[PATCH V3 01/19] ARM: dts: am57xx: cl-som-am57x: add basic module support

[robh@kernel.org (Rob Herring)]

On Tue, Dec 01, 2015 at 08:03:03PM +0200, Dmitry Lifshitz wrote:
> Add support for CompuLab CM-SOM-AM57X board.
> 
> CL-SOM-AM57x is a miniature System-on-Module (SoM) based on
> TI Sitara AM57x ARM Cortex-A15 System-on-Chip family.
> 
> https://www.compulab.co.il/products/computer-on-modules/cl-som-am57x-ti-am5728-am5718-system-on-module/
> 
> Add basic DT support for standalone module (without a carrier board):
> 
> * Memory configuration
> * Heartbeat led
> * I2C1 and I2C4
> * PMIC
> * SATA
> 
> Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
> Acked-by: Igor Grinberg <grinberg@compulab.co.il>

Acked-by: Rob Herring <robh@kernel.org>

> ---
>  v3:
>  
>    * Move PMIC to I2C4
>    * Reformat subject
>  
>  v2: 
> 
>    * Fixed voltages (for OPP_HIGH) for VDD_GPU, VDD_IVA, VDD_DSPEVE
>    * Added comments for VDDA_1V8_PHYA/B
>    * Add "regulator-always-on" property for ldousb_reg 
> 
>  .../devicetree/bindings/arm/omap/omap.txt          |   3 +
>  arch/arm/boot/dts/Makefile                         |   3 +-
>  arch/arm/boot/dts/am57xx-cl-som-am57x.dts          | 274 +++++++++++++++++++++
>  3 files changed, 279 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/boot/dts/am57xx-cl-som-am57x.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
> index da84372..dd53c90 100644
> --- a/Documentation/devicetree/bindings/arm/omap/omap.txt
> +++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
> @@ -156,6 +156,9 @@ Boards:
>  - AM437x SK EVM: AM437x StarterKit Evaluation Module
>    compatible = "ti,am437x-sk-evm", "ti,am4372", "ti,am43"
>  
> +- AM57XX CL-SOM-AM57x
> +  compatible = "compulab,cl-som-am57x", "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 5492a24..803a020 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -477,8 +477,9 @@ dtb-$(CONFIG_SOC_OMAP5) += \
>  	omap5-sbc-t54.dtb \
>  	omap5-uevm.dtb
>  dtb-$(CONFIG_SOC_DRA7XX) += \
> -	dra7-evm.dtb \
>  	am57xx-beagle-x15.dtb \
> +	am57xx-cl-som-am57x.dtb \
> +	dra7-evm.dtb \
>  	dra72-evm.dtb
>  dtb-$(CONFIG_ARCH_ORION5X) += \
>  	orion5x-lacie-d2-network.dtb \
> diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
> new file mode 100644
> index 0000000..087d62e
> --- /dev/null
> +++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
> @@ -0,0 +1,274 @@
> +/*
> + * Support for CompuLab CL-SOM-AM57x System-on-Module
> + *
> + * Copyright (C) 2015 CompuLab Ltd. - http://www.compulab.co.il/
> + * Author: Dmitry Lifshitz <lifshitz@compulab.co.il>
> + *
> + * 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 <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "dra74x.dtsi"
> +
> +/ {
> +	model = "CompuLab CL-SOM-AM57x";
> +	compatible = "compulab,cl-som-am57x", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7";
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x80000000 0x20000000>; /* 512 MB - minimal configuration */
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&leds_pins_default>;
> +
> +		led at 0 {
> +			label = "cl-som-am57x:green";
> +			gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +			default-state = "off";
> +		};
> +	};
> +};
> +
> +&dra7_pmx_core {
> +	leds_pins_default: leds_pins_default {
> +		pinctrl-single,pins = <
> +			DRA7XX_CORE_IOPAD(0x347c, PIN_OUTPUT | MUX_MODE14)	/* gpmc_a15.gpio2_5 */
> +		>;
> +	};
> +
> +	i2c1_pins_default: i2c1_pins_default {
> +		pinctrl-single,pins = <
> +			DRA7XX_CORE_IOPAD(0x3800, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c1_sda.sda */
> +			DRA7XX_CORE_IOPAD(0x3804, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c1_scl.scl */
> +		>;
> +	};
> +
> +	i2c4_pins_default: i2c4_pins_default {
> +		pinctrl-single,pins = <
> +			DRA7XX_CORE_IOPAD(0x36ac, PIN_INPUT| MUX_MODE10)	/* mcasp1_acl.i2c4_sda */
> +			DRA7XX_CORE_IOPAD(0x36b0, PIN_INPUT| MUX_MODE10)	/* mcasp1_fsr.i2c4_scl */
> +		>;
> +	};
> +
> +	tps659038_pins_default: tps659038_pins_default {
> +		pinctrl-single,pins = <
> +			DRA7XX_CORE_IOPAD(0x3818, PIN_INPUT_PULLUP | MUX_MODE14) /* wakeup0.gpio1_0 */
> +		>;
> +	};
> +};
> +
> +&i2c1 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c1_pins_default>;
> +	clock-frequency = <400000>;
> +};
> +
> +&i2c4 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c4_pins_default>;
> +	clock-frequency = <400000>;
> +
> +	tps659038: tps659038 at 58 {
> +		compatible = "ti,tps659038";
> +		reg = <0x58>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&tps659038_pins_default>;
> +
> +		#interrupt-cells = <2>;
> +		interrupt-controller;
> +
> +		ti,system-power-controller;
> +
> +		tps659038_pmic {
> +			compatible = "ti,tps659038-pmic";
> +
> +			regulators {
> +				smps12_reg: smps12 {
> +					/* VDD_MPU */
> +					regulator-name = "smps12";
> +					regulator-min-microvolt = < 850000>;
> +					regulator-max-microvolt = <1250000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				smps3_reg: smps3 {
> +					/* VDD_DDR */
> +					regulator-name = "smps3";
> +					regulator-min-microvolt = <1500000>;
> +					regulator-max-microvolt = <1500000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				smps45_reg: smps45 {
> +					/* VDD_DSPEVE */
> +					regulator-name = "smps45";
> +					regulator-min-microvolt = < 850000>;
> +					regulator-max-microvolt = <1250000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				smps6_reg: smps6 {
> +					/* VDD_GPU */
> +					regulator-name = "smps6";
> +					regulator-min-microvolt = < 850000>;
> +					regulator-max-microvolt = <1250000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				smps7_reg: smps7 {
> +					/* VDD_CORE */
> +					regulator-name = "smps7";
> +					regulator-min-microvolt = < 850000>;
> +					regulator-max-microvolt = <1160000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				smps8_reg: smps8 {
> +					/* VDD_IVA */
> +					regulator-name = "smps8";
> +					regulator-min-microvolt = < 850000>;
> +					regulator-max-microvolt = <1250000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				smps9_reg: smps9 {
> +					/* PMIC_3V3 */
> +					regulator-name = "smps9";
> +					regulator-min-microvolt = <3300000>;
> +					regulator-max-microvolt = <3300000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +
> +				ldo1_reg: ldo1 {
> +					/* VDD_SD / VDDSHV8  */
> +					regulator-name = "ldo1";
> +					regulator-min-microvolt = <1800000>;
> +					regulator-max-microvolt = <3300000>;
> +					regulator-boot-on;
> +					regulator-always-on;
> +				};
> +
> +				ldo2_reg: ldo2 {
> +					/* VDD_1V8 */
> +					regulator-name = "ldo2";
> +					regulator-min-microvolt = <1800000>;
> +					regulator-max-microvolt = <1800000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				ldo3_reg: ldo3 {
> +					/* VDDA_1V8_PHYA - supplies VDDA_SATA, VDDA_USB1/2/3 */
> +					regulator-name = "ldo3";
> +					regulator-min-microvolt = <1800000>;
> +					regulator-max-microvolt = <1800000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				ldo4_reg: ldo4 {
> +					/* VDDA_1V8_PHYB - supplies VDDA_HDMI, VDDA_PCIE/0/1 */
> +					regulator-name = "ldo4";
> +					regulator-min-microvolt = <1800000>;
> +					regulator-max-microvolt = <1800000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				ldo9_reg: ldo9 {
> +					/* VDD_RTC */
> +					regulator-name = "ldo9";
> +					regulator-min-microvolt = <1050000>;
> +					regulator-max-microvolt = <1050000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				ldoln_reg: ldoln {
> +					/* VDDA_1V8_PLL */
> +					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 */
> +					regulator-name = "ldousb";
> +					regulator-min-microvolt = <3300000>;
> +					regulator-max-microvolt = <3300000>;
> +					regulator-always-on;
> +					regulator-boot-on;
> +				};
> +
> +				/* regen1 not used */
> +			};
> +		};
> +
> +		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>;
> +		};
> +	};
> +};
> +
> +&cpu0 {
> +	cpu0-supply = <&smps12_reg>;
> +	voltage-tolerance = <1>;
> +};
> +
> +&sata {
> +	status = "okay";
> +};
> +
> +&mailbox5 {
> +	status = "okay";
> +	mbox_ipu1_ipc3x: mbox_ipu1_ipc3x {
> +		status = "okay";
> +	};
> +	mbox_dsp1_ipc3x: mbox_dsp1_ipc3x {
> +		status = "okay";
> +	};
> +};
> +
> +&mailbox6 {
> +	status = "okay";
> +	mbox_ipu2_ipc3x: mbox_ipu2_ipc3x {
> +		status = "okay";
> +	};
> +	mbox_dsp2_ipc3x: mbox_dsp2_ipc3x {
> +		status = "okay";
> +	};
> +};
> -- 
> 1.9.1
> 
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