linux-kernel - [PATCH v2 16/17] arm64: dts: sdm845: add IPA information

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Date:   Thu, 30 May 2019 22:53:47 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, arnd@...db.de, bjorn.andersson@...aro.org,
        ilias.apalodimas@...aro.org
Cc:     evgreen@...omium.org, benchan@...gle.com, ejcaruso@...gle.com,
        cpratapa@...eaurora.org, syadagir@...eaurora.org,
        subashab@...eaurora.org, abhishek.esse@...il.com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Subject: [PATCH v2 16/17] arm64: dts: sdm845: add IPA information

Add IPA-related nodes and definitions to "sdm845.dtsi".

Signed-off-by: Alex Elder <elder@...aro.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 51 ++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index fcb93300ca62..985479925af8 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -20,6 +20,7 @@
 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/qcom,sdm845.h>
 
 / {
 	interrupt-parent = <&intc>;
@@ -517,6 +518,17 @@
 			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>;
+		};
 	};
 
 	smp2p-slpi {
@@ -1268,6 +1280,45 @@
 			};
 		};
 
+		ipa@...0000 {
+			compatible = "qcom,sdm845-ipa";
+
+			modem-init;
+
+			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 =
+				<&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_EBI1>,
+				<&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_IMEM>,
+				<&rsc_hlos MASTER_APPSS_PROC &rsc_hlos 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";
+		};
+
 		tcsr_mutex_regs: syscon@...0000 {
 			compatible = "syscon";
 			reg = <0 0x01f40000 0 0x40000>;
-- 
2.20.1