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From: David Heidelberg <david@ixit.cz>
To: cros-qcom-dts-watchers@chromium.org,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Thara Gopinath <thara.gopinath@linaro.org>
Cc: David Heidelberg <david@ixit.cz>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] arm64: dts: qcom: sdm845: cheza doesn't support LMh node
Date: Thu, 24 Aug 2023 00:27:41 +0200	[thread overview]
Message-ID: <20230823222741.89584-2-david@ixit.cz> (raw)
In-Reply-To: <20230823222741.89584-1-david@ixit.cz>

Cheza firmware doesn't allow controlling LMh from the operating system.

Fixes: 36c6581214c4 ("arm64: dts: qcom: sdm845: Add support for LMh node")
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: David Heidelberg <david@ixit.cz>
---
 arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index d86b0d112110..8cc8fc290fd3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -143,6 +143,10 @@ panel_in_edp: endpoint {
 	};
 };
 
+&cpufreq_hw {
+	/delete-property/ interrupts-extended; /* reference to lmh_cluster[01] */
+};
+
 &psci {
 	/delete-node/ power-domain-cpu0;
 	/delete-node/ power-domain-cpu1;
@@ -275,6 +279,14 @@ &BIG_CPU_SLEEP_1
 			   &CLUSTER_SLEEP_0>;
 };
 
+&lmh_cluster0 {
+	status = "disabled";
+};
+
+&lmh_cluster1 {
+	status = "disabled";
+};
+
 /*
  * Reserved memory changes
  *
@@ -338,6 +350,8 @@ flash@0 {
 
 
 &apps_rsc {
+	/delete-property/ power-domains;
+
 	regulators-0 {
 		compatible = "qcom,pm8998-rpmh-regulators";
 		qcom,pmic-id = "a";
-- 
2.40.1


  reply	other threads:[~2023-08-23 22:29 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-23 22:27 [PATCH 1/2] arm64: dts: qcom: sdm845: Fix PSCI power domain names David Heidelberg
2023-08-23 22:27 ` David Heidelberg [this message]
2023-08-24 18:24   ` [PATCH 2/2] arm64: dts: qcom: sdm845: cheza doesn't support LMh node Doug Anderson
2023-08-24 21:07     ` Dmitry Baryshkov
2023-08-25 18:36     ` Konrad Dybcio
2023-08-24 18:25 ` [PATCH 1/2] arm64: dts: qcom: sdm845: Fix PSCI power domain names Doug Anderson
2023-08-25 18:34 ` Konrad Dybcio

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