Created
June 17, 2025 13:57
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Allwinner B288 U-Boot pinctrl sketch
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| diff --git a/drivers/pinctrl/sunxi/Kconfig b/drivers/pinctrl/sunxi/Kconfig | |
| index 54314992299..114632307b8 100644 | |
| --- a/drivers/pinctrl/sunxi/Kconfig | |
| +++ b/drivers/pinctrl/sunxi/Kconfig | |
| @@ -149,4 +149,8 @@ config PINCTRL_SUN55I_A523_R | |
| default MACH_SUN55I_A523 | |
| select PINCTRL_SUNXI | |
| +config PINCTRL_SUN8I_B288 | |
| + bool "Support for the Allwinner B288 PIO" | |
| + select PINCTRL_SUNXI | |
| + | |
| endif | |
| diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c | |
| index 46b266a3a1d..f5b45dda01d 100644 | |
| --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c | |
| +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c | |
| @@ -846,6 +846,31 @@ static const struct sunxi_pinctrl_desc __maybe_unused sun55i_a523_r_pinctrl_desc | |
| .num_banks = 2, | |
| }; | |
| +static const struct sunxi_pinctrl_function sun8i_b288_pinctrl_functions[] = { | |
| + { "gpio_in", 0 }, | |
| + { "gpio_out", 1 }, | |
| + { "i2c0", 2 }, /* PB6-PB7 */ | |
| + { "i2c1", 4 }, /* PB */ | |
| + { "mmc0", 2 }, /* PF0-PF5 */ | |
| + { "mmc1", 5 }, /* PG0-PG5 */ | |
| + { "mmc2", 3 }, /* PC1-PC14 */ | |
| + { "mmc3", 5 }, /* PC1-PC14 */ | |
| + { "spi0", 4 }, /* PC0-PC3 */ | |
| +#if IS_ENABLED(CONFIG_UART0_PORT_F) | |
| + { "uart0", 4 }, /* PF2-PF4 */ | |
| +#else | |
| + { "uart0", 2 }, /* PB4-PB5 */ | |
| +#endif | |
| + { "uart2", 2 }, /* PB0-PB3 */ | |
| +}; | |
| + | |
| +static const struct sunxi_pinctrl_desc __maybe_unused sun8i_b288_pinctrl_desc = { | |
| + .functions = sun8i_b288_pinctrl_functions, | |
| + .num_functions = ARRAY_SIZE(sun8i_b288_pinctrl_functions), | |
| + .first_bank = SUNXI_GPIO_A, | |
| + .num_banks = 7, | |
| +}; | |
| + | |
| static const struct udevice_id sunxi_pinctrl_ids[] = { | |
| #ifdef CONFIG_PINCTRL_SUNIV_F1C100S | |
| { | |
| @@ -1032,6 +1057,12 @@ static const struct udevice_id sunxi_pinctrl_ids[] = { | |
| .compatible = "allwinner,sun55i-a523-r-pinctrl", | |
| .data = (ulong)&sun55i_a523_r_pinctrl_desc, | |
| }, | |
| +#endif | |
| +#ifdef CONFIG_PINCTRL_SUN8I_B288 | |
| + { | |
| + .compatible = "allwinner,sun8i-b288-pinctrl", | |
| + .data = (ulong)&sun8i_b288_pinctrl_desc, | |
| + }, | |
| #endif | |
| {} | |
| }; |
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