linux-kernel - [PATCH] ARM: dts: qcom: sdx55: add IPA information

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Date:   Fri,  9 Apr 2021 10:52:51 -0500
From:   Alex Elder <elder@...aro.org>
To:     bjorn.andersson@...aro.org, agross@...nel.org, robh+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: qcom: sdx55: add IPA information

Add IPA-related nodes and definitions to "sdx55.dtsi".  The SMP2P
nodes (ipa_smp2p_out and ipa_smp2p_in) are already present.

Signed-off-by: Alex Elder <elder@...aro.org>
---
Note: This depends on this series posted by Mani Sadhasivam:
  https://lore.kernel.org/linux-arm-msm/20210408170457.91409-1-manivannan.sadhasivam@linaro.org

 arch/arm/boot/dts/qcom-sdx55.dtsi | 41 +++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
index e4180bbc46555..0dc515dc5750d 100644
--- a/arch/arm/boot/dts/qcom-sdx55.dtsi
+++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
@@ -215,6 +215,47 @@ qpic_nand: nand@...0000 {
 			status = "disabled";
 		};
 
+		ipa: ipa@...0000 {
+			compatible = "qcom,sdx55-ipa";
+
+			iommus = <&apps_smmu 0x5e0 0x0>,
+				 <&apps_smmu 0x5e2 0x0>;
+			reg = <0x1e40000 0x7000>,
+			      <0x1e50000 0x4b20>,
+			      <0x1e04000 0x2c000>;
+			reg-names = "ipa-reg",
+				    "ipa-shared",
+				    "gsi";
+
+			interrupts-extended = <&intc GIC_SPI 241 IRQ_TYPE_EDGE_RISING>,
+					      <&intc GIC_SPI 47 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 = <&system_noc MASTER_IPA &system_noc SLAVE_SNOC_MEM_NOC_GC>,
+					<&mem_noc MASTER_SNOC_GC_MEM_NOC &mc_virt SLAVE_EBI_CH0>,
+					<&system_noc MASTER_IPA &system_noc SLAVE_OCIMEM>,
+					<&mem_noc MASTER_AMPSS_M0 &system_noc SLAVE_IPA_CFG>;
+			interconnect-names = "memory-a",
+					     "memory-b",
+					     "imem",
+					     "config";
+
+			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 = <0x01f40000 0x40000>;
-- 
2.27.0