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SubjectRE: [PATCH v2] arm64: dts: lx2160a: enable eSDHC controller
Date


> -----Original Message-----
> From: Yinbo Zhu <yinbo.zhu@nxp.com>
> Sent: Thursday, October 11, 2018 1:35 AM
> To: Yinbo Zhu <yinbo.zhu@nxp.com>; Y.b. Lu <yangbo.lu@nxp.com>; linux-
> mmc@vger.kernel.org; Adrian Hunter <adrian.hunter@intel.com>;
> ulf.hansson@linaro.org; Leo Li <leoyang.li@nxp.com>
> Cc: Xiaobo Xie <xiaobo.xie@nxp.com>; devicetree@vger.kernel.org; linux-
> arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org
> Subject: [PATCH v2] arm64: dts: lx2160a: enable eSDHC controller
>
> There are two eSDHC controllers in lx2160a. This patch is to enable eSDHC for
> RDB and QDS board.
>
> Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
> ---
> Change in v2:
> squash all lx2160a esdhc dts patch into the original patch

Hi Yinbo,

What I meant is that the eSDHC nodes should be squashed into the patches adding these device tree. I don't see a good reason that SDHC nodes should be a separate patch for now, especially when the original patch is still being reviewed and could be changing.
https://lore.kernel.org/patchwork/patch/995433/
https://lore.kernel.org/patchwork/patch/995434/

Regards,
Leo
>
> arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts | 8 ++++++
> arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 15 ++++++++++++
> arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 25
> +++++++++++++++++++++
> 3 files changed, 48 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> b/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> index bc30173..b58b96c 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> @@ -294,6 +294,14 @@
> status = "okay";
> };
>
> +&esdhc0 {
> + status = "okay";
> +};
> +
> +&esdhc1 {
> + status = "okay";
> +};
> +
> &dspi0 {
> dflash0: n25q128a {
> #address-cells = <1>;
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> index 53b0e80..cbe8919 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> @@ -170,6 +170,21 @@
> status = "okay";
> };
>
> +&esdhc0 {
> + sd-uhs-sdr104;
> + sd-uhs-sdr50;
> + sd-uhs-sdr25;
> + sd-uhs-sdr12;
> + status = "okay";
> +};
> +
> +&esdhc1 {
> + mmc-hs200-1_8v;
> + mmc-hs400-1_8v;
> + bus-width = <8>;
> + status = "okay";
> +};
> +
> &fspi {
> status = "okay";
> nxp,fspi-has-second-chip;
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index fa4a1f8..174544a 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -356,6 +356,31 @@
> little-endian;
> };
>
> + esdhc0: esdhc@2140000 {
> + compatible = "fsl,esdhc";
> + reg = <0x0 0x2140000 0x0 0x10000>;
> + interrupts = <0 28 0x4>; /* Level high type */
> + clocks = <&clockgen 4 1>;
> + voltage-ranges = <1800 1800 3300 3300>;
> + sdhci,auto-cmd12;
> + little-endian;
> + bus-width = <4>;
> + status = "disabled";
> + };
> +
> + esdhc1: esdhc@2150000 {
> + compatible = "fsl,esdhc";
> + reg = <0x0 0x2150000 0x0 0x10000>;
> + interrupts = <0 63 0x4>; /* Level high type */
> + clocks = <&clockgen 4 1>;
> + voltage-ranges = <1800 1800 3300 3300>;
> + sdhci,auto-cmd12;
> + broken-cd;
> + little-endian;
> + bus-width = <4>;
> + status = "disabled";
> + };
> +
> gpio0: gpio@2300000 {
> compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio";
> reg = <0x0 0x2300000 0x0 0x10000>;
> --
> 1.7.1

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