Allwinner A64 has a I2C controller, which is in the R_ MMIO zone and has two groups of pinmuxes on PL bank, so it's called R_I2C.
Add support for this I2C controller and the pinmux which doesn't conflict with RSB.
Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com Acked-by: Maxime Ripard maxime.ripard@bootlin.com Tested-by: Maxime Ripard maxime.ripard@bootlin.com Cc: Vagrant Cascadian vagrant@debian.org --- arch/arm/include/asm/arch-sunxi/gpio.h | 1 + arch/arm/mach-sunxi/Kconfig | 1 + board/sunxi/board.c | 6 ++++++ 3 files changed, 8 insertions(+)
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h index 6a5eafc3d3..2daf23f6f5 100644 --- a/arch/arm/include/asm/arch-sunxi/gpio.h +++ b/arch/arm/include/asm/arch-sunxi/gpio.h @@ -211,6 +211,7 @@ enum sunxi_gpio_number { #define SUN8I_H3_GPL_R_TWI 2 #define SUN8I_A23_GPL_R_TWI 3 #define SUN8I_GPL_R_UART 2 +#define SUN50I_GPL_R_TWI 2
#define SUN9I_GPN_R_RSB 3
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 686f38fec4..7ba429c744 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -272,6 +272,7 @@ config MACH_SUN50I select ARM64 select DM_I2C select PHY_SUN4I_USB + select SUN6I_PRCM select SUNXI_DE2 select SUNXI_GEN_SUN6I select SUPPORT_SPL diff --git a/board/sunxi/board.c b/board/sunxi/board.c index d1d7f9f400..90f8bc0a6e 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -168,10 +168,16 @@ void i2c_init_board(void) #endif
#ifdef CONFIG_R_I2C_ENABLE +#ifdef CONFIG_MACH_SUN50I + clock_twi_onoff(5, 1); + sunxi_gpio_set_cfgpin(SUNXI_GPL(8), SUN50I_GPL_R_TWI); + sunxi_gpio_set_cfgpin(SUNXI_GPL(9), SUN50I_GPL_R_TWI); +#else clock_twi_onoff(5, 1); sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI); sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI); #endif +#endif }
#if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT)