[PATCH v6] arm64: dts: Add spi bus dts

Daniel Kurtz djkurtz at chromium.org
Thu Aug 27 20:02:29 PDT 2015


Matthias,

On Mon, Aug 17, 2015 at 12:32 PM, Daniel Kurtz <djkurtz at chromium.org> wrote:
> On Mon, Aug 17, 2015 at 11:29 AM, Leilk Liu <leilk.liu at mediatek.com> wrote:
>>
>> This patch adds MT8173 spi bus controllers into device tree.
>>
>> Signed-off-by: Leilk Liu <leilk.liu at mediatek.com>
>
> Reviewed-by: Daniel Kurtz <djkurtz at chromium.org>

The other SPI patches have already been picked up in broonie's spi tree.
Can you pick this one into your mediatek tree?

Thanks.
-Dan

>
>> ---
>> Change in this patch:
>> pinctl and pad-select fields are board specific, so move to
>> mt8173-evb.dtsi, and status = "okay".
>> ---
>>  arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++
>>  arch/arm64/boot/dts/mediatek/mt8173.dtsi    | 12 ++++++++++++
>>  2 files changed, 30 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
>> index 4be66ca..811cb76 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
>> +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
>> @@ -387,6 +387,24 @@
>>         };
>>  };
>>
>> +&pio {
>> +       spi_pins_a: spi0 {
>> +               pins_spi {
>> +                       pinmux = <MT8173_PIN_69_SPI_CK__FUNC_SPI_CK_0_>,
>> +                               <MT8173_PIN_70_SPI_MI__FUNC_SPI_MI_0_>,
>> +                               <MT8173_PIN_71_SPI_MO__FUNC_SPI_MO_0_>,
>> +                               <MT8173_PIN_72_SPI_CS__FUNC_SPI_CS_0_>;
>> +               };
>> +       };
>> +};
>> +
>> +&spi {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&spi_pins_a>;
>> +       mediatek,pad-select = <0>;
>> +       status = "okay";
>> +};
>> +
>>  &uart0 {
>>         status = "okay";
>>  };
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> index d18ee42..3dfb6ed 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> @@ -365,6 +365,18 @@
>>                         status = "disabled";
>>                 };
>>
>> +               spi: spi at 1100a000 {
>> +                       compatible = "mediatek,mt8173-spi";
>> +                       #address-cells = <1>;
>> +                       #size-cells = <0>;
>> +                       reg = <0 0x1100a000 0 0x1000>;
>> +                       interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
>> +                       clocks = <&topckgen CLK_TOP_SPI_SEL>,
>> +                                <&topckgen CLK_TOP_SYSPLL3_D2>;
>> +                       clock-names = "spi-clk", "parent-clk";
>> +                       status = "disabled";
>> +               };
>> +
>>                 i2c3: i2c3 at 11010000 {
>>                         compatible = "mediatek,mt8173-i2c";
>>                         reg = <0 0x11010000 0 0x70>,
>> --
>> 1.8.1.1.dirty
>>
>> --
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