From be4ab3dd05504e771fb743d39f88186c4d8b1165 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Wed, 4 Dec 2013 01:08:16 -0200
Subject: [PATCH] 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>
---
board/freescale/mx6sabresd/mx6sabresd.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 3a1fb20fff..ecd2eabc9c 100644
--- 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();
--
2.39.5