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-rw-r--r--board/freescale/mx6sxsabreauto/mx6sxsabreauto.c41
-rw-r--r--include/configs/mx6sxsabreauto.h5
2 files changed, 46 insertions, 0 deletions
diff --git a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c
index dc3295a..9a24c99 100644
--- a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c
+++ b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c
@@ -34,6 +34,10 @@
#include <mxsfb.h>
#endif
+#ifdef CONFIG_MAX7310_IOEXP
+#include <gpio_exp.h>
+#endif
+
#ifdef CONFIG_FASTBOOT
#include <fastboot.h>
#ifdef CONFIG_ANDROID_RECOVERY
@@ -200,6 +204,26 @@ static void setup_iomux_fec(int fec_id)
}
#endif
+#ifdef CONFIG_MAX7310_IOEXP
+
+#define CPU_PER_RST_B IOEXP_GPIO_NR(1, 4)
+#define LVDS_EN_PIN IOEXP_GPIO_NR(1, 7)
+#define STEER_ENET IOEXP_GPIO_NR(2, 2)
+
+int setup_max7310(void)
+{
+ /* Must call this function after i2c has setup */
+#ifdef CONFIG_SYS_I2C_MXC
+ gpio_exp_setup_port(1, 2, 0x30);
+ gpio_exp_setup_port(2, 2, 0x32);
+
+ return 0;
+#else
+ return -EPERM;
+#endif
+}
+#endif
+
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
@@ -466,6 +490,11 @@ void do_enable_lvds(struct lcd_panel_info_t const *dev)
imx_iomux_v3_setup_multiple_pads(lvds_ctrl_pads,
ARRAY_SIZE(lvds_ctrl_pads));
+#ifdef CONFIG_MAX7310_IOEXP
+ /* LVDS Enable pin */
+ gpio_exp_direction_output(LVDS_EN_PIN , 1);
+#endif
+
/* Set Brightness to high */
gpio_direction_output(IMX_GPIO_NR(6, 3) , 1);
}
@@ -805,6 +834,18 @@ int board_init(void)
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
#endif
+#ifdef CONFIG_MAX7310_IOEXP
+ setup_max7310();
+
+ /* Reset CPU_PER_RST_B signal for enet phy and PCIE */
+ gpio_exp_direction_output(CPU_PER_RST_B, 0);
+ udelay(500);
+ gpio_exp_direction_output(CPU_PER_RST_B, 1);
+
+ /* Set steering signal to L for selecting B0 */
+ gpio_exp_direction_output(STEER_ENET, 0);
+#endif
+
#ifdef CONFIG_FEC_MXC
setup_fec(CONFIG_FEC_ENET_DEV);
#endif
diff --git a/include/configs/mx6sxsabreauto.h b/include/configs/mx6sxsabreauto.h
index 40043f8..8caf676 100644
--- a/include/configs/mx6sxsabreauto.h
+++ b/include/configs/mx6sxsabreauto.h
@@ -108,6 +108,11 @@
#define CONFIG_PMIC_I2C_SLAVE 0x8
#endif
+/* MAX7310 configs*/
+#define CONFIG_MAX7310_IOEXP
+#define CONFIG_IOEXP_DEVICES_NUM 2
+#define CONFIG_IOEXP_DEV_PINS_NUM 8
+
/* VIDEO */
#define CONFIG_VIDEO