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@xxxxxx>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
---
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 d109908..c8ad5f5 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -310,7 +310,8 @@ 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@xxxxxx>
+ *
+ * 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@9530000 {
+ 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@9842000 {
+ status = "okay";
+ };
+
+ i2c@9843000 {
+ status = "okay";
+ };
+
+ i2c@9844000 {
+ status = "okay";
+ };
+
+ i2c@9845000 {
+ status = "okay";
+ };
+
+ i2c@9540000 {
+ status = "okay";
+ };
+
+ /* SSC11 to HDMI */
+ i2c@9541000 {
+ 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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