linux-kernel - Re: [PATCH] dt-bindings: nand: meson: fix controller clock

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Message-ID: <20220106091246.08ca66e0@xps13>
Date:   Thu, 6 Jan 2022 09:12:46 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Liang Yang <liang.yang@...ogic.com>
Cc:     Vignesh Raghavendra <vigneshr@...com>,
        <linux-mtd@...ts.infradead.org>,
        Richard Weinberger <richard@....at>,
        Jerome Brunet <jbrunet@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        XianWei Zhao <xianwei.zhao@...ogic.com>,
        Kelvin Zhang <kelvin.zhang@...ogic.com>,
        BiChao Zheng <bichao.zheng@...ogic.com>,
        YongHui Yu <yonghui.yu@...ogic.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: nand: meson: fix controller clock



liang.yang@...ogic.com wrote on Thu, 6 Jan 2022 11:31:30 +0800:

> Change-Id: I1425b491d8b95061e1ce358ef33143433fc94d24
> ---
>  .../bindings/mtd/amlogic,meson-nand.txt        | 18 +++---------------

I forgot to mention, while you're at it, after fixing the bindings,
could you please convert it to yaml?

>  1 file changed, 3 insertions(+), 15 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
> index 5794ab1147c1..37f16fe4fe66 100644
> --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
> +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
> @@ -14,11 +14,6 @@ Required properties:
>  - clock-names: Should contain the following:
>  	"core" - NFC module gate clock
>  	"device" - device clock from eMMC sub clock controller
> -	"rx" - rx clock phase
> -	"tx" - tx clock phase
> -
> -- amlogic,mmc-syscon	: Required for NAND clocks, it's shared with SD/eMMC
> -				controller port C
>  
>  Optional children nodes:
>  Children nodes represent the available nand chips.
> @@ -28,11 +23,6 @@ see Documentation/devicetree/bindings/mtd/nand-controller.yaml for generic bindi
>  
>  Example demonstrate on AXG SoC:
>  
> -	sd_emmc_c_clkc: mmc@...0 {
> -		compatible = "amlogic,meson-axg-mmc-clkc", "syscon";
> -		reg = <0x0 0x7000 0x0 0x800>;
> -	};
> -
>  	nand-controller@...0 {
>  		compatible = "amlogic,meson-axg-nfc";
>  		reg = <0x0 0x7800 0x0 0x100>;
> @@ -41,11 +31,9 @@ Example demonstrate on AXG SoC:
>  		interrupts = <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>;
>  
>  		clocks = <&clkc CLKID_SD_EMMC_C>,
> -			<&sd_emmc_c_clkc CLKID_MMC_DIV>,
> -			<&sd_emmc_c_clkc CLKID_MMC_PHASE_RX>,
> -			<&sd_emmc_c_clkc CLKID_MMC_PHASE_TX>;
> -		clock-names = "core", "device", "rx", "tx";
> -		amlogic,mmc-syscon = <&sd_emmc_c_clkc>;
> +			<&clkc CLKID_FCLK_DIV2>;
> +		clock-names = "core", "device";
> +		sd_emmc_c_clkc = <0xffe07000>;
>  
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&nand_pins>;


Thanks,
Miquèl