linux-kernel - [PATCH 3/3] arm64: dts: qcom: msm8996: Disable ADSP and add power domains

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Date:   Thu, 06 May 2021 21:18:52 +0000
From:   Yassine Oudjana <y.oudjana@...tonmail.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Yassine Oudjana <y.oudjana@...tonmail.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH 3/3] arm64: dts: qcom: msm8996: Disable ADSP and add power domains

Disable ADSP by default and enable it in devices that use it.
Also add CX power domain.

Signed-off-by: Yassine Oudjana <y.oudjana@...tonmail.com>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 4 ++++
 arch/arm64/boot/dts/qcom/msm8996.dtsi        | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index defcbd15edf9..409a5dec2615 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -162,6 +162,10 @@ bluetooth {
 	};
 };
 
+&adsp_pil {
+	status = "okay";
+};
+
 &blsp2_i2c0 {
 	/* On High speed expansion */
 	label = "HS-I2C2";
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index ce430ba9c118..7e647843f7c7 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/clock/qcom,gcc-msm8996.h>
 #include <dt-bindings/clock/qcom,mmcc-msm8996.h>
 #include <dt-bindings/clock/qcom,rpmcc.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/soc/qcom,apr.h>
 
 / {
@@ -2067,6 +2068,11 @@ adsp_pil: remoteproc@...0000 {
 			qcom,smem-states = <&smp2p_adsp_out 0>;
 			qcom,smem-state-names = "stop";
 
+			power-domains = <&rpmpd MSM8996_VDDCX>;
+			power-domain-names = "cx";
+
+			status = "disabled";
+
 			smd-edge {
 				interrupts = <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>;
 
-- 
2.31.1