linux-kernel - [PATCH v8] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

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Date:   Fri, 21 Jan 2022 13:30:07 +0530
From:   Rakesh Pillai <quic_pillair@...cinc.com>
To:     agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        swboyd@...omium.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_sibis@...cinc.com,
        quic_mpubbise@...cinc.com, kuabhs@...omium.org,
        Rakesh Pillai <quic_pillair@...cinc.com>
Subject: [PATCH v8] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

Add the WPSS remoteproc node in dts for
PIL loading.

Reviewed-by: Stephen Boyd <swboyd@...omium.org>
Signed-off-by: Rakesh Pillai <quic_pillair@...cinc.com>
---
Changes from v7:
- Remove wpss_mem from reserved memory. Its part of board dtsi.

Changes from v6:
- Swap the oder of two properties in wpss_mem reserved memory

Changes from v5:
- Update the clock names
---
 arch/arm64/boot/dts/qcom/sc7280-idp.dts |  4 +++
 arch/arm64/boot/dts/qcom/sc7280.dtsi    | 51 +++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 9b991ba..ddab150 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -80,3 +80,7 @@
 		qcom,pre-scaling = <1 1>;
 	};
 };
+
+&remoteproc_wpss {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 937c2e0..e7c0745 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2603,6 +2603,57 @@
 			status = "disabled";
 		};
 
+		remoteproc_wpss: remoteproc@...0000 {
+			compatible = "qcom,sc7280-wpss-pil";
+			reg = <0 0x08a00000 0 0x10000>;
+
+			interrupts-extended = <&intc GIC_SPI 587 IRQ_TYPE_EDGE_RISING>,
+					      <&wpss_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&wpss_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
+					      <&wpss_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
+					      <&wpss_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
+					      <&wpss_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
+			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";
+
+			power-domains = <&rpmhpd SC7280_CX>,
+					<&rpmhpd SC7280_MX>;
+			power-domain-names = "cx", "mx";
+
+			memory-region = <&wpss_mem>;
+
+			qcom,qmp = <&aoss_qmp>;
+
+			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_mutex 0x37000>;
+
+			status = "disabled";
+
+			glink-edge {
+				interrupts-extended = <&ipcc IPCC_CLIENT_WPSS
+							     IPCC_MPROC_SIGNAL_GLINK_QMP
+							     IRQ_TYPE_EDGE_RISING>;
+				mboxes = <&ipcc IPCC_CLIENT_WPSS
+						IPCC_MPROC_SIGNAL_GLINK_QMP>;
+
+				label = "wpss";
+				qcom,remote-pid = <13>;
+			};
+		};
+
 		dc_noc: interconnect@...0000 {
 			reg = <0 0x090e0000 0 0x5080>;
 			compatible = "qcom,sc7280-dc-noc";
-- 
2.7.4