[PATCH V2] ARM: dts: AM572x-IDK Initial Support

From: Nishanth Menon
Date: Mon Mar 28 2016 - 12:36:16 EST

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From: Schuyler Patton <spatton@xxxxxx>

The AM572x-IDK board is a board based on TI's AM5728 SOC
which has a dual core 1.5GHz A15 processor. This board is a
development platform for the Industrial market with:
- 2GB of DDR3L
- Dual 1Gbps Ethernet
- HDMI,
- PRU-ICSS
- uSD
- 16GB eMMC
- CAN
- RS-485
- PCIe
- USB3.0
- Video Input Port
- Industrial IO port and expansion connector

The link to the data sheet and TRM can be found here:

http://www.ti.com/product/AM5728

This patch creates a common dtsi file that will provide a common board
dtsi file to define the nodes that are common to AM57xx (including the
upcoming AM5718) IDK boards.

Initial support is only for basic peripherals

Signed-off-by: Schuyler Patton <spatton@xxxxxx>
Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
based on v4.6-rc1

Changes since V1:
- Renamed the led nodes
- Dropped unused src_clk_x1 node (will introduce when needed).

Test: http://pastebin.ubuntu.com/15540747/

V1: https://patchwork.kernel.org/patch/8665181/

.../devicetree/bindings/arm/omap/omap.txt | 3 +
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/am572x-idk.dts | 85 ++++++
arch/arm/boot/dts/am57xx-idk-common.dtsi | 302 +++++++++++++++++++++
4 files changed, 391 insertions(+)
create mode 100644 arch/arm/boot/dts/am572x-idk.dts
create mode 100644 arch/arm/boot/dts/am57xx-idk-common.dtsi

diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
index 21e71a5e866e..38659aa35ce3 100644
--- a/Documentation/devicetree/bindings/arm/omap/omap.txt
+++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
@@ -169,6 +169,9 @@ Boards:
- AM57XX SBC-AM57x
compatible = "compulab,sbc-am57x", "compulab,cl-som-am57x", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"

+- AM5728 IDK
+ compatible = "ti,am5728-idk", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"
+
- DRA742 EVM: Software Development Board for DRA742
compatible = "ti,dra7-evm", "ti,dra742", "ti,dra74", "ti,dra7"

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 95c1923ce6fa..4341df332a4f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -526,6 +526,7 @@ dtb-$(CONFIG_SOC_DRA7XX) += \
am57xx-beagle-x15.dtb \
am57xx-cl-som-am57x.dtb \
am57xx-sbc-am57x.dtb \
+ am572x-idk.dtb \
dra7-evm.dtb \
dra72-evm.dtb
dtb-$(CONFIG_ARCH_ORION5X) += \
diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts
new file mode 100644
index 000000000000..e3acb99703e1
--- /dev/null
+++ b/arch/arm/boot/dts/am572x-idk.dts
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2015-2016 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 "dra74x.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "am57xx-idk-common.dtsi"
+
+/ {
+ model = "TI AM5728 IDK";
+ compatible = "ti,am5728-idk", "ti,am5728", "ti,dra742", "ti,dra74",
+ "ti,dra7";
+
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x80000000>;
+ };
+
+ extcon_usb2: extcon_usb2 {
+ compatible = "linux,extcon-usb-gpio";
+ id-gpio = <&gpio3 16 GPIO_ACTIVE_HIGH>;
+ };
+
+ status-leds {
+ compatible = "gpio-leds";
+ cpu0-led {
+ label = "status0:red:cpu0";
+ gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ linux,default-trigger = "cpu0";
+ };
+
+ usr0-led {
+ label = "status0:green:usr";
+ gpios = <&gpio3 11 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ heartbeat-led {
+ label = "status0:blue:heartbeat";
+ gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ linux,default-trigger = "heartbeat";
+ };
+
+ cpu1-led {
+ label = "status1:red:cpu1";
+ gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ linux,default-trigger = "cpu1";
+ };
+
+ usr1-led {
+ label = "status1:green:usr";
+ gpios = <&gpio7 23 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ mmc0-led {
+ label = "status1:blue:mmc0";
+ gpios = <&gpio7 22 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ linux,default-trigger = "mmc0";
+ };
+ };
+};
+
+&omap_dwc3_2 {
+ extcon = <&extcon_usb2>;
+};
+
+&mmc1 {
+ status = "okay";
+ vmmc-supply = <&v3_3d>;
+ vmmc_aux-supply = <&ldo1_reg>;
+ bus-width = <4>;
+ cd-gpios = <&gpio6 27 0>; /* gpio 219 */
+};
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi
new file mode 100644
index 000000000000..2805b68f3e0b
--- /dev/null
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -0,0 +1,302 @@
+/*
+ * Copyright (C) 2015-2016 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.
+ */
+
+/ {
+ aliases {
+ rtc0 = &tps659038_rtc;
+ rtc1 = &rtc;
+ };
+
+ vmain: fixedregulator-vmain {
+ compatible = "regulator-fixed";
+ regulator-name = "VMAIN";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ v3_3d: fixedregulator-v3_3d {
+ compatible = "regulator-fixed";
+ regulator-name = "V3_3D";
+ vin-supply = <&smps9_reg>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vtt_fixed: fixedregulator-vtt {
+ /* TPS51200 */
+ compatible = "regulator-fixed";
+ regulator-name = "vtt_fixed";
+ vin-supply = <&v3_3d>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+};
+
+&i2c1 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ tps659038: tps659038@58 {
+ compatible = "ti,tps659038";
+ reg = <0x58>;
+ interrupts-extended = <&gpio6 16 IRQ_TYPE_LEVEL_HIGH
+ &dra7_pmx_core 0x418>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ ti,system-power-controller;
+
+ tps659038_pmic {
+ compatible = "ti,tps659038-pmic";
+ regulators {
+ smps12_reg: smps12 {
+ /* VDD_MPU */
+ vin-supply = <&vmain>;
+ regulator-name = "smps12";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <1250000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ smps3_reg: smps3 {
+ /* VDD_DDR EMIF1 EMIF2 */
+ vin-supply = <&vmain>;
+ regulator-name = "smps3";
+ regulator-min-microvolt = <1350000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ smps45_reg: smps45 {
+ /* VDD_DSPEVE on AM572 */
+ /* VDD_IVA + VDD_DSP on AM571 */
+ vin-supply = <&vmain>;
+ regulator-name = "smps45";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <1250000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ smps6_reg: smps6 {
+ /* VDD_GPU */
+ vin-supply = <&vmain>;
+ regulator-name = "smps6";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <1250000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ smps7_reg: smps7 {
+ /* VDD_CORE */
+ vin-supply = <&vmain>;
+ regulator-name = "smps7";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <1150000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ smps8_reg: smps8 {
+ /* 5728 - VDD_IVAHD */
+ /* 5718 - N.C. test point */
+ vin-supply = <&vmain>;
+ regulator-name = "smps8";
+ };
+
+ smps9_reg: smps9 {
+ /* VDD_3_3D */
+ vin-supply = <&vmain>;
+ regulator-name = "smps9";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo1_reg: ldo1 {
+ /* VDDSHV8 - VSDMMC */
+ /* NOTE: on rev 1.3a, data supply */
+ vin-supply = <&vmain>;
+ regulator-name = "ldo1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2_reg: ldo2 {
+ /* VDDSH18V */
+ vin-supply = <&vmain>;
+ regulator-name = "ldo2";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo3_reg: ldo3 {
+ /* R1.3a 572x V1_8PHY_LDO3: USB, SATA */
+ vin-supply = <&vmain>;
+ regulator-name = "ldo3";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo4_reg: ldo4 {
+ /* R1.3a 572x V1_8PHY_LDO4: PCIE, HDMI*/
+ vin-supply = <&vmain>;
+ regulator-name = "ldo4";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ /* LDO5-8 unused */
+
+ ldo9_reg: ldo9 {
+ /* VDD_RTC */
+ vin-supply = <&vmain>;
+ regulator-name = "ldo9";
+ regulator-min-microvolt = <840000>;
+ regulator-max-microvolt = <1160000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldoln_reg: ldoln {
+ /* VDDA_1V8_PLL */
+ vin-supply = <&vmain>;
+ regulator-name = "ldoln";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldousb_reg: ldousb {
+ /* VDDA_3V_USB: VDDA_USBHS33 */
+ vin-supply = <&vmain>;
+ regulator-name = "ldousb";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldortc_reg: ldortc {
+ /* VDDA_RTC */
+ vin-supply = <&vmain>;
+ regulator-name = "ldortc";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ regen1: regen1 {
+ /* VDD_3V3_ON */
+ regulator-name = "regen1";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ regen2: regen2 {
+ /* Needed for PMIC internal resource */
+ regulator-name = "regen2";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+
+ tps659038_rtc: tps659038_rtc {
+ compatible = "ti,palmas-rtc";
+ interrupt-parent = <&tps659038>;
+ interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+ wakeup-source;
+ };
+
+ tps659038_pwr_button: tps659038_pwr_button {
+ compatible = "ti,palmas-pwrbutton";
+ interrupt-parent = <&tps659038>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+ wakeup-source;
+ ti,palmas-long-press-seconds = <12>;
+ };
+
+ tps659038_gpio: tps659038_gpio {
+ compatible = "ti,palmas-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+};
+
+&uart3 {
+ status = "okay";
+ interrupts-extended = <&crossbar_mpu GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH
+ &dra7_pmx_core 0x248>;
+};
+
+&rtc {
+ status = "okay";
+ ext-clk-src;
+};
+
+&mac {
+ status = "okay";
+ dual_emac;
+};
+
+&cpsw_emac0 {
+ phy_id = <&davinci_mdio>, <0>;
+ phy-mode = "rgmii";
+ dual_emac_res_vlan = <1>;
+};
+
+&cpsw_emac1 {
+ phy_id = <&davinci_mdio>, <1>;
+ phy-mode = "rgmii";
+ dual_emac_res_vlan = <2>;
+};
+
+&usb2_phy1 {
+ phy-supply = <&ldousb_reg>;
+};
+
+&usb2_phy2 {
+ phy-supply = <&ldousb_reg>;
+};
+
+&usb1 {
+ dr_mode = "host";
+};
+
+&usb2 {
+ dr_mode = "otg";
+};
+
+&mmc2 {
+ status = "okay";
+ vmmc-supply = <&v3_3d>;
+ bus-width = <8>;
+ ti,non-removable;
+ max-frequency = <96000000>;
+};
--
2.8.0.rc3

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