linux-kernel - [PATCH net-next 1/2] arm64: dts: qcom: sm8350: add IPA information

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Date:   Tue, 13 Apr 2021 12:05:52 -0500
From:   Alex Elder <elder@...aro.org>
To:     bjorn.andersson@...aro.org, agross@...nel.org
Cc:     robh+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 1/2] arm64: dts: qcom: sm8350: add IPA information

Add IPA-related nodes and definitions to "sm8350.dtsi", which uses
IPA v4.9.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8350.dtsi | 51 ++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index ed0b51bc03ea7..2fc23f3d2c75c 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -11,6 +11,7 @@
 #include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/qcom,sm8350.h>
 
 / {
 	interrupt-parent = <&intc>;
@@ -391,6 +392,17 @@ smp2p_modem_in: slave-kernel {
 			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 {
@@ -629,6 +641,45 @@ compute_noc: interconnect@...0000{
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
+		ipa: ipa@...0000 {
+			compatible = "qcom,sm8350-ipa";
+
+			iommus = <&apps_smmu 0x5c0 0x0>,
+				 <&apps_smmu 0x5c2 0x0>;
+			reg = <0 0x1e40000 0 0x8000>,
+			      <0 0x1e50000 0 0x4b20>,
+			      <0 0x1e04000 0 0x23000>;
+			reg-names = "ipa-reg",
+				    "ipa-shared",
+				    "gsi";
+
+			interrupts-extended = <&intc GIC_SPI 655 IRQ_TYPE_EDGE_RISING>,
+					      <&intc GIC_SPI 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 &gem_noc SLAVE_LLCC>,
+					<&mc_virt MASTER_LLCC &mc_virt SLAVE_EBI1>,
+					<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_IPA_CFG>;
+			interconnect-names = "ipa_to_llcc",
+					     "llcc_to_ebi1",
+					     "appss_to_ipa";
+
+			qcom,smem-states = <&ipa_smp2p_out 0>,
+					   <&ipa_smp2p_out 1>;
+			qcom,smem-state-names = "ipa-clock-enabled-valid",
+						"ipa-clock-enabled";
+
+			status = "disabled";
+		};
+
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x0 0x01f40000 0x0 0x40000>;
-- 
2.27.0