Re: [PATCH 03/17] ARM: dts: qcom: add missing rpm regulators and cells for ipq8064

Bjorn Andersson
2022-01-31T22:46:25Z

On Mon 17 Jan 19:20 CST 2022, Ansuel Smith wrote:

> Add cells definition for rpm node 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
> reject any regulator change request.
>

Is the SMB208 mandatory on all ipq8064 designs, or should this be pushed
out to the device dts?

Regards,
Bjorn

> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
> ---
> arch/arm/boot/dts/qcom-ipq8064.dtsi | 35 +++++++++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> index 094125605bea..824cf13dd037 100644
> --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> @@ -829,10 +829,45 @@ 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>;
> };
> +
> + regulators {
> + compatible = "qcom,rpm-smb208-regulators";
> +
> + 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 {
> --
> 2.33.1
>