linux-kernel - Re: [PATCH 2/3] arm64: dts: amlogic: add some device nodes for C3

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Message-ID: <a1aa292d-6d61-4cb9-8343-6f38258c176f@kernel.org>
Date: Tue, 6 Aug 2024 15:13:34 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: xianwei.zhao@...ogic.com, Neil Armstrong <neil.armstrong@...aro.org>,
 Jerome Brunet <jbrunet@...libre.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Chuan Liu <chuan.liu@...ogic.com>,
 Kevin Hilman <khilman@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] arm64: dts: amlogic: add some device nodes for C3

On 06/08/2024 12:27, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao@...ogic.com>
> 
> Add some device nodes for SoC C3, including periphs clock controller
> node, PLL clock controller node, SPICC node, regulator node, NAND
> controller node, sdcard node, Ethernet MAC and PHY node.
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
> ---
>  .../boot/dts/amlogic/amlogic-c3-c302x-aw409.dts    | 249 +++++++++++
>  arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi        | 487 ++++++++++++++++++++-
>  2 files changed, 735 insertions(+), 1 deletion(-)
> 


...


> +
> +			sd: mmc@...00 {
> +				compatible = "amlogic,meson-axg-mmc";
> +				reg = <0x0 0x8a000 0x0 0x800>;
> +				interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
> +				power-domains = <&pwrc PWRC_C3_SDCARD_ID>;
> +				clocks = <&clkc_periphs CLKID_SYS_SD_EMMC_B>,
> +					<&clkc_periphs CLKID_SD_EMMC_B>,
> +					<&clkc_pll CLKID_FCLK_DIV2>;
> +				clock-names = "core", "clkin0", "clkin1";
> +				no-mmc;
> +				no-sdio;

Hm? Why are these blocks incomplete that they do not handle SDIO? Aren't
you putting board properties into SoC?

Best regards,
Krzysztof