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Date: Tue, 8 Sep 2015 16:59:05 +0800
From: Nicolas Boichat <drinkcat@...omium.org>
To: Leilk Liu <leilk.liu@...iatek.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
Mark Rutland <mark.rutland@....com>,
devicetree@...r.kernel.org, Sascha Hauer <s.hauer@...gutronix.de>,
linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
Mark Brown <broonie@...nel.org>,
linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v7] arm64: dts: Add spi bus dts
On Mon, Aug 31, 2015 at 9:44 PM, Leilk Liu <leilk.liu@...iatek.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@...iatek.com>
Reviewed-and-Tested-by: Nicolas Boichat <drinkcat@...omium.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@...0a000 {
> + 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@...10000 {
> compatible = "mediatek,mt8173-i2c";
> reg = <0 0x11010000 0 0x70>,
> --
> 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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