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Date: Tue, 16 Jun 2015 20:20:14 +0800
From: Daniel Kurtz <djkurtz@...omium.org>
To: Chaotian Jing <chaotian.jing@...iatek.com>
Cc: Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Chris Ball <chris@...ntf.net>,
Ulf Hansson <ulf.hansson@...aro.org>,
Mark Rutland <mark.rutland@....com>,
James Liao <jamesjj.liao@...iatek.com>,
Russell King - ARM Linux <linux@....linux.org.uk>,
srv_heupstream <srv_heupstream@...iatek.com>,
Arnd Bergmann <arnd@...db.de>,
"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
Hongzhou Yang <hongzhou.yang@...iatek.com>,
Catalin Marinas <catalin.marinas@....com>,
bin.zhang@...iatek.com, linux-mmc@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Will Deacon <will.deacon@....com>, linux-gpio@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
Sascha Hauer <kernel@...gutronix.de>,
"Joe.C" <yingjoe.chen@...iatek.com>,
Eddie Huang <eddie.huang@...iatek.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Henry Chen <henryc.chen@...iatek.com>
Subject: Re: [PATCH v6 4/7] arm64: dts: mediatek: Add MT8173 MMC dts
On Tue, Jun 16, 2015 at 7:39 PM, Daniel Kurtz <djkurtz@...omium.org> wrote:
> Hi Chaotian,
>
> On Mon, Jun 15, 2015 at 7:20 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>
>> ---
>> arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 126 ++++++++++++++++++++++++++++
>> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 45 +++++++++-
>> 2 files changed, 170 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
>> index b1560c9..762ec61 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
>> +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
>> @@ -33,6 +33,132 @@
>> chosen { };
>> };
>>
>> +&mmc0 {
>> + pinctrl-names = "default", "state_uhs";
>> + pinctrl-0 = <&mmc0_pins_default>;
>> + pinctrl-1 = <&mmc0_pins_uhs>;
>> + status = "okay";
>> + bus-width = <8>;
>> + max-frequency = <50000000>;
>> + cap-mmc-highspeed;
>> + vmmc-supply = <&mt6397_vemc_3v3_reg>;
>> + vqmmc-supply = <&mt6397_vio18_reg>;
I also can't find phandles for these regulators.
>> + non-removable;
>> +};
>> +
>> +&mmc1 {
>> + pinctrl-names = "default", "state_uhs";
>> + pinctrl-0 = <&mmc1_pins_default>;
>> + pinctrl-1 = <&mmc1_pins_uhs>;
>> + status = "okay";
>> + 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>;
nor these regulators.
Which kernel branch are you basing your patch set on?
Thanks,
-Dan
>> +};
>> +
>> +&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{
>> + 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 {
>> + 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>;
>> + drive-strength = <MTK_DRIVE_4mA>;
>> + bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
>> + };
>> + };
>> +};
>> +
>> &pwrap {
>> pmic: mt6397 {
>> compatible = "mediatek,mt6397";
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> index 512e4eb..56ea429 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> @@ -288,7 +288,50 @@
>> reg = <0 0x19000000 0 0x1000>;
>> #clock-cells = <1>;
>> };
>> - };
>>
>> + mmc0: mmc@...30000 {
>> + compatible = "mediatek,mt8173-mmc",
>> + "mediatek,mt8135-mmc";
>> + reg = <0 0x11230000 0 0x1000>;
>> + interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_LOW>;
>> + clocks = <&pericfg CLK_PERI_MSDC30_0>,
>> + <&topckgen CLK_TOP_MSDC50_0_H_SEL>;
>> + clock-names = "source", "hclk";
>> + status = "disabled";
>> + };
>> +
>> + mmc1: mmc@...40000 {
>> + compatible = "mediatek,mt8173-mmc",
>> + "mediatek,mt8135-mmc";
>> + reg = <0 0x11240000 0 0x1000>;
>> + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_LOW>;
>> + clocks = <&pericfg CLK_PERI_MSDC30_1>,
>> + <&clk_null>;
>
> This requires a "clk_null" phandle, but I have not seen a patch adding
> that on the public list.
> Did I miss a patch?
>
> -Dan
>
>> + clock-names = "source", "hclk";
>> + status = "disabled";
>> + };
>> +
>> + mmc2: mmc@...50000 {
>> + compatible = "mediatek,mt8173-mmc",
>> + "mediatek,mt8135-mmc";
>> + reg = <0 0x11250000 0 0x1000>;
>> + interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_LOW>;
>> + clocks = <&pericfg CLK_PERI_MSDC30_2>,
>> + <&clk_null>;
>> + clock-names = "source", "hclk";
>> + status = "disabled";
>> + };
>> +
>> + mmc3: mmc@...60000 {
>> + compatible = "mediatek,mt8173-mmc",
>> + "mediatek,mt8135-mmc";
>> + reg = <0 0x11260000 0 0x1000>;
>> + interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_LOW>;
>> + clocks = <&pericfg CLK_PERI_MSDC30_3>,
>> + <&topckgen CLK_TOP_MSDC50_2_H_SEL>;
>> + clock-names = "source", "hclk";
>> + status = "disabled";
>> + };
>> + };
>> };
>>
>> --
>> 1.8.1.1.dirty
>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> Linux-mediatek@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek
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