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SubjectRe: [PATCHv3 1/3] ARM: dts: Add board dts file for Exynos3250-based Rinato board
Hi Krzysztof,

On 10/24/2014 08:57 PM, Krzysztof Kozłowski wrote:
> On 24.10.2014 13:39, Chanwoo Choi wrote:
>> This patch add support for device tree sources for Samsung Rinato baord
>> (Gear 2) based on Exynos3250 SoC.
>>
>> This dts file support following features:
>> - eMMC
>> - Main PMIC (Samsung S2MPS14)
>> - Interface PMIC (Maxim MAX77836, MUIC, fuel-gauge, charger)
>> - RTC of Exynos3250
>> - ADC of Exynos3250 with NTC thermistor
>> - I2S of Exynos3250
>> - TMU of Exynos3250
>> - MFC of Exynos3250
>> - Secure firmware for Exynos3250 secondary cpu boot
>> - Serial ports of Exynos3250
>> - gpio-key for power key
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>> Signed-off-by: Inki Dae <inki.dae@samsung.com>
>> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
>> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
>> ---
>> arch/arm/boot/dts/Makefile | 3 +-
>> arch/arm/boot/dts/exynos3250-rinato.dts | 433 ++++++++++++++++++++++++++++++++
>> 2 files changed, 435 insertions(+), 1 deletion(-)
>> create mode 100644 arch/arm/boot/dts/exynos3250-rinato.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index 4a75e29..91cd4d0 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -67,7 +67,8 @@ dtb-$(CONFIG_ARCH_BRCMSTB) += \
>> dtb-$(CONFIG_ARCH_DAVINCI) += da850-enbw-cmc.dtb \
>> da850-evm.dtb
>> dtb-$(CONFIG_ARCH_EFM32) += efm32gg-dk3750.dtb
>> -dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
>> +dtb-$(CONFIG_ARCH_EXYNOS) += exynos3250-rinato.dtb \
>> + exynos4210-origen.dtb \
>> exynos4210-smdkv310.dtb \
>> exynos4210-trats.dtb \
>> exynos4210-universal_c210.dtb \
>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>> new file mode 100644
>> index 0000000..be0ba8d
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>> @@ -0,0 +1,433 @@
>> +/*
>> + * Samsung's Exynos3250 based Rinato board device tree source
>> + *
>> + * Copyright (c) 2014 Samsung Electronics Co., Ltd.
>> + * http://www.samsung.com
>> + *
>> + * Device tree source file for Samsung's Rinato 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.dtsi"
>> +#include <dt-bindings/input/input.h>
>> +
>> +/ {
>> + model = "Samsung Rinato board";
>> + compatible = "samsung,rinato", "samsung,exynos3250", "samsung,exynos3";
>> +
>> + aliases {
>> + i2c7 = &i2c_max77836;
>> + };
>> +
>> + memory {
>> + reg = <0x40000000 0x1ff00000>;
>> + };
>> +
>> + chosen {
>> + bootargs = "console=ttySAC1,115200N8 root=/dev/mmcblk0p15 rootwait earlyprintk panic=5";
>> + };
>> +
>> + firmware@0205F000 {
>> + compatible = "samsung,secure-firmware";
>> + reg = <0x0205F000 0x1000>;
>> + };
>> +
>> + gpio_keys {
>> + compatible = "gpio-keys";
>> +
>> + power_key {
>> + interrupt-parent = <&gpx2>;
>> + interrupts = <7 0>;
>> + gpios = <&gpx2 7 1>;
>> + linux,code = <KEY_POWER>;
>> + label = "power key";
>> + debounce-interval = <10>;
>> + gpio-key,wakeup;
>> + };
>> + };
>> +
>> + vemmc_reg: voltage-regulator-0 {
>> + compatible = "regulator-fixed";
>> + regulator-name = "V_EMMC_2.8V-fixed";
>> + regulator-min-microvolt = <2800000>;
>> + regulator-max-microvolt = <2800000>;
>> + gpio = <&gpk0 2 0>;
>> + enable-active-high;
>> + };
>
> Hi Chanwoo,
>
> I wonder if this regulator-fixed is needed. The LDO11 and LDO12 has
> external GPIO control set up. So maybe this could be removed?

OK, I'll remove 'vemmc_reg' and then use ldo12_reg insead of 'vemmc_reg' on mshc_0 dt node.

Best Regards,
Chanwoo Choi


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