[PATCH] arm: sunxi: add support for I2C1 on V3s-based SoCs

[Tobias Schramm]

Previously enabling I2C1 when using a V3s-based SoC had no effect.
Set pinmux on PE21 and PE22 to I2C1 function when enabling I2C1 on
V3s-based SoCs.

Signed-off-by: Tobias Schramm <t.schramm at manjaro.org>
---
 board/sunxi/board.c  | 4 ++++
 include/sunxi_gpio.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 1313b01dce..df2faba3e5 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -98,6 +98,10 @@ void i2c_init_board(void)
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1);
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1);
 	clock_twi_onoff(1, 1);
+#elif defined(CONFIG_MACH_SUN8I_V3S)
+	sunxi_gpio_set_cfgpin(SUNXI_GPE(21), SUN8I_V3S_GPE_TWI1);
+	sunxi_gpio_set_cfgpin(SUNXI_GPE(22), SUN8I_V3S_GPE_TWI1);
+	clock_twi_onoff(1, 1);
 #elif defined(CONFIG_MACH_SUN8I)
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1);
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1);
diff --git a/include/sunxi_gpio.h b/include/sunxi_gpio.h
index db3742c039..175b13a887 100644
--- a/include/sunxi_gpio.h
+++ b/include/sunxi_gpio.h
@@ -113,6 +113,7 @@ enum sunxi_gpio_number {
 #define SUN4I_GPB_TWI1		2
 #define SUN5I_GPB_TWI1		2
 #define SUN8I_V3S_GPB_TWI0	2
+#define SUN8I_V3S_GPE_TWI1	3
 #define SUN4I_GPB_UART0		2
 #define SUN5I_GPB_UART0		2
 #define SUN8I_GPB_UART2		2
-- 
2.30.2