diff mbox

[v7] arm64: dts: Add spi bus dts

Message ID 1441028659-19068-1-git-send-email-leilk.liu@mediatek.com (mailing list archive)
State New, archived
Headers show

Commit Message

Leilk Liu Aug. 31, 2015, 1:44 p.m. UTC 
This patch adds MT8173 spi bus controllers into device tree.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
---
Change in this patch:
1. fix spi clock flow usage error.
---
 arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt8173.dtsi    | 13 +++++++++++++
 2 files changed, 31 insertions(+)

Comments

Nicolas Boichat Sept. 8, 2015, 8:59 a.m. UTC | #1 
On Mon, Aug 31, 2015 at 9:44 PM, Leilk Liu <leilk.liu@mediatek.com> wrote:
> This patch adds MT8173 spi bus controllers into device tree.

The corresponding SPI driver has already been merged in
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git .

> Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>

Reviewed-and-Tested-by: Nicolas Boichat <drinkcat@chromium.org>

> ---
> Change in this patch:
> 1. fix spi clock flow usage error.
> ---
>  arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++
>  arch/arm64/boot/dts/mediatek/mt8173.dtsi    | 13 +++++++++++++
>  2 files changed, 31 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..fcb4860 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -365,6 +365,19 @@
>                         status = "disabled";
>                 };
>
> +               spi: spi@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_SYSPLL3_D2>,
> +                                <&topckgen CLK_TOP_SPI_SEL>,
> +                                <&pericfg CLK_PERI_SPI0>;
> +                       clock-names = "parent-clk", "sel-clk", "spi-clk";
> +                       status = "disabled";
> +               };
> +
>                 i2c3: i2c3@11010000 {
>                         compatible = "mediatek,mt8173-i2c";
>                         reg = <0 0x11010000 0 0x70>,
> --
> 1.8.1.1.dirty
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
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Matthias Brugger Sept. 27, 2015, 1:05 p.m. UTC | #2 
On 08/09/15 10:59, Nicolas Boichat wrote:
> On Mon, Aug 31, 2015 at 9:44 PM, Leilk Liu <leilk.liu@mediatek.com> wrote:
>> This patch adds MT8173 spi bus controllers into device tree.
>
> The corresponding SPI driver has already been merged in
> git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git .
>
>> Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
>
> Reviewed-and-Tested-by: Nicolas Boichat <drinkcat@chromium.org>

Applied, thanks.

>
>> ---
>> Change in this patch:
>> 1. fix spi clock flow usage error.
>> ---
>>   arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++
>>   arch/arm64/boot/dts/mediatek/mt8173.dtsi    | 13 +++++++++++++
>>   2 files changed, 31 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..fcb4860 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> @@ -365,6 +365,19 @@
>>                          status = "disabled";
>>                  };
>>
>> +               spi: spi@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_SYSPLL3_D2>,
>> +                                <&topckgen CLK_TOP_SPI_SEL>,
>> +                                <&pericfg CLK_PERI_SPI0>;
>> +                       clock-names = "parent-clk", "sel-clk", "spi-clk";
>> +                       status = "disabled";
>> +               };
>> +
>>                  i2c3: i2c3@11010000 {
>>                          compatible = "mediatek,mt8173-i2c";
>>                          reg = <0 0x11010000 0 0x70>,
>> --
>> 1.8.1.1.dirty
>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> Linux-mediatek@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek
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diff mbox

Patch

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..fcb4860 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -365,6 +365,19 @@ 
 			status = "disabled";
 		};
 
+		spi: spi@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_SYSPLL3_D2>,
+				 <&topckgen CLK_TOP_SPI_SEL>,
+				 <&pericfg CLK_PERI_SPI0>;
+			clock-names = "parent-clk", "sel-clk", "spi-clk";
+			status = "disabled";
+		};
+
 		i2c3: i2c3@11010000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11010000 0 0x70>,