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

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On 9/19/2024 6:00 PM, Krzysztof Kozlowski wrote:
[..]

+
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>;
+		};
+	};
+
+	cpus: cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {

Lowercase labels please.

I am in process of fixing it everywhere.

ok

+			device_type = "cpu";
+			compatible = "arm,cortex-a55";
+			reg = <0x0>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+			L2_0: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+				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 {

pmu-a55

ok

+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	pmu-v7 {

pmu-a7 but... where is the A7 CPU?

oops, by mistake. Renamed to a55 above, but missed deleting here.

+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;

Same interrupts? Huh?

will be removed.

+	};
+
+	dsu-pmu {

pmu-dsu?

ok

+		compatible = "arm,dsu-pmu";
+		interrupts = <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
+		cpus = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>;
+		status = "okay";

Drop

ok

+	};
+
+	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";

Please do not upstream your downstream code...

Sure, will remove here and below place

Regards,
 Sricharan

+
+			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";

Work on upstream instead.

+			};
+		};
+


Best regards,
Krzysztof






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