From 227cadff47a2b00e91deb5b54f1fd551808d42ae Mon Sep 17 00:00:00 2001

From: Pantelis Antoniou <panto@antoniou-consulting.com>

Date: Fri, 28 Jun 2013 14:18:08 +0300

Subject: [PATCH 1/3] am335x: dts: Add beaglebone black DTS

Added the beaglebone black's DTS file. Note that at some point in

time we'll switch to using a common black.dtsi file.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>

---

 arch/arm/boot/dts/Makefile             |   3 +-

 arch/arm/boot/dts/am335x-boneblack.dts | 196 +++++++++++++++++++++++++++++++++

 2 files changed, 198 insertions(+), 1 deletion(-)

 create mode 100644 arch/arm/boot/dts/am335x-boneblack.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile

--- a/arch/arm/boot/dts/Makefile.orig	2013-07-17 11:51:55.510389342 +0100

+++ b/arch/arm/boot/dts/Makefile	2013-07-17 11:55:09.492689175 +0100

@@ -172,6 +172,7 @@

 	am335x-evm.dtb \

 	am335x-evmsk.dtb \

 	am335x-bone.dtb \

+	am335x-boneblack.dtb \

 	am3517-evm.dtb \

 	am3517_mt_ventoux.dtb \

 	am43x-epos-evm.dtb

diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts

new file mode 100644

index 0000000..d21e223

--- /dev/null

+++ b/arch/arm/boot/dts/am335x-boneblack.dts

@@ -0,0 +1,196 @@

+/*

+ * 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"

+

+/ {

+	model = "TI AM335x BeagleBone";

+	compatible = "ti,am335x-bone", "ti,am33xx";

+

+	cpus {

+		cpu@0 {

+			cpu0-supply = <&dcdc2_reg>;

+

+			/*

+			 * To consider voltage drop between PMIC and SoC,

+			 * tolerance value is reduced to 2% from 4% and

+			 * voltage value is increased as a precaution.

+			 */

+			operating-points = <

+				/* kHz    uV */

+				1000000	1350000

+				800000	1300000

+				600000  1112000

+				300000   969000

+			>;

+		};

+	};

+

+	memory {

+		device_type = "memory";

+		reg = <0x80000000 0x10000000>; /* 256 MB */

+	};

+

+	am33xx_pinmux: pinmux@44e10800 {

+		pinctrl-names = "default";

+		pinctrl-0 = <&user_leds_s0>;

+

+		user_leds_s0: user_leds_s0 {

+			pinctrl-single,pins = <

+				0x54 0x7	/* gpmc_a5.gpio1_21, OUTPUT | MODE7 */

+				0x58 0x17	/* gpmc_a6.gpio1_22, OUTPUT_PULLUP | MODE7 */

+				0x5c 0x7	/* gpmc_a7.gpio1_23, OUTPUT | MODE7 */

+				0x60 0x17	/* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */

+			>;

+		};

+

+		emmc2_pins: pinmux_emmc2_pins {

+			pinctrl-single,pins = <

+				0x80 0x32	/* gpmc_csn1.mmc1_clk, INPUT_PULLUP | MODE2 */

+				0x84 0x32	/* gpmc_csn2.mmc1_cmd, INPUT_PULLUP | MODE2 */

+				0x00 0x31	/* gpmc_ad0.mmc1_dat0, INPUT_PULLUP | MODE1 */

+				0x04 0x31	/* gpmc_ad1.mmc1_dat1, INPUT_PULLUP | MODE1 */

+				0x08 0x31	/* gpmc_ad2.mmc1_dat2, INPUT_PULLUP | MODE1 */

+				0x0c 0x31	/* gpmc_ad3.mmc1_dat3, INPUT_PULLUP | MODE1 */

+				0x10 0x31	/* gpmc_ad4.mmc1_dat4, INPUT_PULLUP | MODE1 */

+				0x14 0x31	/* gpmc_ad5.mmc1_dat5, INPUT_PULLUP | MODE1 */

+				0x18 0x31	/* gpmc_ad6.mmc1_dat6, INPUT_PULLUP | MODE1 */

+				0x1c 0x31	/* gpmc_ad7.mmc1_dat7, INPUT_PULLUP | MODE1 */

+				/* eMMC_RSTn */

+				0x50 0x17	/* gpmc_a4.gpio1_20, OUTPUT | MODE7 | PULLUP */

+			>;

+		};

+	};

+

+	ocp {

+		uart1: serial@44e09000 {

+			status = "okay";

+		};

+

+		i2c0: i2c@44e0b000 {

+			status = "okay";

+			clock-frequency = <400000>;

+

+			tps: tps@24 {

+				reg = <0x24>;

+			};

+

+		};

+	};

+

+	leds {

+		compatible = "gpio-leds";

+

+		led@2 {

+			label = "beaglebone:green:heartbeat";

+			gpios = <&gpio1 21 0>;

+			linux,default-trigger = "heartbeat";

+			default-state = "off";

+		};

+

+		led@3 {

+			label = "beaglebone:green:mmc0";

+			gpios = <&gpio1 22 0>;

+			linux,default-trigger = "mmc0";

+			default-state = "off";

+		};

+

+		led@4 {

+			label = "beaglebone:green:usr2";

+			gpios = <&gpio1 23 0>;

+			default-state = "off";

+		};

+

+		led@5 {

+			label = "beaglebone:green:usr3";

+			gpios = <&gpio1 24 0>;

+			default-state = "off";

+		};

+	};

+

+	vmmcsd_fixed: fixedregulator@0 {

+		compatible = "regulator-fixed";

+		regulator-name = "vmmcsd_fixed";

+		regulator-min-microvolt = <3300000>;

+		regulator-max-microvolt = <3300000>;

+	};

+

+};

+

+/include/ "tps65217.dtsi"

+

+&tps {

+	regulators {

+		dcdc1_reg: regulator@0 {

+			regulator-always-on;

+		};

+

+		dcdc2_reg: regulator@1 {

+			/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */

+			regulator-name = "vdd_mpu";

+			regulator-min-microvolt = <925000>;

+			regulator-max-microvolt = <1325000>;

+			regulator-boot-on;

+			regulator-always-on;

+		};

+

+		dcdc3_reg: regulator@2 {

+			/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */

+			regulator-name = "vdd_core";

+			regulator-min-microvolt = <925000>;

+			regulator-max-microvolt = <1150000>;

+			regulator-boot-on;

+			regulator-always-on;

+		};

+

+		ldo1_reg: regulator@3 {

+			regulator-always-on;

+		};

+

+		ldo2_reg: regulator@4 {

+			regulator-always-on;

+		};

+

+		ldo3_reg: regulator@5 {

+			regulator-min-microvolt = <1800000>;

+			regulator-max-microvolt = <1800000>;	/* orig 3.3V*/

+			regulator-always-on;

+		};

+

+		ldo4_reg: regulator@6 {

+			regulator-always-on;

+		};

+	};

+};

+

+&cpsw_emac0 {

+	phy_id = <&davinci_mdio>, <0>;

+};

+

+&cpsw_emac1 {

+	phy_id = <&davinci_mdio>, <1>;

+};

+

+&mmc1 {

+	status = "okay";

+	vmmc-supply = <&vmmcsd_fixed>;

+	ti,vcc-aux-disable-is-sleep;

+};

+

+&mmc2 {

+	pinctrl-names = "default";

+	pinctrl-0 = <&emmc2_pins>;	/* wrong numbering */

+	vmmc-supply = <&ldo3_reg>;

+	bus-width = <8>;

+	ti,non-removable;

+	status = "okay";

+	ti,vcc-aux-disable-is-sleep;

+

+	reset-gpio = <&gpio1 20 0x00>;

+};

-- 

1.8.2.1