Message ID | 20181017050932.11138-5-anarsoul@gmail.com |
---|---|
State | Superseded |
Delegated to: | Jagannadha Sutradharudu Teki |
Headers | show |
Series | Add support for Pinebook | expand |
On 10/17/18 6:09 AM, Vasily Khoruzhick wrote: > 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> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Thanks! Andre. > --- > 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) >
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)
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> --- 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(+)