Configure the tca6424 gpio expander This allows use of the debug and tri color LEDs. As well as HDMI PEO signal.
Signed-off-by: Dan Murphy dmurphy@ti.com --- board/ti/omap5_uevm/evm.c | 12 ++++++++++++ board/ti/omap5_uevm/mux_data.h | 2 ++ include/configs/omap5_uevm.h | 5 +++++ 3 files changed, 19 insertions(+)
diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c index 90046e8..ee96ae1 100644 --- a/board/ti/omap5_uevm/evm.c +++ b/board/ti/omap5_uevm/evm.c @@ -26,6 +26,7 @@ #include <palmas.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mmc_host_def.h> +#include <tca642x.h>
#include "mux_data.h"
@@ -35,6 +36,15 @@ const struct omap_sysinfo sysinfo = { "Board: OMAP5430 EVM\n" };
+/* Initial states for the GPIO expander + * input reg, output reg, polarity reg, configuration reg + */ +struct tca642x_bank_info tca642x_init[] = { + {0x00, 0x04, 0x00, 0x80}, + {0x00, 0x00, 0x00, 0xff}, + {0x00, 0x00, 0x00, 0x40}, +}; + /** * @brief board_init * @@ -46,6 +56,8 @@ int board_init(void) gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM; gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
+ tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init); + return 0; }
diff --git a/board/ti/omap5_uevm/mux_data.h b/board/ti/omap5_uevm/mux_data.h index a82795d..7e6415e 100644 --- a/board/ti/omap5_uevm/mux_data.h +++ b/board/ti/omap5_uevm/mux_data.h @@ -56,6 +56,8 @@ const struct pad_conf_entry core_padconf_array_essential[] = { {USBD0_HS_DP, (IEN | M0)}, /* USBD0_HS_DP */ {USBD0_HS_DM, (IEN | M0)}, /* USBD0_HS_DM */ {USBD0_SS_RX, (IEN | M0)}, /* USBD0_SS_RX */ + {I2C5_SCL, (IEN | M0)}, /* I2C5_SCL */ + {I2C5_SDA, (IEN | M0)}, /* I2C5_SDA */
};
diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h index 46dacc2..bee1278 100644 --- a/include/configs/omap5_uevm.h +++ b/include/configs/omap5_uevm.h @@ -53,6 +53,11 @@ #define CONFIG_PARTITION_UUIDS #define CONFIG_CMD_PART
+#define CONFIG_TCA642X +#define CONFIG_CMD_TCA642X +#define CONFIG_SYS_I2C_TCA642X_BUS_NUM 4 +#define CONFIG_SYS_I2C_TCA642X_ADDR 0x22 + #define CONFIG_SYS_PROMPT "OMAP5432 uEVM # "
#define CONSOLEDEV "ttyO2"