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SubjectRe: [PATCH 3/3] arm64: meson: update SDIO in dts for JetHub D1
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Hi,

On 25/03/2022 17:55, Vyacheslav Bocharov wrote:
> Fix the dts to match board's reference design:
> - update vddio_boot regulator to 3.3v (Wi-Fi SDIO module)
> - add vccq_1v8 regulator with 1.8v for eMMC SDIO
>
> In the first revision of JetHub D1 the vccq_1v8 regulator was 3.3v.
> All installed eMMC modules were tested to work in HS200 mode at 3.3v
> supply voltage. In the next revisions of the board eMMC will be
> powered with 1.8v according to the standard.
>
> Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
> ---
> .../dts/amlogic/meson-axg-jethome-jethub-j100.dts | 15 ++++++++++++---
> 1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
> index 66c1eeba8f48..bc00d672a357 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
> @@ -81,12 +81,22 @@ vddio_ao18: regulator-vddio_ao18 {
> vddio_boot: regulator-vddio_boot {
> compatible = "regulator-fixed";
> regulator-name = "VDDIO_BOOT";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&vddao_3v3>;
> + regulator-always-on;
> + };
> +
> + vccq_1v8: regulator-vccq_1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "VCCQ_1V8";
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <1800000>;
> vin-supply = <&vddao_3v3>;
> regulator-always-on;
> };
>
> +
> usb_pwr: regulator-usb_pwr {
> compatible = "regulator-fixed";
> regulator-name = "USB_PWR";
> @@ -248,8 +258,7 @@ &sd_emmc_b {
>
> bus-width = <4>;
> cap-sd-highspeed;
> - sd-uhs-sdr104;
> - max-frequency = <200000000>;
> + max-frequency = <50000000>;

This changes should be in a separate commit

> non-removable;
> disable-wp;
>
> @@ -282,7 +291,7 @@ &sd_emmc_c {
> mmc-pwrseq = <&emmc_pwrseq>;
>
> vmmc-supply = <&vcc_3v3>;
> - vqmmc-supply = <&vddio_boot>;
> + vqmmc-supply = <&vccq_1v8>;
> };
>
> /* UART Bluetooth */

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