On Mon, 11 Nov 2019 at 15:13, Markus Reichl <m.reichl@xxxxxxxxxxxxx> wrote:
>
> Add SDR104 capability and regulators to SD card node.
> While at it, fix a typo in lcd pinctrl and remove two
> undocumented bindings from pmic.
>
> Signed-off-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx>
> ---
> .../boot/dts/rockchip/rk3399-roc-pc.dtsi | 31 +++++++++++++++----
> 1 file changed, 25 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> index 33df95e384b4..e86a6db54499 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> @@ -135,6 +135,20 @@
> vin-supply = <&vcc_1v8>;
> };
>
> + vcc3v0_sd: vcc3v0-sd {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&vcc3v0_sd_en>;
> + regulator-name = "vcc3v0_sd";
> + regulator-always-on;
This looks odd. A GPIO regulator being always on?
> + regulator-boot-on;
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + vin-supply = <&vcc3v3_sys>;
> + };
Assumes this powers an SDIO embedded card. Often those have a specific
power sequence, just wanted to make sure the above are really
sufficient? No delays or external clock needed?
[...]
Kind regards
Uffe
