linux-kernel - [PATCH 5/9] arm64: dts: qcom: sc7280: Use WPSS PAS instead of PIL

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Date:   Fri, 27 Oct 2023 16:20:27 +0200
From:   Luca Weiss <luca.weiss@...rphone.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        cros-qcom-dts-watchers@...omium.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Matti Lehtimäki <matti.lehtimaki@...il.com>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 5/9] arm64: dts: qcom: sc7280: Use WPSS PAS instead of PIL

The wpss-pil driver wants to manage too many resources that cannot be
touched with standard Qualcomm firmware.

Use the compatible from the PAS driver and move the ChromeOS-specific
bits to sc7280-chrome-common.dtsi.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 19 ++++++++++++++++++-
 arch/arm64/boot/dts/qcom/sc7280.dtsi               | 15 +++------------
 2 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
index cd491e46666d..eb55616e0892 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
@@ -95,8 +95,25 @@ spi_flash: flash@0 {
 };
 
 &remoteproc_wpss {
-	status = "okay";
+	compatible = "qcom,sc7280-wpss-pil";
+	clocks = <&gcc GCC_WPSS_AHB_BDG_MST_CLK>,
+		 <&gcc GCC_WPSS_AHB_CLK>,
+		 <&gcc GCC_WPSS_RSCP_CLK>,
+		 <&rpmhcc RPMH_CXO_CLK>;
+	clock-names = "ahb_bdg",
+		      "ahb",
+		      "rscp",
+		      "xo";
+
+	resets = <&aoss_reset AOSS_CC_WCSS_RESTART>,
+		 <&pdc_reset PDC_WPSS_SYNC_RESET>;
+	reset-names = "restart", "pdc_sync";
+
+	qcom,halt-regs = <&tcsr_1 0x17000>;
+
 	firmware-name = "ath11k/WCN6750/hw1.0/wpss.mdt";
+
+	status = "okay";
 };
 
 &scm {
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 0d9cc44066ce..23bb6c41fca3 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -3579,7 +3579,7 @@ qspi: spi@...c000 {
 		};
 
 		remoteproc_wpss: remoteproc@...0000 {
-			compatible = "qcom,sc7280-wpss-pil";
+			compatible = "qcom,sc7280-wpss-pas";
 			reg = <0 0x08a00000 0 0x10000>;
 
 			interrupts-extended = <&intc GIC_SPI 587 IRQ_TYPE_EDGE_RISING>,
@@ -3591,12 +3591,8 @@ remoteproc_wpss: remoteproc@...0000 {
 			interrupt-names = "wdog", "fatal", "ready", "handover",
 					  "stop-ack", "shutdown-ack";
 
-			clocks = <&gcc GCC_WPSS_AHB_BDG_MST_CLK>,
-				 <&gcc GCC_WPSS_AHB_CLK>,
-				 <&gcc GCC_WPSS_RSCP_CLK>,
-				 <&rpmhcc RPMH_CXO_CLK>;
-			clock-names = "ahb_bdg", "ahb",
-				      "rscp", "xo";
+			clocks = <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "xo";
 
 			power-domains = <&rpmhpd SC7280_CX>,
 					<&rpmhpd SC7280_MX>;
@@ -3609,11 +3605,6 @@ remoteproc_wpss: remoteproc@...0000 {
 			qcom,smem-states = <&wpss_smp2p_out 0>;
 			qcom,smem-state-names = "stop";
 
-			resets = <&aoss_reset AOSS_CC_WCSS_RESTART>,
-				 <&pdc_reset PDC_WPSS_SYNC_RESET>;
-			reset-names = "restart", "pdc_sync";
-
-			qcom,halt-regs = <&tcsr_1 0x17000>;
 
 			status = "disabled";
 

-- 
2.42.0