From 55410089cb979d7a86ee817c0309c4c2348a90df Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Mon, 16 Feb 2015 17:23:25 +0100 Subject: sunxi: video: Add support for LCD panels which need to be configured via i2c This commits adds support for configuring a a bitbang i2c controller, which is used on some boards to configure the LCD panel (via i2c). Signed-off-by: Hans de Goede Acked-by: Ian Campbell --- include/configs/sunxi-common.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include') diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 1238d821b3..f5efebbf28 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -183,6 +183,22 @@ #define CONFIG_SYS_I2C_MVTWSI #define CONFIG_SYS_I2C_SPEED 400000 #define CONFIG_SYS_I2C_SLAVE 0x7f + +#if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD) +#define CONFIG_SYS_I2C_SOFT +#define CONFIG_SYS_I2C_SOFT_SPEED 50000 +#define CONFIG_SYS_I2C_SOFT_SLAVE 0x00 +#define CONFIG_VIDEO_LCD_I2C_BUS 0 /* The lcd panel soft i2c is bus 0 */ +#define CONFIG_SYS_SPD_BUS_NUM 1 /* And the axp209 i2c bus is bus 1 */ +/* We use pin names in Kconfig and sunxi_name_to_gpio() */ +#define CONFIG_SOFT_I2C_GPIO_SDA soft_i2c_gpio_sda +#define CONFIG_SOFT_I2C_GPIO_SCL soft_i2c_gpio_scl +#ifndef __ASSEMBLY__ +extern int soft_i2c_gpio_sda; +extern int soft_i2c_gpio_scl; +#endif +#endif + #define CONFIG_CMD_I2C /* PMU */ -- cgit v1.2.1