rpms/kernel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
e5e32bcc33
kernel/arm-omap-bbb-dts.patch

231 lines
5.6 KiB
Diff
Raw Normal View History

Add patch for BeagleBone Black DTB
2013-07-17 10:59:25 +00:00
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
Reference in New Issue Copy Permalink