linux-kernel - [PATCH] arm64: dts: qcom: sc7180: add IPA information

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Message-Id: <20200518214939.9730-1-elder@linaro.org>
Date:   Mon, 18 May 2020 16:49:39 -0500
From:   Alex Elder <elder@...aro.org>
To:     bjorn.andersson@...aro.org, agross@...nel.org
Cc:     evgreen@...omium.org, subashab@...eaurora.org,
        cpratapa@...eaurora.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] arm64: dts: qcom: sc7180: add IPA information

Add IPA-related nodes and definitions to "sc7180.dtsi".

Signed-off-by: Alex Elder <elder@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 51 ++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index f1280e00b064..9a3686ce73ea 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -461,6 +461,17 @@
 			interrupt-controller;
 			#interrupt-cells = <2>;
 		};
+
+		ipa_smp2p_out: ipa-ap-to-modem {
+			qcom,entry-name = "ipa";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		ipa_smp2p_in: ipa-modem-to-ap {
+			qcom,entry-name = "ipa";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
 	};
 
 	psci {
@@ -1007,6 +1018,46 @@
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
+		ipa: ipa@...0000 {
+			compatible = "qcom,sc7180-ipa";
+
+			iommus = <&apps_smmu 0x440 0x3>;
+			reg = <0 0x1e40000 0 0x7000>,
+			      <0 0x1e47000 0 0x2000>,
+			      <0 0x1e04000 0 0x2c000>;
+			reg-names = "ipa-reg",
+				    "ipa-shared",
+				    "gsi";
+
+			interrupts-extended = <&intc 0 311 IRQ_TYPE_EDGE_RISING>,
+					      <&intc 0 432 IRQ_TYPE_LEVEL_HIGH>,
+					      <&ipa_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&ipa_smp2p_in 1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "ipa",
+					  "gsi",
+					  "ipa-clock-query",
+					  "ipa-setup-ready";
+
+			clocks = <&rpmhcc RPMH_IPA_CLK>;
+			clock-names = "core";
+
+			interconnects = <&aggre2_noc MASTER_IPA &mc_virt SLAVE_EBI1>,
+				        <&aggre2_noc MASTER_IPA &system_noc SLAVE_IMEM>,
+					<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_IPA_CFG>;
+			interconnect-names = "memory",
+					     "imem",
+					     "config";
+
+			qcom,smem-states = <&ipa_smp2p_out 0>,
+					   <&ipa_smp2p_out 1>;
+			qcom,smem-state-names = "ipa-clock-enabled-valid",
+						"ipa-clock-enabled";
+
+			modem-remoteproc = <&remoteproc_mpss>;
+
+			status = "disabled";
+		};
+
 		tcsr_mutex_regs: syscon@...0000 {
 			compatible = "syscon";
 			reg = <0 0x01f40000 0 0x40000>;
-- 
2.20.1