linux-kernel - Re: [PATCH v3 5/5] riscv: dts: allwinner: d1: Add SPI controllers node

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Message-ID: <20230507105210.1deba8c1@slackpad.lan>
Date:   Sun, 7 May 2023 10:52:10 +0100
From:   Andre Przywara <andre.przywara@....com>
To:     Maksim Kiselev <bigunclemax@...il.com>
Cc:     Icenowy Zheng <icenowy@...c.io>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        Maxime Ripard <mripard@...nel.org>, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 5/5] riscv: dts: allwinner: d1: Add SPI controllers
 node

On Sun,  7 May 2023 02:26:08 +0300
Maksim Kiselev <bigunclemax@...il.com> wrote:

> Some boards form the MangoPi family (MQ\MQ-Dual\MQ-R) may have
> an optional SPI flash that connects to the SPI0 controller.
> 
> This controller is the same for R329/D1/R528/T113s SoCs and
> should be supported by the sun50i-r329-spi driver.
> 
> So let's add its DT nodes.
> 
> Signed-off-by: Maksim Kiselev <bigunclemax@...il.com>
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Looks alright, thanks for the changes:

Reviewed-by: Andre Przywara <andre.przywara@....com>

Cheers,
Andre

> ---
>  .../boot/dts/allwinner/sunxi-d1s-t113.dtsi    | 37 +++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> index 922e8e0e2c09..1bb1e5cae602 100644
> --- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> +++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> @@ -108,6 +108,12 @@ rmii_pe_pins: rmii-pe-pins {
>  				function = "emac";
>  			};
>  
> +			/omit-if-no-ref/
> +			spi0_pins: spi0-pins {
> +				pins = "PC2", "PC3", "PC4", "PC5";
> +				function = "spi0";
> +			};
> +
>  			/omit-if-no-ref/
>  			uart1_pg6_pins: uart1-pg6-pins {
>  				pins = "PG6", "PG7";
> @@ -447,6 +453,37 @@ mmc2: mmc@...2000 {
>  			#size-cells = <0>;
>  		};
>  
> +		spi0: spi@...5000 {
> +			compatible = "allwinner,sun20i-d1-spi",
> +				     "allwinner,sun50i-r329-spi";
> +			reg = <0x04025000 0x1000>;
> +			interrupts = <SOC_PERIPHERAL_IRQ(15) IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>;
> +			clock-names = "ahb", "mod";
> +			dmas = <&dma 22>, <&dma 22>;
> +			dma-names = "rx", "tx";
> +			resets = <&ccu RST_BUS_SPI0>;
> +			status = "disabled";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
> +		spi1: spi@...6000 {
> +			compatible = "allwinner,sun20i-d1-spi-dbi",
> +				     "allwinner,sun50i-r329-spi-dbi",
> +				     "allwinner,sun50i-r329-spi";
> +			reg = <0x04026000 0x1000>;
> +			interrupts = <SOC_PERIPHERAL_IRQ(16) IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>;
> +			clock-names = "ahb", "mod";
> +			dmas = <&dma 23>, <&dma 23>;
> +			dma-names = "rx", "tx";
> +			resets = <&ccu RST_BUS_SPI1>;
> +			status = "disabled";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
>  		usb_otg: usb@...0000 {
>  			compatible = "allwinner,sun20i-d1-musb",
>  				     "allwinner,sun8i-a33-musb";