinmux_probe, + .driver = { + .name = "rt2880-pinmux", + .of_match_table = mt7620_pinmux_match, + }, }; -static __init unsigned long -mt7620_get_dram_rate(unsigned long pll_rate) -{ - if (dram_type == SYSCFG0_DRAM_TYPE_SDRAM) - return pll_rate / 4; - - return pll_rate / 3; -} - -static __init unsigned long -mt7620_get_sys_rate(unsigned long cpu_rate) -{ - u32 reg; - u32 ocp_ratio; - u32 div; - - reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); - - ocp_ratio = (reg >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) & - CPU_SYS_CLKCFG_OCP_RATIO_MASK; - - if (WARN_ON(ocp_ratio >= ARRAY_SIZE(mt7620_ocp_dividers))) - return cpu_rate; - - div = mt7620_ocp_dividers[ocp_ratio]; - if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio)) - return cpu_rate; - - return cpu_rate / div; -} - -void __init ralink_clk_init(void) -{ - unsigned long xtal_rate; - unsigned long cpu_pll_rate; - unsigned long pll_rate; - unsigned long cpu_rate; - unsigned long sys_rate; - unsigned long dram_rate; - unsigned long periph_rate; - unsigned long pcmi2s_rate; - - xtal_rate = mt7620_get_xtal_rate(); - -#define RFMT(label) label ":%lu.%03luMHz " -#define RINT(x) ((x) / 1000000) -#define RFRAC(x) (((x) / 1000) % 1000) - - if (is_mt76x8()) { - if (xtal_rate == MHZ(40)) - cpu_rate = MHZ(580); - else - cpu_rate = MHZ(575); - dram_rate = sys_rate = cpu_rate / 3; - periph_rate = MHZ(40); - pcmi2s_rate = MHZ(480); - - ralink_clk_add("10000d00.uartlite", periph_rate); - ralink_clk_add("10000e00.uartlite", periph_rate); - } else { - cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate); - pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate); - - cpu_rate = mt7620_get_cpu_rate(pll_rate); - dram_rate = mt7620_get_dram_rate(pll_rate); - sys_rate = mt7620_get_sys_rate(cpu_rate); - periph_rate = mt7620_get_periph_rate(xtal_rate); - pcmi2s_rate = periph_rate; - - pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"), - RINT(xtal_rate), RFRAC(xtal_rate), - RINT(cpu_pll_rate), RFRAC(cpu_pll_rate), - RINT(pll_rate), RFRAC(pll_rate)); - - ralink_clk_add("10000500.uart", periph_rate); - } - - pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"), - RINT(cpu_rate), RFRAC(cpu_rate), - RINT(dram_rate), RFRAC(dram_rate), - RINT(sys_rate), RFRAC(sys_rate), - RINT(periph_rate), RFRAC(periph_rate)); -#undef RFRAC -#undef RINT -#undef RFMT - - ralink_clk_add("cpu", cpu_rate); - ralink_clk_add("10000100.timer", periph_rate); - ralink_clk_add("10000120.watchdog", periph_rate); - ralink_clk_add("10000900.i2c", periph_rate); - ralink_clk_add("10000a00.i2s", pcmi2s_rate); - ralink_clk_add("10000b00.spi", sys_rate); - ralink_clk_add("10000b40.spi", sys_rate); - ralink_clk_add("10000c00.uartlite", periph_rate); - ralink_clk_add("10000d00.uart1", periph_rate); - ralink_clk_add("10000e00.uart2", periph_rate); - ralink_clk_add("10180000.wmac", xtal_rate); - - if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) { - /* - * When the CPU goes into sleep mode, the BUS clock will be - * too low for USB to function properly. Adjust the busses - * fractional divider to fix this - */ - u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); - - val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK); - val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL; - - rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG); - } -} - -void __init ralink_of_remap(void) -{ - rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc"); - rt_memc_membase = plat_of_remap_node("ralink,mt7620a-memc"); - - if (!rt_sysc_membase || !rt_memc_membase) - panic("Failed to remap core resources"); -} - -static __init void -mt7620_dram_init(struct ralink_soc_info *soc_info) -{ - switch (dram_type) { - case SYSCFG0_DRAM_TYPE_SDRAM: - pr_info("Board has SDRAM\n"); - soc_info->mem_size_min = MT7620_SDRAM_SIZE_MIN; - soc_info->mem_size_max = MT7620_SDRAM_SIZE_MAX; - break; - - case SYSCFG0_DRAM_TYPE_DDR1: - pr_info("Board has DDR1\n"); - soc_info->mem_size_min = MT7620_DDR1_SIZE_MIN; - soc_info->mem_size_max = MT7620_DDR1_SIZE_MAX; - break; - - case SYSCFG0_DRAM_TYPE_DDR2: - pr_info("Board has DDR2\n"); - soc_info->mem_size_min = MT7620_DDR2_SIZE_MIN; - soc_info->mem_size_max = MT7620_DDR2_SIZE_MAX; - break; - default: - BUG(); - } -} - -static __init void -mt7628_dram_init(struct ralink_soc_info *soc_info) -{ - switch (dram_type) { - case SYSCFG0_DRAM_TYPE_DDR1_MT7628: - pr_info("Board has DDR1\n"); - soc_info->mem_size_min = MT7620_DDR1_SIZE_MIN; - soc_info->mem_size_max = MT7620_DDR1_SIZE_MAX; - break; - - case SYSCFG0_DRAM_TYPE_DDR2_MT7628: - pr_info("Board has DDR2\n"); - soc_info->mem_size_min = MT7620_DDR2_SIZE_MIN; - soc_info->mem_size_max = MT7620_DDR2_SIZE_MAX; - break; - default: - BUG(); - } -} - -void __init prom_soc_init(struct ralink_soc_info *soc_info) +static int __init mt7620_pinmux_init(void) { - void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7620_SYSC_BASE); - unsigned char *name = NULL; - u32 n0; - u32 n1; - u32 rev; - u32 cfg0; - u32 pmu0; - u32 pmu1; - u32 bga; - - n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); - n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); - rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); - bga = (rev >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK; - - if (n0 == MT7620_CHIP_NAME0 && n1 == MT7620_CHIP_NAME1) { - if (bga) { - ralink_soc = MT762X_SOC_MT7620A; - name = "MT7620A"; - soc_info->compatible = "ralink,mt7620a-soc"; - } else { - ralink_soc = MT762X_SOC_MT7620N; - name = "MT7620N"; - soc_info->compatible = "ralink,mt7620n-soc"; - } - } else if (n0 == MT7620_CHIP_NAME0 && n1 == MT7628_CHIP_NAME1) { - u32 efuse = __raw_readl(sysc + SYSC_REG_EFUSE_CFG); - - if (efuse & EFUSE_MT7688) { - ralink_soc = MT762X_SOC_MT7688; - name = "MT7688"; - } else { - ralink_soc = MT762X_SOC_MT7628AN; - name = "MT7628AN"; - } - soc_info->compatible = "ralink,mt7628an-soc"; - } else { - panic("mt762x: unknown SoC, n0:%08x n1:%08x\n", n0, n1); - } - - snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, - "MediaTek %s ver:%u eco:%u", - name, - (rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK, - (rev & CHIP_REV_ECO_MASK)); - - cfg0 = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG0); - if (is_mt76x8()) { - dram_type = cfg0 & DRAM_TYPE_MT7628_MASK; - } else { - dram_type = (cfg0 >> SYSCFG0_DRAM_TYPE_SHIFT) & - SYSCFG0_DRAM_TYPE_MASK; - if (dram_type == SYSCFG0_DRAM_TYPE_UNKNOWN) - dram_type = SYSCFG0_DRAM_TYPE_SDRAM; - } - - soc_info->mem_base = MT7620_DRAM_BASE; - if (is_mt76x8()) - mt7628_dram_init(soc_info); - else - mt7620_dram_init(soc_info); - - pmu0 = __raw_readl(sysc + PMU0_CFG); - pmu1 = __raw_readl(sysc + PMU1_CFG); - - pr_info("Analog PMU set to %s control\n", - (pmu0 & PMU_SW_SET) ? ("sw") : ("hw")); - pr_info("Digital PMU set to %s control\n", - (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw")); - - if (is_mt76x8()) - rt2880_pinmux_data = mt7628an_pinmux_data; - else - rt2880_pinmux_data = mt7620a_pinmux_data; + return platform_driver_register(&mt7620_pinmux_driver); } +core_initcall_sync(mt7620_pinmux_init); -- 2.25.1