mx6sabresd: Allow probing HSYNC, VSYNC and DISP_CLK signals

HSYNC, VSYNC and DISP_CLK are very useful display signals for debugging.

Configure them as active pins.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 3a1fb20fff59c291b96a1d81da2777e52f572448..ecd2eabc9c8592bdb2c1e8874b7a34a185678396 100644 (file)
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -135,6 +135,12 @@ static void setup_spi(void)
        imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
 }
 
+iomux_v3_cfg_t const di0_pads[] = {
+       MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,        /* DISP0_CLK */
+       MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,               /* DISP0_HSYNC */
+       MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,               /* DISP0_VSYNC */
+};
+
 static void setup_iomux_uart(void)
 {
        imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
@@ -386,6 +392,9 @@ static void setup_display(void)
        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
        int reg;
 
+       /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
+       imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));
+
        enable_ipu_clock();
        imx_setup_hdmi();