From patchwork Fri Sep 25 15:10:31 2015
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Subject: ARM: dts: Add am335x-bonegreen
From: Robert Nelson <robertcnelson@gmail.com>
X-Patchwork-Id: 7265851
Message-Id: <1443193831-5693-1-git-send-email-robertcnelson@gmail.com>
To: tony@atomide.com, devicetree@vger.kernel.org
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Robert Nelson <robertcnelson@gmail.com>, Jason Kridner <jkridner@gmail.com>
Date: Fri, 25 Sep 2015 10:10:31 -0500
SeeedStudio BeagleBone Green (BBG) is clone of the BeagleBone Black (BBB) minus
the HDMI port and addition of two Grove connectors (i2c2 and usart2).
This board can be identified by the 1A value after A335BNLT (BBB) in the at24 eeprom:
1A: [aa 55 33 ee 41 33 33 35 42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
http://beagleboard.org/green
http://www.seeedstudio.com/wiki/Beaglebone_green
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
CC: Tony Lindgren <tony@atomide.com>
CC: Jason Kridner <jkridner@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/am335x-bonegreen.dts | 53 ++++++++++++++++++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644 arch/arm/boot/dts/am335x-bonegreen.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 233159d..e45d771 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -446,6 +446,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \
am335x-base0033.dtb \
am335x-bone.dtb \
am335x-boneblack.dtb \
+ am335x-bonegreen.dtb \
am335x-sl50.dtb \
am335x-evm.dtb \
am335x-evmsk.dtb \
diff --git a/arch/arm/boot/dts/am335x-bonegreen.dts b/arch/arm/boot/dts/am335x-bonegreen.dts
new file mode 100644
index 0000000..0f65bda
--- /dev/null
+++ b/arch/arm/boot/dts/am335x-bonegreen.dts
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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 "am33xx.dtsi"
+#include "am335x-bone-common.dtsi"
+
+/ {
+ model = "TI AM335x BeagleBone Green";
+ compatible = "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
+};
+
+&ldo3_reg {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+};
+
+&mmc1 {
+ vmmc-supply = <&vmmcsd_fixed>;
+};
+
+&mmc2 {
+ vmmc-supply = <&vmmcsd_fixed>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_pins>;
+ bus-width = <8>;
+ status = "okay";
+};
+
+&am33xx_pinmux {
+ uart2_pins: uart2_pins {
+ pinctrl-single,pins = <
+ 0x150 (PIN_INPUT | MUX_MODE1) /* spi0_sclk.uart2_rxd */
+ 0x154 (PIN_OUTPUT | MUX_MODE1) /* spi0_d0.uart2_txd */
+ >;
+ };
+};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>;
+ status = "okay";
+};
+
+&rtc {
+ system-power-controller;
+};