diff options
| -rw-r--r-- | arch/mips/include/asm/mach-ralink/rt3883.h | 34 | ||||
| -rw-r--r-- | arch/mips/ralink/rt3883.c | 45 | ||||
| -rw-r--r-- | drivers/pinctrl/ralink/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/pinctrl/ralink/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/ralink/pinctrl-rt3883.c | 107 |
5 files changed, 113 insertions, 79 deletions
diff --git a/arch/mips/include/asm/mach-ralink/rt3883.h b/arch/mips/include/asm/mach-ralink/rt3883.h index 565f2548496a..f250de9c055b 100644 --- a/arch/mips/include/asm/mach-ralink/rt3883.h +++ b/arch/mips/include/asm/mach-ralink/rt3883.h @@ -109,40 +109,6 @@ #define RT3883_CLKCFG1_PCI_CLK_EN BIT(19) #define RT3883_CLKCFG1_UPHY0_CLK_EN BIT(18) -#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) - #define RT3883_GPIO_I2C_SD 1 #define RT3883_GPIO_I2C_SCLK 2 #define RT3883_GPIO_SPI_CS0 3 diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c index ff91f3531ad0..d9875f146d66 100644 --- a/arch/mips/ralink/rt3883.c +++ b/arch/mips/ralink/rt3883.c @@ -14,52 +14,9 @@ #include <asm/mipsregs.h> #include <asm/mach-ralink/ralink_regs.h> #include <asm/mach-ralink/rt3883.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", 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 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 lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; -static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) }; -static struct rt2880_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 rt2880_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; -static struct rt2880_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) }; - -static struct rt2880_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 } -}; - void __init ralink_clk_init(void) { unsigned long cpu_rate, sys_rate; @@ -142,7 +99,5 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info) soc_info->mem_size_min = RT3883_MEM_SIZE_MIN; soc_info->mem_size_max = RT3883_MEM_SIZE_MAX; - rt2880_pinmux_data = rt3883_pinmux_data; - ralink_soc = RT3883_SOC; } diff --git a/drivers/pinctrl/ralink/Kconfig b/drivers/pinctrl/ralink/Kconfig index ef8990a4c1eb..6f5fb3dc0a41 100644 --- a/drivers/pinctrl/ralink/Kconfig +++ b/drivers/pinctrl/ralink/Kconfig @@ -16,4 +16,9 @@ config PINCTRL_MT7621 depends on RALINK && SOC_MT7621 select PINCTRL_RT2880 +config PINCTRL_RT3883 + bool "RT3883 pinctrl driver for RALINK/Mediatek SOCs" + depends on RALINK && SOC_RT3883 + select PINCTRL_RT2880 + endmenu diff --git a/drivers/pinctrl/ralink/Makefile b/drivers/pinctrl/ralink/Makefile index 470855290ff6..86d6f8253afa 100644 --- a/drivers/pinctrl/ralink/Makefile +++ b/drivers/pinctrl/ralink/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_PINCTRL_RT2880) += pinctrl-rt2880.o obj-$(CONFIG_PINCTRL_MT7621) += pinctrl-mt7621.o +obj-$(CONFIG_PINCTRL_RT3883) += pinctrl-rt3883.o diff --git a/drivers/pinctrl/ralink/pinctrl-rt3883.c b/drivers/pinctrl/ralink/pinctrl-rt3883.c new file mode 100644 index 000000000000..3e0e1b4caa64 --- /dev/null +++ b/drivers/pinctrl/ralink/pinctrl-rt3883.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include "pinmux.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 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", 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 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 lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; +static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) }; +static struct rt2880_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 rt2880_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; +static struct rt2880_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) }; + +static struct rt2880_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_pinmux_probe(struct platform_device *pdev) +{ + return rt2880_pinmux_init(pdev, rt3883_pinmux_data); +} + +static const struct of_device_id rt3883_pinmux_match[] = { + { .compatible = "ralink,rt2880-pinmux" }, + {} +}; +MODULE_DEVICE_TABLE(of, rt3883_pinmux_match); + +static struct platform_driver rt3883_pinmux_driver = { + .probe = rt3883_pinmux_probe, + .driver = { + .name = "rt2880-pinmux", + .of_match_table = rt3883_pinmux_match, + }, +}; + +static int __init rt3883_pinmux_init(void) +{ + return platform_driver_register(&rt3883_pinmux_driver); +} +core_initcall_sync(rt3883_pinmux_init); |