linux-kernel - [PATCH 5/5] ARM: dts: STiH407: Add B2120 board support

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Message-Id: <1393589841-6634-6-git-send-email-maxime.coquelin@st.com>
Date:	Fri, 28 Feb 2014 13:17:21 +0100
From:	Maxime COQUELIN <maxime.coquelin@...com>
To:	Rob Landley <rob@...dley.net>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Srinivas Kandagatla <srinivas.kandagatla@...com>,
	Stuart Menefy <stuart.menefy@...com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Maxime Coquelin <maxime.coquelin@...com>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kernel@...inux.com
Cc:	lee.jones@...aro.org
Subject: [PATCH 5/5] ARM: dts: STiH407: Add B2120 board support

B2120 HDK is the reference board for STiH407 SoC.
It has the following characteristics:
 - 1GB DDR3
 - 8GB eMMC / SD-Card slot
 - 32MB NOR Flash
 - 1 x Gbit Ethernet
 - 1 x USB 3.0 port
 - 1 x Mini-PCIe
 - 1 x SATA
 - 1 x HDMI output
 - 1 x HDMI input
 - 1 x SPDIF

This patch only introduces basic functionnalities, such as I2C and UART.

Signed-off-by: Maxime Coquelin <maxime.coquelin@...com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
---
 arch/arm/boot/dts/Makefile          |  3 +-
 arch/arm/boot/dts/stih407-b2120.dts | 78 +++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/stih407-b2120.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 0320303..d182b79 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -278,7 +278,8 @@ dtb-$(CONFIG_ARCH_SPEAR6XX)+= spear600-evb.dtb
 dtb-$(CONFIG_ARCH_STI)+= stih415-b2000.dtb \
 	stih416-b2000.dtb \
 	stih415-b2020.dtb \
-	stih416-b2020.dtb
+	stih416-b2020.dtb \
+	stih407-b2120.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += \
 	sun4i-a10-a1000.dtb \
 	sun4i-a10-cubieboard.dtb \
diff --git a/arch/arm/boot/dts/stih407-b2120.dts b/arch/arm/boot/dts/stih407-b2120.dts
new file mode 100644
index 0000000..9c97da4
--- /dev/null
+++ b/arch/arm/boot/dts/stih407-b2120.dts
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2014 STMicroelectronics (R&D) Limited.
+ * Author: Giuseppe Cavallaro <peppe.cavallaro@...com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/dts-v1/;
+#include "stih407.dtsi"
+/ {
+	model = "STiH407 B2120";
+	compatible = "st,stih407", "st,stih407-b2120";
+
+	chosen {
+		bootargs = "console=ttyAS0,115200";
+		linux,stdout-path = &sbc_serial0;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x40000000 0x80000000>;
+	};
+
+	aliases {
+		ttyAS0 = &sbc_serial0;
+	};
+
+	soc {
+		sbc_serial0: serial@...0000 {
+			status = "okay";
+		};
+
+		leds {
+			compatible = "gpio-leds";
+			red {
+				#gpio-cells = <2>;
+				label = "Front Panel LED";
+				gpios = <&PIO4 1 0>;
+				linux,default-trigger = "heartbeat";
+			};
+			green {
+				#gpio-cells = <2>;
+				gpios = <&PIO1 3 0>;
+				default-state = "off";
+			};
+		};
+
+		i2c@...2000 {
+			status = "okay";
+		};
+
+		i2c@...3000 {
+			status = "okay";
+		};
+
+		i2c@...4000 {
+			status = "okay";
+		};
+
+		i2c@...5000 {
+			status = "okay";
+		};
+
+		i2c@...0000 {
+			status = "okay";
+		};
+
+		/* SSC11 to HDMI */
+		i2c@...1000 {
+			status = "okay";
+			/* HDMI V1.3a supports Standard mode only */
+			clock-frequency = <100000>;
+			st,i2c-min-scl-pulse-width-us = <0>;
+			st,i2c-min-sda-pulse-width-us = <5>;
+		};
+	};
+};
-- 
1.9.0

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