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From patchwork Fri Sep 25 15:10:31 2015
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: ARM: dts: Add am335x-bonegreen
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From: Robert Nelson <robertcnelson@gmail.com>
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X-Patchwork-Id: 7265851
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Message-Id: <1443193831-5693-1-git-send-email-robertcnelson@gmail.com>
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To: tony@atomide.com, devicetree@vger.kernel.org
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Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
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Robert Nelson <robertcnelson@gmail.com>, Jason Kridner <jkridner@gmail.com>
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Date: Fri, 25 Sep 2015 10:10:31 -0500
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SeeedStudio BeagleBone Green (BBG) is clone of the BeagleBone Black (BBB) minus
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the HDMI port and addition of two Grove connectors (i2c2 and usart2).
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This board can be identified by the 1A value after A335BNLT (BBB) in the at24 eeprom:
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1A: [aa 55 33 ee 41 33 33 35 42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
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http://beagleboard.org/green
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http://www.seeedstudio.com/wiki/Beaglebone_green
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Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
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CC: Tony Lindgren <tony@atomide.com>
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CC: Jason Kridner <jkridner@gmail.com>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/am335x-bonegreen.dts | 53 ++++++++++++++++++++++++++++++++++
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2 files changed, 54 insertions(+)
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create mode 100644 arch/arm/boot/dts/am335x-bonegreen.dts
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index 233159d..e45d771 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -446,6 +446,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \
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am335x-base0033.dtb \
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am335x-bone.dtb \
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am335x-boneblack.dtb \
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+ am335x-bonegreen.dtb \
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am335x-sl50.dtb \
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am335x-evm.dtb \
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am335x-evmsk.dtb \
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diff --git a/arch/arm/boot/dts/am335x-bonegreen.dts b/arch/arm/boot/dts/am335x-bonegreen.dts
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new file mode 100644
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index 0000000..0f65bda
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--- /dev/null
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+++ b/arch/arm/boot/dts/am335x-bonegreen.dts
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@@ -0,0 +1,53 @@
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+/*
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+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+/dts-v1/;
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+
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+#include "am33xx.dtsi"
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+#include "am335x-bone-common.dtsi"
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+
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+/ {
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+ model = "TI AM335x BeagleBone Green";
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+ compatible = "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
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+};
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+
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+&ldo3_reg {
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ regulator-always-on;
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+};
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+
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+&mmc1 {
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+ vmmc-supply = <&vmmcsd_fixed>;
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+};
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+
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+&mmc2 {
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+ vmmc-supply = <&vmmcsd_fixed>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&emmc_pins>;
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+ bus-width = <8>;
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+ status = "okay";
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+};
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+
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+&am33xx_pinmux {
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+ uart2_pins: uart2_pins {
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+ pinctrl-single,pins = <
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+ 0x150 (PIN_INPUT | MUX_MODE1) /* spi0_sclk.uart2_rxd */
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+ 0x154 (PIN_OUTPUT | MUX_MODE1) /* spi0_d0.uart2_txd */
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+ >;
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+ };
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+};
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+
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+&uart2 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart2_pins>;
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+ status = "okay";
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+};
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+
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+&rtc {
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+ system-power-controller;
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+};
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