On 07/10/2013 03:06 PM, Dan Murphy wrote:
Configure the tca6424 gpio expander This allows use of the debug and tri color LEDs.
Signed-off-by: Dan Murphy dmurphy@ti.com
board/ti/omap5_uevm/evm.c | 21 +++++++++++++++++++++ board/ti/omap5_uevm/mux_data.h | 2 ++ include/configs/omap5_uevm.h | 5 +++++ 3 files changed, 28 insertions(+)
diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c index 90046e8..0e9a559 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 +36,24 @@ const struct omap_sysinfo sysinfo = { "Board: OMAP5430 EVM\n" };
+/* @brief tca642x_init - Initial states for the GPIO expander
documentation style? /* * @brief ?
- input reg, output reg, polarity reg, configuration reg
- */
+struct tca642x_bank_info tca642x_init[] = {
- { .input_reg = 0x00,
.output_reg = 0x04,.polarity_reg = 0x00,.configuration_reg = 0x80 },- { .input_reg = 0x00,
.output_reg = 0x00,.polarity_reg = 0x00,.configuration_reg = 0xff },- { .input_reg = 0x00,
.output_reg = 0x00,.polarity_reg = 0x00,.configuration_reg = 0x40 },+};
- /**
- @brief board_init
@@ -46,6 +65,8 @@ 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 */
nit pick -> SCL (or i2c clk) is out put from master - always. IEN enables full duplex, but anyways.. just a nitpick :)
{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"
Else, no further comments from me. -- Regards, Nishanth Menon