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51 lines
1.8 KiB
Diff
51 lines
1.8 KiB
Diff
From d02b30b6e397d2ab09a703bb873fe722406ab06a Mon Sep 17 00:00:00 2001
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From: Devi Priya <quic_devipriy@quicinc.com>
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Date: Wed, 17 May 2023 22:55:26 +0530
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Subject: [PATCH 20/41] arm64: dts: qcom: ipq9574: Add SMPA1 regulator node
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Add support for SMPA1 regulator node in IPQ9574.
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Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
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Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
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Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
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Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
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Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Link: https://lore.kernel.org/r/20230517172527.1968-3-quic_devipriy@quicinc.com
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---
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arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
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index 2ce8e09e7565..2b3ed8d351f7 100644
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--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
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+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
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@@ -29,6 +29,25 @@ &blsp1_uart2 {
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status = "okay";
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};
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+&rpm_requests {
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+ regulators {
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+ compatible = "qcom,rpm-mp5496-regulators";
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+
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+ ipq9574_s1: s1 {
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+ /*
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+ * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
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+ * During regulator registration, kernel not knowing the initial voltage,
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+ * considers it as zero and brings up the regulators with minimum supported voltage.
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+ * Update the regulator-min-microvolt with SVS voltage of 725mV so that
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+ * the regulators are brought up with 725mV which is sufficient for all the
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+ * corner parts to operate at 800MHz
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+ */
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+ regulator-min-microvolt = <725000>;
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+ regulator-max-microvolt = <1075000>;
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+ };
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+ };
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+};
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+
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&sdhc_1 {
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pinctrl-0 = <&sdc_default_state>;
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pinctrl-names = "default";
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--
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2.34.1
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