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| author | Hans de Goede <hdegoede@redhat.com> | 2015-02-16 17:23:25 +0100 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-02-20 08:11:57 +0100 |
| commit | 55410089cb979d7a86ee817c0309c4c2348a90df (patch) | |
| tree | 8fef2d3466678e793c264cad9c199ef6ea1934d1 /include/configs | |
| parent | 242e3d893d1311ea38abd25613076a29961d422e (diff) | |
| download | u-boot-imx-55410089cb979d7a86ee817c0309c4c2348a90df.zip u-boot-imx-55410089cb979d7a86ee817c0309c4c2348a90df.tar.gz u-boot-imx-55410089cb979d7a86ee817c0309c4c2348a90df.tar.bz2 | |
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 <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/sunxi-common.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 1238d82..f5efebb 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 */ |