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sunxi: add support for R_I2C on H616

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This port is needed for communication with PMIC. SPL uses it to set DRAM
voltage on H616 boards.

Reviewed-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Jernej Skrabec 2021-01-11 21:11:42 +01:00 committed by Andre Przywara
parent c13d98b77e
commit d0b07c15c2
2 changed files with 5 additions and 0 deletions
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1
arch/arm/include/asm/arch-sunxi/gpio.h
View File

@ -220,6 +220,7 @@ enum sunxi_gpio_number {
#define SUN8I_A23_GPL_R_TWI 3
#define SUN8I_GPL_R_UART 2
#define SUN50I_GPL_R_TWI 2
#define SUN50I_H616_GPL_R_TWI 3
#define SUN9I_GPN_R_RSB 3

4
board/sunxi/board.c
View File

@ -197,6 +197,10 @@ void i2c_init_board(void)
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);
#elif CONFIG_MACH_SUN50I_H616
clock_twi_onoff(5, 1);
sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN50I_H616_GPL_R_TWI);
sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN50I_H616_GPL_R_TWI);
#else
clock_twi_onoff(5, 1);
sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);