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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
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