[U-Boot] [PATCH 31/37] board: ge: mx53ppd: clean up DM PWM video and backlight

[Robert Beckett <bob.beckett@collabora.com>]

Remove old (incorrect) setup_iomux_lcd.
Enable backlight via display enable handler.
Use cls command to initiate display in HW agnostic manner.

Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
---
 board/ge/mx53ppd/mx53ppd.c       |   1 -
 board/ge/mx53ppd/mx53ppd_video.c | 118 +++++++++----------------------
 configs/mx53ppd_defconfig        |   1 +
 include/configs/mx53ppd.h        |   2 +-
 4 files changed, 36 insertions(+), 86 deletions(-)

diff --git a/board/ge/mx53ppd/mx53ppd.c b/board/ge/mx53ppd/mx53ppd.c
index 17ba3a87dd..57bf03f659 100644
--- a/board/ge/mx53ppd/mx53ppd.c
+++ b/board/ge/mx53ppd/mx53ppd.c
@@ -171,7 +171,6 @@ int board_early_init_f(void)
 {
 	setup_iomux_uart();
 	setup_iomux_fec();
-	setup_iomux_lcd();
 	ppd_gpio_init();
 
 	return 0;
diff --git a/board/ge/mx53ppd/mx53ppd_video.c b/board/ge/mx53ppd/mx53ppd_video.c
index c386dc29de..3240ed62ae 100644
--- a/board/ge/mx53ppd/mx53ppd_video.c
+++ b/board/ge/mx53ppd/mx53ppd_video.c
@@ -25,69 +25,6 @@ static int detect_lcd(struct display_info_t const *dev)
 	return 1;
 }
 
-struct display_info_t const displays[] = {
-	{
-		.bus	= -1,
-		.addr	= -1,
-		.pixfmt	= IPU_PIX_FMT_RGB24,
-		.detect	= detect_lcd,
-		.enable	= NULL,
-		.mode = {
-			.name		= "NV-SPWGRGB888",
-			.refresh	= 60,
-			.xres		= 800,
-			.yres		= 480,
-			.pixclock	= 15384,
-			.left_margin	= 16,
-			.right_margin	= 210,
-			.upper_margin	= 10,
-			.lower_margin	= 22,
-			.hsync_len	= 30,
-			.vsync_len	= 13,
-			.sync		= FB_SYNC_EXT,
-			.vmode		= FB_VMODE_NONINTERLACED
-		}
-	}
-};
-
-size_t display_count = ARRAY_SIZE(displays);
-
-void setup_iomux_lcd(void)
-{
-	static const iomux_v3_cfg_t lcd_pads[] = {
-		MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
-		MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
-		MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
-		MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
-		MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
-		MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
-		MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
-		MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
-		MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
-		MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
-		MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
-		MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
-		MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
-		MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
-		MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
-		MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
-		MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
-		MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
-		MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
-		MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
-		MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
-		MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
-		MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
-		MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
-		MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
-		MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
-		MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
-		MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
-	};
-
-	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
-}
-
 static void lcd_enable(void)
 {
 	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
@@ -112,34 +49,47 @@ static void lcd_enable(void)
 		&iomux->gpr[2]);
 }
 
-static int do_lcd_enable(cmd_tbl_t *cmdtp, int flag, int argc,
-			 char * const argv[])
+static void do_enable_backlight(struct display_info_t const *dev)
 {
-	lcd_enable();
-
-	int ret;
 	struct udevice *panel;
-	struct udevice *dev;
+	int ret;
+
+	lcd_enable();
 
 	ret = uclass_get_device(UCLASS_PANEL, 0, &panel);
-	if (ret)
-		return ret;
+	if (ret) {
+		printf("Could not find panel: %d\n", ret);
+		return;
+	}
 
 	panel_set_backlight(panel, 100);
 	panel_enable_backlight(panel);
+}
 
-	/* Probe, to find a video device to be used to show a message on
-	 * the vidconsole.
-	 */
-	ret = uclass_get_device(UCLASS_VIDEO, 0, &dev);
-	if (ret)
-		return ret;
+struct display_info_t const displays[] = {
+	{
+		.bus	= -1,
+		.addr	= -1,
+		.pixfmt	= IPU_PIX_FMT_RGB24,
+		.detect	= detect_lcd,
+		.enable	= do_enable_backlight,
+		.mode = {
+			.name		= "NV-SPWGRGB888",
+			.refresh	= 60,
+			.xres		= 800,
+			.yres		= 480,
+			.pixclock	= 15384,
+			.left_margin	= 16,
+			.right_margin	= 210,
+			.upper_margin	= 10,
+			.lower_margin	= 22,
+			.hsync_len	= 30,
+			.vsync_len	= 13,
+			.sync		= FB_SYNC_EXT,
+			.vmode		= FB_VMODE_NONINTERLACED
+		}
+	}
+};
 
-	return 0;
-}
+size_t display_count = ARRAY_SIZE(displays);
 
-U_BOOT_CMD(
-	ppd_lcd_enable,	1,	1,	do_lcd_enable,
-	"enable PPD LCD",
-	"no parameters"
-);
diff --git a/configs/mx53ppd_defconfig b/configs/mx53ppd_defconfig
index 4d4f93614f..2094e74c7d 100644
--- a/configs/mx53ppd_defconfig
+++ b/configs/mx53ppd_defconfig
@@ -22,6 +22,7 @@ CONFIG_CMD_DHCP=y
 CONFIG_CMD_BOOTCOUNT=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_CLS=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
diff --git a/include/configs/mx53ppd.h b/include/configs/mx53ppd.h
index c7414213a7..3b1615338c 100644
--- a/include/configs/mx53ppd.h
+++ b/include/configs/mx53ppd.h
@@ -91,7 +91,7 @@
 		"/boot/bootcause/firstboot\0" \
 	"swappartitions=setexpr partnum 3 - ${partnum}\0" \
 	"failbootcmd=" \
-		"ppd_lcd_enable; " \
+		"cls; " \
 		"setcurs 5 4; " \
 		"lcdputs \"Monitor failed to start. " \
 		"Try again, or contact GE Service for support.\"; " \
-- 
2.20.1