linux-kernel - [PATCH 2/5] arm64: dts: qcom: sa8540p: use sa8540p gpucc compatible

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Date: Tue, 26 Mar 2024 15:01:05 +0100
From: Johan Hovold <johan+linaro@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	linux-arm-msm@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 2/5] arm64: dts: qcom: sa8540p: use sa8540p gpucc compatible

The SA8540P platform is closely related to SC8280XP but differs in that
it uses an external supply for the GX power domain.

Use the new SA8540P compatible string for the GPU clock controller so
that the OS can determine which resources to look for.

Note that a fallback SC8280XP compatible is added temporarily to avoid
any temporary regressions for sa8295p-adp.

Fixes: fd5821a1a83c ("arm64: dts: qcom: sa8540p: Drop gfx.lvl as power-domain for gpucc")
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 arch/arm64/boot/dts/qcom/sa8540p.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8540p.dtsi b/arch/arm64/boot/dts/qcom/sa8540p.dtsi
index 23888029cc11..3b31a9ea3492 100644
--- a/arch/arm64/boot/dts/qcom/sa8540p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8540p.dtsi
@@ -168,6 +168,8 @@ opp-2592000000 {
 };
 
 &gpucc {
+	compatible = "qcom,sa8540p-gpucc", "qcom,sc8280xp-gpucc";
+
 	/* SA8295P and SA8540P doesn't provide gfx.lvl */
 	/delete-property/ power-domains;
 
-- 
2.43.0