mx23evk: Convert to driver model

Make the conversion to driver model as it is mandatory.

Successfully tested booting Linux from the SD card.

Dropped splash screen support as this needs to be properly
converted to DM and tested.

Signed-off-by: Fabio Estevam <festevam@gmail.com>

6 files changed, 33 insertions, 27 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 2321c944b0..a8215ca629 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -648,6 +648,9 @@ dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
 	vf610-pcm052.dtb \
 	vf610-bk4r1.dtb
 
+dtb-$(CONFIG_MX23) += \
+	imx23-evk.dtb
+
 dtb-$(CONFIG_MX28) += \
 	imx28-xea.dtb
 
diff --git a/arch/arm/dts/imx23-evk-u-boot.dtsi b/arch/arm/dts/imx23-evk-u-boot.dtsi
new file mode 100644
index 0000000000..165e220e31
--- /dev/null
+++ b/arch/arm/dts/imx23-evk-u-boot.dtsi
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "imx23-u-boot.dtsi"
+
diff --git a/arch/arm/dts/imx23-u-boot.dtsi b/arch/arm/dts/imx23-u-boot.dtsi
new file mode 100644
index 0000000000..5e87aca61b
--- /dev/null
+++ b/arch/arm/dts/imx23-u-boot.dtsi
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+&gpio0 {
+	gpio-ranges = <&pinctrl 0 0 32>;
+};
+
+&gpio1 {
+	gpio-ranges = <&pinctrl 0 32 31>;
+};
+
+&gpio2 {
+	gpio-ranges = <&pinctrl 0 63 32>;
+};
+
diff --git a/arch/arm/dts/imx23.dtsi b/arch/arm/dts/imx23.dtsi
index 7f4c602454..4cfec77849 100644
--- a/arch/arm/dts/imx23.dtsi
+++ b/arch/arm/dts/imx23.dtsi
@@ -105,7 +105,7 @@
 				status = "disabled";
 			};
 
-			pinctrl@80018000 {
+			pinctrl: pinctrl@80018000 {
 				#address-cells = <1>;
 				#size-cells = <0>;
 				compatible = "fsl,imx23-pinctrl", "simple-bus";
diff --git a/board/freescale/mx23evk/mx23evk.c b/board/freescale/mx23evk/mx23evk.c
index 605cdec218..df4fb39125 100644
--- a/board/freescale/mx23evk/mx23evk.c
+++ b/board/freescale/mx23evk/mx23evk.c
@@ -54,26 +54,3 @@ int board_init(void)
 
 	return 0;
 }
-
-#ifdef	CONFIG_CMD_MMC
-static int mx23evk_mmc_wp(int id)
-{
-	if (id != 0) {
-		printf("MXS MMC: Invalid card selected (card id = %d)\n", id);
-		return 1;
-	}
-
-	return gpio_get_value(MX23_PAD_PWM4__GPIO_1_30);
-}
-
-int board_mmc_init(struct bd_info *bis)
-{
-	/* Configure WP as input */
-	gpio_direction_input(MX23_PAD_PWM4__GPIO_1_30);
-
-	/* Configure MMC0 Power Enable */
-	gpio_direction_output(MX23_PAD_PWM3__GPIO_1_29, 0);
-
-	return mxsmmc_initialize(bis, 0, mx23evk_mmc_wp, NULL);
-}
-#endif
diff --git a/configs/mx23evk_defconfig b/configs/mx23evk_defconfig
index 0e3d9774c5..99881f358c 100644
--- a/configs/mx23evk_defconfig
+++ b/configs/mx23evk_defconfig
@@ -7,16 +7,19 @@ CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x4000
 CONFIG_ENV_OFFSET=0x40000
+CONFIG_DM_GPIO=y
 CONFIG_SPL_TEXT_BASE=0x00001000
 CONFIG_TARGET_MX23EVK=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
+CONFIG_DEFAULT_DEVICE_TREE="imx23-evk"
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_ARCH_MISC_INIT=y
 # CONFIG_SPL_FRAMEWORK is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_DM=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
@@ -24,17 +27,22 @@ CONFIG_CMD_USB=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_NET is not set
+CONFIG_DM=y
 CONFIG_MXS_GPIO=y
+CONFIG_DM_MMC=y
 CONFIG_MMC_MXS=y
+CONFIG_PINCTRL=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_CONS_INDEX=0
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
-CONFIG_SPLASH_SCREEN=y
-CONFIG_VIDEO_BMP_GZIP=y
-CONFIG_OF_LIBFDT=y