RE: [EXT] Re: [PATCH v1] arm64: ls1028: dtsi: Add esdhc node in dtsi

From: Yinbo Zhu
Date: Sun May 05 2019 - 02:07:28 EST




> -----Original Message-----
> From: Rob Herring [mailto:robh+dt@xxxxxxxxxx]
> Sent: 2019å5æ2æ 1:50
> To: Yinbo Zhu <yinbo.zhu@xxxxxxx>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>; Leo Li <leoyang.li@xxxxxxx>; Xiaobo
> Xie <xiaobo.xie@xxxxxxx>; Mark Rutland <mark.rutland@xxxxxxx>;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; linux-mmc@xxxxxxxxxxxxxxx; Y.b. Lu
> <yangbo.lu@xxxxxxx>; Jiafei Pan <jiafei.pan@xxxxxxx>; Ashish Kumar
> <ashish.kumar@xxxxxxx>
> Subject: [EXT] Re: [PATCH v1] arm64: ls1028: dtsi: Add esdhc node in dtsi
>
> Caution: EXT Email
>
> On Tue, Apr 23, 2019 at 6:42 AM Yinbo Zhu <yinbo.zhu@xxxxxxx> wrote:
> >
> > From: Ashish Kumar <Ashish.Kumar@xxxxxxx>
> >
> > This patch is to add esdhc node and enable SD UHS-I, eMMC HS200 for
> > ls1028ardb/ls1028aqds board.
> >
> > Signed-off-by: Ashish Kumar <Ashish.Kumar@xxxxxxx>
> > Signed-off-by: Yangbo Lu <yangbo.lu@xxxxxxx>
> > Signed-off-by: Yinbo Zhu <yinbo.zhu@xxxxxxx>
> > ---
> > .../boot/dts/freescale/fsl-ls1028a-qds.dts | 8 ++++++
> > .../boot/dts/freescale/fsl-ls1028a-rdb.dts | 13 +++++++++
> > .../arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 27
> > +++++++++++++++++++
> > 3 files changed, 48 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > index 14c79f4691ea..180e5d2a00d1 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > @@ -42,6 +42,14 @@
> > status = "okay";
> > };
> >
> > +&esdhc {
> > + status = "okay";
> > +};
> > +
> > +&esdhc1 {
> > + status = "okay";
> > +};
> > +
> > &i2c0 {
> > status = "okay";
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > index f86b054a74ae..1bfaf4294db4 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > @@ -30,6 +30,19 @@
> > };
> > };
> >
> > +&esdhc {
> > + status = "okay";
> > + sd-uhs-sdr104;
> > + sd-uhs-sdr50;
> > + sd-uhs-sdr25;
> > + sd-uhs-sdr12;
> > + };
> > +
> > +&esdhc1 {
> > + status = "okay";
> > + mmc-hs200-1_8v;
> > + };
> > +
> > &i2c0 {
> > status = "okay";
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > index 2896bbcfa3bb..d13cd3fb455b 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > @@ -274,6 +274,33 @@
> > status = "disabled";
> > };
> >
> > + esdhc: esdhc@2140000 {
>
> mmc@...
>
> > + compatible = "fsl,ls1028a-esdhc", "fsl,esdhc";
> > + reg = <0x0 0x2140000 0x0 0x10000>;
> > + interrupts = <0 28 0x4>; /* Level high type */
> > + clock-frequency = <0>;
>
> Filled in by bootloader? If so, add a comment.
Hi rob,
Filled in by kernel, please you note.

Regards,
Yinbo.
> > + clocks = <&clockgen 2 1>;
> > + voltage-ranges = <1800 1800 3300 3300>;
> > + sdhci,auto-cmd12;
> > + little-endian;
> > + bus-width = <4>;
> > + status = "disabled";
> > + };
> > +
> > + esdhc1: esdhc@2150000 {
>
> mmc@...
>
> > + compatible = "fsl,ls1028a-esdhc", "fsl,esdhc";
> > + reg = <0x0 0x2150000 0x0 0x10000>;
> > + interrupts = <0 63 0x4>; /* Level high type */
> > + clock-frequency = <0>;
> > + clocks = <&clockgen 2 1>;
> > + voltage-ranges = <1800 1800 3300 3300>;
> > + sdhci,auto-cmd12;
> > + broken-cd;
> > + little-endian;
> > + bus-width = <4>;
> > + status = "disabled";
> > + };
> > +
> > sata: sata@3200000 {
> > compatible = "fsl,ls1028a-ahci";
> > reg = <0x0 0x3200000 0x0 0x10000>,
> > --
> > 2.17.1
> >