diff options
Diffstat (limited to 'gnu/packages/patches/u-boot-pinebook-r_i2c-controller.patch')
| -rw-r--r-- | gnu/packages/patches/u-boot-pinebook-r_i2c-controller.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gnu/packages/patches/u-boot-pinebook-r_i2c-controller.patch b/gnu/packages/patches/u-boot-pinebook-r_i2c-controller.patch new file mode 100644 index 0000000000..824a16b9db --- /dev/null +++ b/gnu/packages/patches/u-boot-pinebook-r_i2c-controller.patch @@ -0,0 +1,70 @@ +From 31a4ac4d79d75baeede3edfa95515fd4169ef502 Mon Sep 17 00:00:00 2001 +From: Vasily Khoruzhick <anarsoul@gmail.com> +Date: Mon, 5 Nov 2018 20:24:30 -0800 +Subject: [PATCH 09/13] sun50i: A64: add support for R_I2C controller + +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> +Acked-by: Jagan Teki <jagan@openedev.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(+) + +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 6277abc3cc..560dc9b25d 100644 +--- a/arch/arm/mach-sunxi/Kconfig ++++ b/arch/arm/mach-sunxi/Kconfig +@@ -278,6 +278,7 @@ 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 b196d48674..64ccbc7245 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) +-- +2.11.0 + |