linux-kernel - Re: [PATCH V3] arm64: dts: sprd: Add support for Unisoc's UMS512

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Date:   Mon, 6 Mar 2023 07:43:06 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chunyan Zhang <chunyan.zhang@...soc.com>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     devicetree@...r.kernel.org,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V3] arm64: dts: sprd: Add support for Unisoc's UMS512

On 06/03/2023 07:04, Chunyan Zhang wrote:
> Add basic support for Unisoc's UMS512, with this patch,
> the board ums512-1h10 can run into console.
> 
> Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
> ---
> Changes since V2:
> * Removed redundant gpio.h from ums512-1h10.dts
> 
> Changes since v1:
> * Addressed comments:
>   - Removed earlycon bootargs;
>   - Moved up gic reg as second property;
>   - Moved two sdio nodes under to the apb bus node;
>   - Renamed node name of all fixed clocks;
>   - Fixed warnings reported by dtbs_check.

Please always mention  under --- why you do not send a binding for new
board compatible.

> ---
>  arch/arm64/boot/dts/sprd/Makefile        |   3 +-
>  arch/arm64/boot/dts/sprd/ums512-1h10.dts |  61 ++
>  arch/arm64/boot/dts/sprd/ums512.dtsi     | 911 +++++++++++++++++++++++
>  3 files changed, 974 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm64/boot/dts/sprd/ums512-1h10.dts
>  create mode 100644 arch/arm64/boot/dts/sprd/ums512.dtsi
> 

(...)
		};
> +
> +		apb@...00000 {
> +			compatible = "simple-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges = <0 0x0 0x70000000 0x10000000>;
> +
> +			uart0: serial@0 {
> +				compatible = "sprd,ums512-uart",
> +					     "sprd,sc9836-uart";
> +				reg = <0x0 0x100>;
> +				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&ext_26m>;
> +				status = "disabled";
> +			};
> +
> +			uart1: serial@...000 {
> +				compatible = "sprd,ums512-uart",
> +					     "sprd,sc9836-uart";
> +				reg = <0x100000 0x100>;
> +				interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&ext_26m>;
> +				status = "disabled";
> +			};
> +
> +			sdio0: sdio@...0000 {

Isn't the node name required to be "mmc"?

> +				compatible = "sprd,sdhci-r11";
> +				reg = <0x1100000 0x1000>;
> +				interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
> +				clock-names = "sdio", "enable";
> +				clocks = <&ap_clk CLK_SDIO0_2X>,
> +					 <&apapb_gate CLK_SDIO0_EB>;
> +				assigned-clocks = <&ap_clk CLK_SDIO0_2X>;
> +				assigned-clock-parents = <&pll1 CLK_RPLL>;
> +				status = "disabled";
> +			};
> +
> +			sdio3: sdio@...0000 {

Same problem.


Best regards,
Krzysztof