| Message ID | 20240704120300.2849264-1-ciprianmarian.costea@oss.nxp.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: dts: s32g: Disable usdhc write-protect | expand |
Hi Ciprian, On Thu, Jul 4, 2024 at 9:03 AM Ciprian Costea <ciprianmarian.costea@oss.nxp.com> wrote: > --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi > +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi > @@ -145,6 +145,7 @@ usdhc0: mmc@402f0000 { > clocks = <&clks 32>, <&clks 31>, <&clks 33>; > clock-names = "ipg", "ahb", "per"; > bus-width = <8>; > + disable-wp; This should be better placed on the board dts instead of describing it in the SoC dtsi. Some boards may use a GPIO to describe the write protect pin via the 'wp-gpios' property.
On 7/4/2024 4:13 PM, Fabio Estevam wrote: > Hi Ciprian, > > On Thu, Jul 4, 2024 at 9:03 AM Ciprian Costea > <ciprianmarian.costea@oss.nxp.com> wrote: > >> --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi >> +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi >> @@ -145,6 +145,7 @@ usdhc0: mmc@402f0000 { >> clocks = <&clks 32>, <&clks 31>, <&clks 33>; >> clock-names = "ipg", "ahb", "per"; >> bus-width = <8>; >> + disable-wp; > > This should be better placed on the board dts instead of describing it > in the SoC dtsi. > > Some boards may use a GPIO to describe the write protect pin via the > 'wp-gpios' property. Hello Fabio, Thanks for your suggestion. I will update accordingly in version 2 of this patch. Best Regards, Ciprian
diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi index fc19ae2e8d3b..2ad8cfe964be 100644 --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi @@ -145,6 +145,7 @@ usdhc0: mmc@402f0000 { clocks = <&clks 32>, <&clks 31>, <&clks 33>; clock-names = "ipg", "ahb", "per"; bus-width = <8>; + disable-wp; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/freescale/s32g3.dtsi b/arch/arm64/boot/dts/freescale/s32g3.dtsi index c1b08992754b..9d38bdc23cff 100644 --- a/arch/arm64/boot/dts/freescale/s32g3.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g3.dtsi @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* - * Copyright 2021-2023 NXP + * Copyright 2021-2024 NXP * * Authors: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com> * Ciprian Costea <ciprianmarian.costea@nxp.com> @@ -204,6 +204,7 @@ usdhc0: mmc@402f0000 { <&clks 31>, <&clks 33>; clock-names = "ipg", "ahb", "per"; + disable-wp; status = "disabled"; };
SDHCI controller found on NXP S32G based platforms do not define a pin for SD-Card write protection. Hence, adding 'disable-wp' usdhc device-tree property in order to fix observed warnings on SD boot as the following: "host does not support reading read-only switch, assuming write-enable" Signed-off-by: Ciprian Costea <ciprianmarian.costea@oss.nxp.com> --- arch/arm64/boot/dts/freescale/s32g2.dtsi | 1 + arch/arm64/boot/dts/freescale/s32g3.dtsi | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-)