* [PATCH v7] arm64: dts: Add spi bus dts
@ 2015-08-31 13:44 Leilk Liu
2015-09-08 8:59 ` Nicolas Boichat
0 siblings, 1 reply; 3+ messages in thread
From: Leilk Liu @ 2015-08-31 13:44 UTC (permalink / raw)
To: Matthias Brugger
Cc: Mark Brown, Mark Rutland, Sascha Hauer, devicetree, linux-kernel,
linux-arm-kernel, linux-spi, linux-mediatek, Leilk Liu
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(+)
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
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH v7] arm64: dts: Add spi bus dts
2015-08-31 13:44 [PATCH v7] arm64: dts: Add spi bus dts Leilk Liu
@ 2015-09-08 8:59 ` Nicolas Boichat
[not found] ` <CANMq1KBhg4j15=ik7F2MwgmyAQZgSz3QYWLivOhd8ZFuDfjHGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Nicolas Boichat @ 2015-09-08 8:59 UTC (permalink / raw)
To: Leilk Liu
Cc: Matthias Brugger, Mark Rutland, devicetree, Sascha Hauer,
linux-kernel, linux-spi, Mark Brown, linux-mediatek,
linux-arm-kernel
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
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-08-31 13:44 [PATCH v7] arm64: dts: Add spi bus dts Leilk Liu
2015-09-08 8:59 ` Nicolas Boichat
[not found] ` <CANMq1KBhg4j15=ik7F2MwgmyAQZgSz3QYWLivOhd8ZFuDfjHGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-27 13:05 ` Matthias Brugger
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