From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Bjorn Andersson <quic_bjorande@quicinc.com>,
Bjorn Andersson <andersson@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Taniya Das <quic_tdas@quicinc.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Johan Hovold <johan+linaro@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 6/8] arm64: dts: qcom: sa8295p-adp: add max20411
Date: Thu, 21 Dec 2023 13:51:58 +0100 [thread overview]
Message-ID: <b6866ee4-31d9-4404-9bd9-92bc4ab59b8c@linaro.org> (raw)
In-Reply-To: <20231220-sa8295p-gpu-v1-6-d8cdf2257f97@quicinc.com>
On 21.12.2023 04:50, Bjorn Andersson wrote:
> From: Bjorn Andersson <andersson@kernel.org>
>
> The SA8295P ADP has a MAX20411 LDO regulator on I2C 12, supplying the
> VDD_GFX pads. Enable the bus and add the maxim,max20411 device on the
> bus.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 40 ++++++++++++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> index fd253942e5e5..e16406c9c19d 100644
> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -266,6 +266,26 @@ &dispcc1 {
> status = "okay";
> };
>
> +&i2c12 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&qup1_i2c4_state>;
property-n
property-names
(same below)
> +
> + status = "okay";
> +
> + vdd_gfx: regulator@39 {
> + compatible = "maxim,max20411";
> + reg = <0x39>;
> +
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <968750>;
Is this ever going to be scaled? I suppose you could add some OPP code to
drm/msm and use opp-microvolts.. Or lock this down at min=max
Konrad
next prev parent reply other threads:[~2023-12-21 12:52 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-21 3:50 [PATCH 0/8] arm64: dts: qcom: sa8295p: Enable GPU Bjorn Andersson
2023-12-21 3:50 ` [PATCH 1/8] dt-bindings: clock: qcom: Allow VDD_GFX supply to GX Bjorn Andersson
2023-12-21 7:03 ` Dmitry Baryshkov
2023-12-21 7:10 ` Dmitry Baryshkov
2023-12-21 19:16 ` Bjorn Andersson
2023-12-21 3:50 ` [PATCH 2/8] clk: qcom: gdsc: Enable supply reglator in GPU GX handler Bjorn Andersson
2023-12-21 4:36 ` Stephen Boyd
2023-12-21 12:57 ` Konrad Dybcio
2023-12-21 13:04 ` Dmitry Baryshkov
2023-12-21 13:16 ` Konrad Dybcio
2023-12-21 13:17 ` Konrad Dybcio
2023-12-21 13:18 ` Dmitry Baryshkov
2023-12-21 3:50 ` [PATCH 3/8] clk: qcom: gpucc-sc8280xp: Add external supply for GX gdsc Bjorn Andersson
2023-12-21 7:04 ` Dmitry Baryshkov
2023-12-21 3:50 ` [PATCH 4/8] soc: qcom: rpmhpd: Drop SA8540P gfx.lvl Bjorn Andersson
2023-12-21 7:05 ` Dmitry Baryshkov
2023-12-21 3:50 ` [PATCH 5/8] arm64: dts: qcom: sa8540p: Drop gfx.lvl as power-domain for gpucc Bjorn Andersson
2023-12-21 7:06 ` Dmitry Baryshkov
2023-12-21 3:50 ` [PATCH 6/8] arm64: dts: qcom: sa8295p-adp: add max20411 Bjorn Andersson
2023-12-21 7:07 ` Dmitry Baryshkov
2023-12-21 12:51 ` Konrad Dybcio [this message]
2023-12-21 18:48 ` Bjorn Andersson
2023-12-21 3:50 ` [PATCH 7/8] arm64: dts: qcom: sa8295p-adp: Enable GPU Bjorn Andersson
2023-12-21 7:09 ` Dmitry Baryshkov
2023-12-21 3:50 ` [PATCH 8/8] arm64: defconfig: Enable MAX20411 regulator driver Bjorn Andersson
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