siemens: capricorn: move to cxg3 reference project with deneb board

We have many HW with capricorn i.MX8X boards. The difference in u-boot is
at all by the display of the LEDs.

* put upstream a reference project & board for DT and defconfig
* use the capricorn prefix outside the board/siemens/capricorn folder

Signed-off-by: Enrico Leto <enrico.leto@siemens.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 042282f..d81a9f9 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -935,8 +935,7 @@
 	fsl-imx8qxp-ai_ml.dtb \
 	fsl-imx8qxp-colibri.dtb \
 	fsl-imx8qxp-mek.dtb \
-	imx8-deneb.dtb \
-	imx8-giedi.dtb
+	imx8-capricorn-cxg3.dtb \
 
 dtb-$(CONFIG_ARCH_IMX8ULP) += \
 	imx8ulp-evk.dtb
diff --git a/arch/arm/dts/imx8-capricorn-cxg3.dts b/arch/arm/dts/imx8-capricorn-cxg3.dts
new file mode 100644
index 0000000..2f85975
--- /dev/null
+++ b/arch/arm/dts/imx8-capricorn-cxg3.dts
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 Siemens AG
+ */
+
+#include "imx8-capricorn.dtsi"
+
+/ {
+	model = "Siemens CXG3";
+
+	leds_default: leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_leds>;
+
+		run {
+			label = "run";
+			gpios = <&gpio5 0 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		flt {
+			label = "flt";
+			gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		svc {
+			label = "svc";
+			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		com1_tx {
+			label = "com1-tx";
+			gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		com1_rx {
+			label = "com1-rx";
+			gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		com2_tx {
+			label = "com2-tx";
+			gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		com2_rx {
+			label = "com2-rx";
+			gpios = <&gpio0 29 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		cloud {
+			label = "cloud";
+			gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		wlan {
+			label = "wlan";
+			gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		apps {
+			label = "apps";
+			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		dbg2 {
+			label = "dbg2";
+			gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		dbg3 {
+			label = "dbg3";
+			gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		dbg4 {
+			label = "dbg4";
+			gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&iomuxc {
+	pinctrl-0 = <&pinctrl_gpio_keys>;
+
+	muxcgrp: imx8qxp-som {
+		pinctrl_gpio_leds: gpioledsgrp {
+			fsl,pins = <
+			SC_P_ESAI0_FST_LSIO_GPIO0_IO01		0x06000021
+			SC_P_ESAI0_TX0_LSIO_GPIO0_IO04		0x06000021
+			SC_P_SAI0_TXC_LSIO_GPIO0_IO26		0x06000021
+			SC_P_SAI1_RXD_LSIO_GPIO0_IO29		0x06000021
+			SC_P_FLEXCAN1_RX_LSIO_GPIO1_IO17	0x06000021
+			SC_P_FLEXCAN1_TX_LSIO_GPIO1_IO18	0x06000021
+			SC_P_QSPI0B_SCLK_LSIO_GPIO3_IO17	0x06000021
+			SC_P_QSPI0B_DATA0_LSIO_GPIO3_IO18	0x06000021
+			SC_P_QSPI0B_DATA1_LSIO_GPIO3_IO19	0x06000021
+			SC_P_USB_SS3_TC0_LSIO_GPIO4_IO03	0x06000021
+			SC_P_ENET0_RGMII_TXD1_LSIO_GPIO5_IO00	0x06000021
+			SC_P_ENET0_RGMII_TXD2_LSIO_GPIO5_IO01	0x06000021
+			SC_P_ENET0_REFCLK_125M_25M_LSIO_GPIO5_IO09	0x06000021
+			>;
+		};
+	};
+
+	pinctrl_gpio_keys: gpiokeysgrp {
+		fsl,pins = <
+		SC_P_MIPI_DSI1_GPIO0_00_LSIO_GPIO1_IO31 0x06000021
+		>;
+	};
+};
diff --git a/arch/arm/dts/imx8qxp-capricorn-u-boot.dtsi b/arch/arm/dts/imx8-capricorn-u-boot.dtsi
similarity index 100%
rename from arch/arm/dts/imx8qxp-capricorn-u-boot.dtsi
rename to arch/arm/dts/imx8-capricorn-u-boot.dtsi
diff --git a/arch/arm/dts/imx8qxp-capricorn.dtsi b/arch/arm/dts/imx8-capricorn.dtsi
similarity index 64%
rename from arch/arm/dts/imx8qxp-capricorn.dtsi
rename to arch/arm/dts/imx8-capricorn.dtsi
index db5653e..4918bf8 100644
--- a/arch/arm/dts/imx8qxp-capricorn.dtsi
+++ b/arch/arm/dts/imx8-capricorn.dtsi
@@ -9,124 +9,20 @@
 /dts-v1/;
 
 #include "fsl-imx8qxp.dtsi"
-#include "imx8qxp-capricorn-u-boot.dtsi"
+#include "imx8-capricorn-u-boot.dtsi"
 
 / {
-	model = "Siemens Giedi";
-	compatible = "siemens,capricorn", "fsl,imx8qxp";
-
 	chosen {
 		bootargs = "console=ttyLP2,115200 earlycon=lpuart32,0x5a080000,115200";
 		stdout-path = &lpuart2;
 	};
 
-	leds {
-		compatible = "gpio-leds";
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_gpio_leds>;
-
-		run {
-			label = "run";
-			gpios = <&gpio5 0 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		flt {
-			label = "flt";
-			gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		svc {
-			label = "svc";
-			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		com1_tx {
-			label = "com1-tx";
-			gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		com1_rx {
-			label = "com1-rx";
-			gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		com2_tx {
-			label = "com2-tx";
-			gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		com2_rx {
-			label = "com2-rx";
-			gpios = <&gpio0 29 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		cloud {
-			label = "cloud";
-			gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		wlan {
-			label = "wlan";
-			gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		dbg1 {
-			label = "dbg1";
-			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		dbg2 {
-			label = "dbg2";
-			gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		dbg3 {
-			label = "dbg3";
-			gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-
-		dbg4 {
-			label = "dbg4";
-			gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
-			default-state = "on";
-		};
-	};
 };
 
 &iomuxc {
 	pinctrl-names = "default";
 
 	muxcgrp: imx8qxp-som {
-		pinctrl_gpio_leds: gpioledsgrp {
-			fsl,pins = <
-			SC_P_ESAI0_FST_LSIO_GPIO0_IO01		0x06000021
-			SC_P_ESAI0_TX0_LSIO_GPIO0_IO04		0x06000021
-			SC_P_SAI0_TXC_LSIO_GPIO0_IO26		0x06000021
-			SC_P_SAI1_RXD_LSIO_GPIO0_IO29		0x06000021
-			SC_P_FLEXCAN1_RX_LSIO_GPIO1_IO17	0x06000021
-			SC_P_FLEXCAN1_TX_LSIO_GPIO1_IO18	0x06000021
-			SC_P_QSPI0B_SCLK_LSIO_GPIO3_IO17	0x06000021
-			SC_P_QSPI0B_DATA0_LSIO_GPIO3_IO18	0x06000021
-			SC_P_QSPI0B_DATA1_LSIO_GPIO3_IO19	0x06000021
-			SC_P_USB_SS3_TC0_LSIO_GPIO4_IO03	0x06000021
-			SC_P_ENET0_RGMII_TXD1_LSIO_GPIO5_IO00	0x06000021
-			SC_P_ENET0_RGMII_TXD2_LSIO_GPIO5_IO01	0x06000021
-			SC_P_ENET0_REFCLK_125M_25M_LSIO_GPIO5_IO09	0x06000021
-			>;
-		};
-
 		pinctrl_lpi2c0: lpi2c0grp {
 			fsl,pins = <
 			SC_P_MIPI_CSI0_GPIO0_00_ADMA_I2C0_SCL	0x0C000020
diff --git a/arch/arm/dts/imx8-deneb.dts b/arch/arm/dts/imx8-deneb.dts
deleted file mode 100644
index 04c764a..0000000
--- a/arch/arm/dts/imx8-deneb.dts
+++ /dev/null
@@ -1,10 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2019 Siemens AG
- */
-
-#include "imx8qxp-capricorn.dtsi"
-
-/ {
-	model = "Siemens Deneb";
-};
diff --git a/arch/arm/dts/imx8-giedi.dts b/arch/arm/dts/imx8-giedi.dts
deleted file mode 100644
index 0dbfef2..0000000
--- a/arch/arm/dts/imx8-giedi.dts
+++ /dev/null
@@ -1,10 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2019 Siemens AG
- */
-
-#include "imx8qxp-capricorn.dtsi"
-
-/ {
-	model = "Siemens Giedi";
-};