Re: [PATCH 7/8] arm64: dts: qcom: add IPQ5424 SoC and rdp466 board support

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On 9/13/2024 6:22 PM, Dmitry Baryshkov wrote:

On Fri, Sep 13, 2024 at 05:42:49PM GMT, Sricharan R wrote:

From: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>

Add initial device tree support for the Qualcomm IPQ5424 SoC and
rdp466 board.

Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/Makefile           |   1 +
  arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts |  63 +++++
  arch/arm64/boot/dts/qcom/ipq5424.dtsi       | 294 ++++++++++++++++++++
  3 files changed, 358 insertions(+)
  create mode 100644 arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
  create mode 100644 arch/arm64/boot/dts/qcom/ipq5424.dtsi

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 197ab325c0b9..46c4eb758799 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -16,6 +16,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp441.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp442.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp474.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= ipq5424-rdp466.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c1.dtb
diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
new file mode 100644
index 000000000000..c8597a9ba175
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * IPQ5018 MP03.1-C2 board device tree source
+ *
+ * Copyright (c) 2023 The Linux Foundation. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "ipq5424.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IPQ5424 RDP466";
+	compatible = "qcom,ipq5424-rdp466", "qcom,ipq5424";
+
+	aliases {
+		serial0 = &uart1;
+	};
+
+	chosen	{
+		stdout-path = "serial0:115200n8";
+	};


Drop


ok

+};
+
+&tlmm {
+	sdc_default_state: sdc-default-state {
+		clk-pins {
+			pins = "gpio5";
+			function = "sdc_clk";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		cmd-pins {
+			pins = "gpio4";
+			function = "sdc_cmd";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		data-pins {
+			pins = "gpio0", "gpio1", "gpio2", "gpio3";
+			function = "sdc_data";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+	};
+};
+
+&uart1 {
+	pinctrl-0 = <&uart1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sleep_clk {


sleep comes between tlmm and uart1


ok

+	clock-frequency = <32000>;
+};
+
+&xo_board {
+	clock-frequency = <24000000>;
+};
+
diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
new file mode 100644
index 000000000000..b6c08fac9482
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
@@ -0,0 +1,294 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * IPQ5424 device tree source
+ *
+ * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,ipq5424-gcc.h>
+#include <dt-bindings/reset/qcom,ipq5424-gcc.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+	interrupt-parent = <&intc>;
+
+	clocks {
+		xo_board: xo-board-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+		};
+
+		sleep_clk: sleep-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+		};


I think Krzysztof lately suggested moving these clocks to board DT
files.


ok will move

+	};
+
+	cpus: cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a55";
+			reg = <0x0>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+			L2_0: l2-cache {


lowercase all labels


ok

+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;


empty line (here and afterwards, before new subnodes.


ok will add

+				L3_0: l3-cache {
+					compatible = "cache";
+					cache-level = <3>;
+					cache-unified;
+				};
+			};
+		};
+
+		CPU1: cpu@100 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a55";
+			enable-method = "psci";
+			reg = <0x100>;
+			next-level-cache = <&L2_100>;
+			L2_100: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU2: cpu@200 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a55";
+			enable-method = "psci";
+			reg = <0x200>;
+			next-level-cache = <&L2_200>;
+			L2_200: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU3: cpu@300 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a55";
+			enable-method = "psci";
+			reg = <0x300>;
+			next-level-cache = <&L2_300>;
+			L2_300: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the size */
+		reg = <0x0 0x80000000 0x0 0x0>;
+	};
+
+	pmu {
+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;


I don't think you need CPU_MASK for GICv3 hosts.


ok

+	};
+
+	pmu-v7 {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	dsu-pmu {
+		compatible = "arm,dsu-pmu";
+		interrupts = <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
+		cpus = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>;
+		status = "okay";
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		tz@8a600000 {
+			reg = <0x0 0x8a600000 0x0 0x200000>;
+			no-map;
+		};
+	};
+
+	soc@0 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0 0 0 0 0x10 0>;
+
+		tlmm: pinctrl@1000000 {
+			compatible = "qcom,ipq5424-tlmm";
+			reg = <0 0x01000000 0 0x300000>;
+			interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&tlmm 0 0 50>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			uart1_pins: uart1-state {
+				pins = "gpio43", "gpio44";
+				function = "uart1";
+				drive-strength = <8>;
+				bias-pull-up;
+			};
+		};
+
+		gcc: clock-controller@1800000 {
+			compatible = "qcom,ipq5424-gcc";
+			reg = <0 0x01800000 0 0x40000>;
+			clocks = <&xo_board>,
+				 <&sleep_clk>,
+				 <0>,
+				 <0>,
+				 <0>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			#interconnect-cells = <1>;
+		};
+
+		qupv3: geniqup@1ac0000 {
+			compatible = "qcom,geni-se-qup";
+			reg = <0 0x01ac0000 0 0x2000>;
+			clocks = <&gcc GCC_QUPV3_AHB_MST_CLK>,
+				 <&gcc GCC_QUPV3_AHB_SLV_CLK>;
+			clock-names = "m-ahb", "s-ahb";
+			ranges;
+			#address-cells = <2>;
+			#size-cells = <2>;
+
+			status = "okay";
+
+			uart1: serial@1a84000 {
+				compatible = "qcom,geni-debug-uart";
+				reg = <0 0x01a84000 0 0x4000>;
+				clocks = <&gcc GCC_QUPV3_UART1_CLK>;
+				clock-names = "se";
+				interrupts = <GIC_SPI 340 IRQ_TYPE_LEVEL_HIGH>;
+				status = "okay";
+			};
+		};
+
+		intc: interrupt-controller@f200000 {
+			compatible = "arm,gic-v3";
+			reg = <0 0xf200000 0 0x10000>, /* GICD */
+			      <0 0xf240000 0 0x80000>; /* GICR * 4 regions */
+			#interrupt-cells = <0x3>;
+			interrupt-controller;
+			#redistributor-regions = <1>;
+			redistributor-stride = <0x0 0x20000>;
+			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+			mbi-ranges = <672 128>;
+			msi-controller;


No ITS?

 ITS/LPI is not supported.



+		};
+
+		sdhc: mmc@7804000 {
+			compatible = "qcom,ipq5424-sdhci", "qcom,sdhci-msm-v5";
+			reg = <0 0x07804000 0 0x1000>, <0 0x07805000 0 0x1000>;


Please sort all nodes following the device addresses.


ok

Regards,
 Sricharan
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