board: toradex: turn off lcd backlight before OS handover

[platform/kernel/u-boot.git] / board / toradex / apalis_imx6 / apalis_imx6.c

diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 7a3e493..d11207c 100644 (file)
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
  * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
  * Copyright (C) 2014-2016, Toradex AG
  * copied from nitrogen6x
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -30,6 +29,7 @@
 #include <dm/platdata.h>
 #include <fsl_esdhc.h>
 #include <i2c.h>
+#include <input.h>
 #include <imx_thermal.h>
 #include <linux/errno.h>
 #include <malloc.h>
@@ -745,6 +745,15 @@ static void setup_display(void)
        gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
        gpio_direction_output(RGB_BACKLIGHT_GP, 1);
 }
+
+/*
+ * Backlight off before OS handover
+ */
+void board_preboot_os(void)
+{
+       gpio_direction_output(RGB_BACKLIGHTPWM_GP, 1);
+       gpio_direction_output(RGB_BACKLIGHT_GP, 0);
+}
 #endif /* defined(CONFIG_VIDEO_IPUV3) */
 
 int board_early_init_f(void)
@@ -756,10 +765,6 @@ int board_early_init_f(void)
 #else
        setup_iomux_dce_uart();
 #endif
-
-#if defined(CONFIG_VIDEO_IPUV3)
-       setup_display();
-#endif
        return 0;
 }
 
@@ -781,6 +786,10 @@ int board_init(void)
        setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc);
        setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
 
+#if defined(CONFIG_VIDEO_IPUV3)
+       setup_display();
+#endif
+
 #ifdef CONFIG_TDX_CMD_IMX_MFGR
        (void) pmic_init();
 #endif
@@ -891,7 +900,7 @@ void ldo_mode_set(int ldo_bypass)
 
 #ifdef CONFIG_SPL_BUILD
 #include <spl.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
 #include "asm/arch/mx6q-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"
@@ -1159,17 +1168,6 @@ static void ccgr_init(void)
        writel(0x000000FB, &ccm->ccosr);
 }
 
-static void gpr_init(void)
-{
-       struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
-
-       /* enable AXI cache for VDOA/VPU/IPU */
-       writel(0xF00000CF, &iomux->gpr[4]);
-       /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
-       writel(0x007F007F, &iomux->gpr[6]);
-       writel(0x007F007F, &iomux->gpr[7]);
-}
-
 static void ddr_init(int *table, int size)
 {
        int i;