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Message-ID: <CAGS+omBxP5LBMZuayRUDYW3bBrRe17up2E559YJFL6Sq4tx5Jg@mail.gmail.com>
Date: Thu, 16 Jul 2015 23:16:59 +0800
From: Daniel Kurtz <djkurtz@...omium.org>
To: Chaotian Jing <chaotian.jing@...iatek.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
Ulf Hansson <ulf.hansson@...aro.org>,
Sascha Hauer <kernel@...gutronix.de>,
"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
linux-mediatek@...ts.infradead.org,
Eddie Huang <eddie.huang@...iatek.com>,
HenryC Chen <henryc.chen@...iatek.com>
Subject: Re: [PATCH] arm64: dts: mediatek: Add MT8173 MMC dts
Hi Chaotian,
On Thu, Jul 16, 2015 at 7:36 PM, Chaotian Jing
<chaotian.jing@...iatek.com> wrote:
> From: Eddie Huang <eddie.huang@...iatek.com>
>
> Add node mmc0 ~ mmc3 for mt8173.dtsi
> Add node mmc0, mmc1 for mt8173-evb.dts
>
> Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>
> Signed-off-by: Eddie Huang <eddie.huang@...iatek.com>
> ---
> Remove clk_null
> Base on 4.2-rc1, and https://github.com/mbgg/linux-mediatek/tree/v4.2-next/arm64 commit 16ea61fc arm64: dts: mt8173-evb: Add PMIC support
> arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 126 ++++++++++++++++++++++++++++
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 44 ++++++++++
> 2 files changed, 170 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> index 986f25f..f76c99b 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> @@ -64,6 +64,132 @@
> };
> };
>
> +&mmc0 {
> + status = "okay";
> + pinctrl-names = "default", "state_uhs";
> + pinctrl-0 = <&mmc0_pins_default>;
> + pinctrl-1 = <&mmc0_pins_uhs>;
> + bus-width = <8>;
> + max-frequency = <50000000>;
> + cap-mmc-highspeed;
> + vmmc-supply = <&mt6397_vemc_3v3_reg>;
> + vqmmc-supply = <&mt6397_vio18_reg>;
> + non-removable;
> +};
> +
> +&mmc1 {
> + status = "okay";
> + pinctrl-names = "default", "state_uhs";
> + pinctrl-0 = <&mmc1_pins_default>;
> + pinctrl-1 = <&mmc1_pins_uhs>;
> + bus-width = <4>;
> + max-frequency = <50000000>;
> + cap-sd-highspeed;
> + sd-uhs-sdr25;
> + cd-gpios = <&pio 132 0>;
> + vmmc-supply = <&mt6397_vmch_reg>;
> + vqmmc-supply = <&mt6397_vmc_reg>;
> +};
> +
> +&pio {
> + mmc0_pins_default: mmc0default {
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_57_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
> + <MT8173_PIN_58_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
> + <MT8173_PIN_59_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
> + <MT8173_PIN_60_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
> + <MT8173_PIN_61_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
> + <MT8173_PIN_62_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
> + <MT8173_PIN_63_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
> + <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
> + <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
> + input-enable;
> + bias-pull-up;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
> + bias-pull-down;
> + };
> +
> + pins_rst {
> + pinmux = <MT8173_PIN_68_MSDC0_RST___FUNC_MSDC0_RSTB>;
> + bias-pull-up;
> + };
> + };
> +
> + mmc1_pins_default: mmc1default {
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_73_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
> + <MT8173_PIN_74_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
> + <MT8173_PIN_75_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
> + <MT8173_PIN_76_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
> + <MT8173_PIN_78_MSDC1_CMD__FUNC_MSDC1_CMD>;
> + input-enable;
> + drive-strength = <MTK_DRIVE_4mA>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_77_MSDC1_CLK__FUNC_MSDC1_CLK>;
> + bias-pull-down;
> + drive-strength = <MTK_DRIVE_4mA>;
> + };
> +
> + pins_insert {
> + pinmux = <MT8173_PIN_132_I2S0_DATA1__FUNC_GPIO132>;
> + bias-pull-up;
> + };
> + };
> +
> + mmc0_pins_uhs: mmc0@0{
(1) I don't think these "@0" are needed (here and for mmc1_pins_uhs)
(2) A space before the '{' would be nice.
Other than these tiny nits, this one is:
Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_57_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
> + <MT8173_PIN_58_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
> + <MT8173_PIN_59_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
> + <MT8173_PIN_60_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
> + <MT8173_PIN_61_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
> + <MT8173_PIN_62_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
> + <MT8173_PIN_63_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
> + <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
> + <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
> + input-enable;
> + drive-strength = <MTK_DRIVE_2mA>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
> + drive-strength = <MTK_DRIVE_2mA>;
> + bias-pull-down = <MTK_PUPD_SET_R1R0_01>;
> + };
> +
> + pins_rst {
> + pinmux = <MT8173_PIN_68_MSDC0_RST___FUNC_MSDC0_RSTB>;
> + bias-pull-up;
> + };
> + };
> +
> + mmc1_pins_uhs: mmc1@0 {
--
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