[PATCH 09/10] dts: upstream: arm: st: add STM32H747 discovery board

[Johannes Krottmayer]

Add initial device tree for the STM32H747 discovery board.
Copied from the STM32H743 discovery board and modified for
the STM32H747 discovery board.

Signed-off-by: Johannes Krottmayer <johannes at krotti42.com>
Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
Cc: Patrice Chotard <patrice.chotard at foss.st.com>
---
 dts/upstream/src/arm/st/stm32h747i-disco.dts | 115 +++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 dts/upstream/src/arm/st/stm32h747i-disco.dts

diff --git a/dts/upstream/src/arm/st/stm32h747i-disco.dts b/dts/upstream/src/arm/st/stm32h747i-disco.dts
new file mode 100644
index 00000000000..2a4398bf897
--- /dev/null
+++ b/dts/upstream/src/arm/st/stm32h747i-disco.dts
@@ -0,0 +1,115 @@
+/*
+ * Copied from the STM32H743 discovery board and modified for
+ * the STM32H747 discovery board.
+ *
+ * Original author and license:
+ * Copyright 2017 - Patrice Chotard <patrice.chotard at st.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "stm32h743.dtsi"
+#include "stm32h7-pinctrl.dtsi"
+
+/ {
+	model = "STMicroelectronics STM32H747i-Discovery board";
+	compatible = "st,stm32h747i-disco", "st,stm32h747";
+
+	chosen {
+		bootargs = "root=/dev/ram";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory at d0000000 {
+		device_type = "memory";
+		reg = <0xd0000000 0x2000000>;
+	};
+
+	aliases {
+		serial0 = &usart1;
+	};
+
+	v3v3: regulator-v3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "v3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+};
+
+&clk_hse {
+	clock-frequency = <25000000>;
+};
+
+&mac {
+	status = "disabled";
+	pinctrl-0 = <&ethernet_rmii>;
+	pinctrl-names = "default";
+	phy-mode = "rmii";
+	phy-handle = <&phy0>;
+
+	mdio0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+		phy0: ethernet-phy at 0 {
+			reg = <0>;
+		};
+	};
+};
+
+&sdmmc1 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+	broken-cd;
+	st,neg-edge;
+	bus-width = <4>;
+	vmmc-supply = <&v3v3>;
+	status = "okay";
+};
+
+&usart1 {
+	pinctrl-0 = <&usart1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
-- 
2.39.5