Re: [PATCH v3 03/18] ARM: dts: qcom: add missing rpm regulators and cells for ipq8064

Bjorn Andersson
2022-04-12T19:50:54Z

On Wed 09 Mar 13:01 CST 2022, Ansuel Smith wrote:

> Add cells definition for rpm node

Why do we need the cells?

> and add missing regulators for the 4
> regulator present on ipq8064. There regulators are controlled by rpm and
> to correctly works gsbi4_i2c require to be NEVER disabled or rpm will

Are you saying "...to correctly work, gsbi4_i2c must NEVER be disabled..."?

If so, that's good information, but how does it relate to this
particular change?

Regards,
Bjorn

> reject any regulator change request.
>
> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
> Tested-by: Jonathan McDowell <noodles@earth.li>
> ---
> arch/arm/boot/dts/qcom-ipq8064.dtsi | 36 +++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> index b309bc0fbbcd..0938838a4af8 100644
> --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> @@ -842,10 +842,46 @@ rpm: rpm@108000 {
> clocks = <&gcc RPM_MSG_RAM_H_CLK>;
> clock-names = "ram";
>
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> rpmcc: clock-controller {
> compatible = "qcom,rpmcc-ipq806x", "qcom,rpmcc";
> #clock-cells = <1>;
> };
> +
> + smb208_regulators: regulators {
> + compatible = "qcom,rpm-smb208-regulators";
> + status = "okay";
> +
> + smb208_s1a: s1a {
> + regulator-min-microvolt = <1050000>;
> + regulator-max-microvolt = <1150000>;
> +
> + qcom,switch-mode-frequency = <1200000>;
> + };
> +
> + smb208_s1b: s1b {
> + regulator-min-microvolt = <1050000>;
> + regulator-max-microvolt = <1150000>;
> +
> + qcom,switch-mode-frequency = <1200000>;
> + };
> +
> + smb208_s2a: s2a {
> + regulator-min-microvolt = < 800000>;
> + regulator-max-microvolt = <1250000>;
> +
> + qcom,switch-mode-frequency = <1200000>;
> + };
> +
> + smb208_s2b: s2b {
> + regulator-min-microvolt = < 800000>;
> + regulator-max-microvolt = <1250000>;
> +
> + qcom,switch-mode-frequency = <1200000>;
> + };
> + };
> };
>
> tcsr: syscon@1a400000 {
> --
> 2.34.1
>