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Date:	Tue, 15 Mar 2016 11:33:54 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>, kgene@...nel.org,
	s.nawrocki@...sung.com, tomasz.figa@...il.com
Cc:	jh80.chung@...sung.com, andi.shyti@...sung.com,
	inki.dae@...sung.com, sw0312.kim@...sung.com,
	pankaj.dubey@...sung.com, linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v2 5/7] ARM: dts: Add exynos3250-artik5 dtsi file for
 ARTIK5 module

On 15.03.2016 11:08, Chanwoo Choi wrote:
> This patch adds the support for Device Tree source for Samsung ARTIK5 module[1]
> based on Exynos3250 SoC. The ARTIK5 module includes the follwoing devices:
> - Application Processor (Samsung Exynos3250)
> - WiFi/BT Combo chip (Broadcom4354)
> - PMIC (Samsung S2MPS14)
> - eMMC (4GB)
> - DRAM LPDDR3 (512MB)
> - Connectors pin (60 Pins x 3 set)
> 
> Also, this patch adds the ARTIK5 evaluation board[2] dts file which includes
> the ARTIK5 module[1] and have the devices such as sound codec, sd card port,
> ethernet port, uart port and so on.
> 
> [1] https://www.artik.io/hardware/artik-5
> [2] http://www.digikey.com/product-search/en?FV=ffecca14
> 
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> Signed-off-by: Jaehoon Chung <jh80.chung@...sung.com>
> Signed-off-by: Andi Shyti <andi.shyti@...sung.com>
> ---
>  .../bindings/arm/samsung/samsung-boards.txt        |   2 +
>  arch/arm/boot/dts/Makefile                         |   1 +
>  arch/arm/boot/dts/exynos3250-artik5-eval.dts       |  26 ++
>  arch/arm/boot/dts/exynos3250-artik5.dtsi           | 334 +++++++++++++++++++++
>  4 files changed, 363 insertions(+)
>  create mode 100644 arch/arm/boot/dts/exynos3250-artik5-eval.dts
>  create mode 100644 arch/arm/boot/dts/exynos3250-artik5.dtsi
> 
> diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> index 12129c011c8f..f5deace2b380 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> @@ -2,6 +2,8 @@
>  
>  Required root node properties:
>      - compatible = should be one or more of the following.
> +	- "samsung,artik5"	- for Exynos3250-based Samsung ARTIK5 module.
> +	- "samsung,artik5-eval" - for Exynos3250-based Samsung ARTIK5 eval board.
>  	- "samsung,monk"	- for Exynos3250-based Samsung Simband board.
>  	- "samsung,rinato"	- for Exynos3250-based Samsung Gear2 board.
>  	- "samsung,smdkv310"	- for Exynos4210-based Samsung SMDKV310 eval board.
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index a4a6d70e8b26..85cd586ea3d2 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -108,6 +108,7 @@ dtb-$(CONFIG_ARCH_DIGICOLOR) += \
>  dtb-$(CONFIG_ARCH_EFM32) += \
>  	efm32gg-dk3750.dtb
>  dtb-$(CONFIG_ARCH_EXYNOS3) += \
> +	exynos3250-artik5-eval.dtb \
>  	exynos3250-monk.dtb \
>  	exynos3250-rinato.dtb
>  dtb-$(CONFIG_ARCH_EXYNOS4) += \
> diff --git a/arch/arm/boot/dts/exynos3250-artik5-eval.dts b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
> new file mode 100644
> index 000000000000..b476154590a5
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
> @@ -0,0 +1,26 @@
> +/*
> + * Samsung's Exynos3250 based ARTIK5 evaluation board device tree source
> + *
> + * Copyright (c) 2016 Samsung Electronics Co., Ltd.
> + *		http://www.samsung.com
> + *
> + * Device tree source file for Samsung's ARTIK5 evaluation board
> + * which is based on Samsung Exynos3250 SoC.
> + *
> + * 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 "exynos3250-artik5.dtsi"
> +
> +/ {
> +	model = "Samsung ARTIK5 evaluation board";
> +	compatible = "samsung,artik5-eval", "samsung,artik5",
> +			"samsung,exynos3250", "samsung,exynos3";
> +};
> +
> +&serial_2 {
> +	status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> new file mode 100644
> index 000000000000..206625ba8cf2
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> @@ -0,0 +1,334 @@
> +/*
> + * Samsung's Exynos3250 based ARTIK5 module device tree source
> + *
> + * Copyright (c) 2016 Samsung Electronics Co., Ltd.
> + *		http://www.samsung.com
> + *
> + * Device tree source file for Samsung's ARTIK5 module which is based on
> + * Samsung Exynos3250 SoC.
> + *
> + * 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.
> + */
> +
> +#include "exynos3250.dtsi"
> +#include <dt-bindings/clock/samsung,s2mps11.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/gpio/gpio.h>

Alphabetical order for dt-bindings includes: interrupt at the end.

> +
> +/ {
> +	compatible = "samsung,artik5", "samsung,exynos3250", "samsung,exynos3";
> +
> +	chosen {
> +		stdout-path = &serial_2;
> +	};
> +
> +	memory {
> +		reg = <0x40000000 0x1ff00000>;
> +	};
> +
> +	firmware@...5F000 {

I meant same case for every hex, also in device node.

> +		compatible = "samsung,secure-firmware";
> +		reg = <0x0205f000 0x1000>;
> +	};
> +
> +	thermal-zones {
> +		cpu_thermal: cpu-thermal {
> +			cooling-maps {
> +				map0 {
> +					/* Corresponds to 500MHz */
> +					cooling-device = <&cpu0 5 5>;
> +				};
> +				map1 {
> +					/* Corresponds to 200MHz */
> +					cooling-device = <&cpu0 8 8>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&adc {
> +	vdd-supply = <&ldo7_reg>;
> +	assigned-clocks = <&cmu CLK_SCLK_TSADC>;
> +	assigned-clock-rates = <6000000>;
> +};
> +
> +&cpu0 {
> +	cpu0-supply = <&buck2_reg>;
> +};
> +
> +&i2c_0 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	samsung,i2c-sda-delay = <100>;
> +	samsung,i2c-slave-addr = <0x10>;
> +	samsung,i2c-max-bus-freq = <100000>;
> +	status = "okay";
> +
> +	s2mps14_pmic@66 {
> +		compatible = "samsung,s2mps14-pmic";
> +		interrupt-parent = <&gpx3>;
> +		interrupts = <5 IRQ_TYPE_NONE>;
> +		reg = <0x66>;
> +
> +		s2mps14_osc: clocks {
> +			compatible = "samsung,s2mps14-clk";
> +			#clock-cells = <1>;
> +			clock-output-names = "s2mps14_ap", "unused",
> +				"s2mps14_bt";
> +		};
> +
> +		regulators {
> +			ldo1_reg: LDO1 {
> +				/* VDD_ALIVE15x */
> +				regulator-name = "VLDO1_1.0V";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo2_reg: LDO2 {
> +				/* VDDQM176 ~ VDDQM185 */
> +				regulator-name = "VLDO2_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo3_reg: LDO3 {
> +				/*
> +				 * VDD1_E106 ~ VDD1_E111
> +				 * DVDD_RTC_AP, DVDD_MMC2_AP
> +				 */
> +				regulator-name = "VLDO3_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo4_reg: LDO4 {
> +				/*  AVDD_PLL1120 ~ AVDD_PLL11201 */
> +				regulator-name = "VLDO4_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo5_reg: LDO5 {
> +				/* VDDI_PLL_ISO141 ~ VDDI_PLL_ISO142 */
> +				regulator-name = "VLDO5_1.0V";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo6_reg: LDO6 {
> +				/* VDD_USB, VDD10_HSIC */
> +				regulator-name = "VLDO6_1.0V";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo7_reg: LDO7 {
> +				/*
> +				 * VDD18P, AVDD18_TS, AVDD18_HSIC, AVDD_PLL2,
> +				 * AVDD_ADC, AVDD_ABB_0, M4S_VDD18
> +				 */
> +				regulator-name = "VLDO7_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo8_reg: LDO8 {
> +				/* AVDD33_UOTG */
> +				regulator-name = "VLDO8_3.0V";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3000000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo9_reg: LDO9 {
> +				/* VDDQ_E86 ~ VDDQ_E105*/
> +				regulator-name = "VLDO9_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			ldo10_reg: LDO10 {
> +				regulator-name = "VLDO10_1.0V";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +			};
> +
> +			ldo11_reg: LDO11 {
> +				/* VDD74 ~ VDD75 */
> +				regulator-name = "VLDO11_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				samsung,ext-control-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>;
> +			};
> +
> +			ldo12_reg: LDO12 {
> +				/* VDD72 ~ VDD73 */
> +				regulator-name = "VLDO12_2.8V";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				samsung,ext-control-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>;
> +			};
> +
> +			ldo13_reg: LDO13 {
> +				regulator-name = "VLDO13_2.8V";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +			};
> +
> +			ldo14_reg: LDO14 {
> +				regulator-name = "VLDO14_2.7V";
> +				regulator-min-microvolt = <2700000>;
> +				regulator-max-microvolt = <2700000>;
> +			};
> +
> +			ldo15_reg: LDO15 {
> +				regulator-name = "VLDO_3.3V";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +
> +			ldo16_reg: LDO16 {
> +				regulator-name = "VLDO16_3.3V";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +
> +			ldo17_reg: LDO17 {
> +				regulator-name = "VLDO17_3.0V";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3000000>;
> +			};
> +
> +			ldo18_reg: LDO18 {
> +				/* DVDD_MMC2_AP */
> +				regulator-name = "VLDO18_2.8V";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +			};
> +
> +			ldo19_reg: LDO19 {
> +				regulator-name = "VLDO19_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			ldo20_reg: LDO20 {
> +				regulator-name = "VLDO20_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			ldo21_reg: LDO21 {
> +				regulator-name = "VLDO21_1.25V";
> +				regulator-min-microvolt = <1250000>;
> +				regulator-max-microvolt = <1250000>;
> +			};
> +
> +			ldo22_reg: LDO22 {
> +				regulator-name = "VLDO22_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +			};
> +
> +			ldo23_reg: LDO23 {
> +				/* Xi2c3_SDA/SCL, Xi2c7_SDA/SCL, WLAN_SDIO */
> +				regulator-name = "VLDO23_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			ldo24_reg: LDO24 {
> +				regulator-name = "VLDO24_3.0V";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3000000>;
> +			};
> +
> +			ldo25_reg: LDO25 {
> +				regulator-name = "VLDO25_3.0V";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3000000>;
> +			};
> +
> +			buck1_reg: BUCK1 {
> +				/* VDD_MIF */
> +				regulator-name = "VBUCK1_1.0V";
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +			};
> +
> +			buck2_reg: BUCK2 {
> +				/* VDD_CPU */
> +				regulator-name = "VBUCK2_1.2V";
> +				regulator-min-microvolt = <850000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			buck3_reg: BUCK3 {
> +				/* VDD_G3D */
> +				regulator-name = "VBUCK3_1.0V";
> +				regulator-min-microvolt = <850000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +			};
> +
> +			buck4_reg: BUCK4 {
> +				regulator-name = "VBUCK4_1.95V";
> +				regulator-min-microvolt = <1950000>;
> +				regulator-max-microvolt = <1950000>;
> +				regulator-always-on;
> +			};
> +
> +			buck5_reg: BUCK5 {
> +				regulator-name = "VBUCK5_1.35V";
> +				regulator-min-microvolt = <1350000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-always-on;
> +			};
> +		};
> +	};
> +};
> +
> +&mshc_0 {
> +	num-slots = <1>;
> +	non-removable;
> +	cap-mmc-highspeed;
> +	card-detect-delay = <200>;
> +	vmmc-supply = <&ldo12_reg>;
> +	clock-frequency = <100000000>;
> +	clock-freq-min-max = <400000 100000000>;
> +	samsung,dw-mshc-ciu-div = <1>;
> +	samsung,dw-mshc-sdr-timing = <0 1>;
> +	samsung,dw-mshc-ddr-timing = <1 2>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
> +	bus-width = <8>;
> +	status = "okay";
> +};
> +
> +&tmu {
> +	status = "okay";
> +};
> +
> +&rtc {
> +	clocks = <&cmu CLK_RTC>, <&s2mps14_osc S2MPS11_CLK_AP>;
> +	clock-names = "rtc", "rtc_src";
> +	status = "okay";
> +};

Alphabetical order please, so rtc before tmu.

These are minor nits, so no need to resend. I can fix them when applying
(but if resend happens then please fix them).

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>



Best regards,

Krzysztof

> +
> +&xusbxti {
> +	clock-frequency = <24000000>;
> +};
> 

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