linux-kernel - Re: [PATCH v1 1/1] arm64: dts: mt6779: add spi host dts nodes

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Message-ID: <1612097459.484.5.camel@mtkswgap22>
Date:   Sun, 31 Jan 2021 20:50:59 +0800
From:   Hanks Chen <hanks.chen@...iatek.com>
To:     Mason Zhang <mason.zhang@...iatek.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/1] arm64: dts: mt6779: add spi host dts nodes

On Tue, 2021-01-26 at 21:18 +0800, Mason Zhang wrote:
> From: mtk22786 <Mason.Zhang@...iatek.com>
> 
> this patch add spi host dts nodes for mt6779 IC.
> 
> Change-Id: If4a3cbb09843f472210b390352db4b9886f5c00c
> Signed-off-by: Mason Zhang <mason.zhang@...iatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt6779.dtsi | 96 ++++++++++++++++++++++++
>  1 file changed, 96 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt6779.dtsi b/arch/arm64/boot/dts/mediatek/mt6779.dtsi
> index 370f309d32de..272f4346d35e 100644
> --- a/arch/arm64/boot/dts/mediatek/mt6779.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt6779.dtsi
> @@ -219,6 +219,102 @@
>  			status = "disabled";
>  		};
>  
> +		spi0: spi0@...0a000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";

add the compatible string into the SPI binding 

> +			mediatek,pad-select = <0>;
> +			reg = <0 0x1100a000 0 0x1000>;
> +			interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_LOW>;

add 4th value into interrupts property to support PPI partition 
(0 for SPI)
interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_LOW 0>;

Regards,
Hanks Chen
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				<&topckgen CLK_TOP_SPI>,
> +				<&infracfg_ao CLK_INFRA_SPI0>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi1: spi1@...10000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x11010000 0 0x1000>;
> +			interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				<&topckgen CLK_TOP_SPI>,
> +				<&infracfg_ao CLK_INFRA_SPI1>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi2: spi2@...12000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x11012000 0 0x1000>;
> +			interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				 <&topckgen CLK_TOP_SPI>,
> +				<&infracfg_ao CLK_INFRA_SPI2>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi3: spi3@...13000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x11013000 0 0x1000>;
> +			interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				 <&topckgen CLK_TOP_SPI>,
> +				 <&infracfg_ao CLK_INFRA_SPI3>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi4: spi4@...18000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x11018000 0 0x1000>;
> +			interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				 <&topckgen CLK_TOP_SPI>,
> +				 <&infracfg_ao CLK_INFRA_SPI4>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi5: spi5@...19000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x11019000 0 0x1000>;
> +			interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				<&topckgen CLK_TOP_SPI>,
> +				<&infracfg_ao CLK_INFRA_SPI5>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi6: spi6@...1d000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x1101d000 0 0x1000>;
> +			interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				 <&topckgen CLK_TOP_SPI>,
> +				 <&infracfg_ao CLK_INFRA_SPI6>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
> +		spi7: spi7@...1e000 {
> +			compatible = "mediatek,mt6779-spi",
> +				     "mediatek,mt6765-spi";
> +			mediatek,pad-select = <0>;
> +			reg = <0 0x1101e000 0 0x1000>;
> +			interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MAINPLL_D5_D2>,
> +				 <&topckgen CLK_TOP_SPI>,
> +				 <&infracfg_ao CLK_INFRA_SPI7>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +		};
> +
>  		audio: clock-controller@...10000 {
>  			compatible = "mediatek,mt6779-audio", "syscon";
>  			reg = <0 0x11210000 0 0x1000>;