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+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung's Exynos4212 SoC device tree source
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Samsung's Exynos4212 SoC device nodes are listed in this file. Exynos4212
+ * based board files can include this file and provide values for board specfic
+ * bindings.
+ *
+ * Note: This file does not include device nodes for all the controllers in
+ * Exynos4212 SoC. As device tree coverage for Exynos4212 increases, additional
+ * nodes can be added to this file.
+ */
+
+#include "exynos4x12.dtsi"
+
+/ {
+ compatible = "samsung,exynos4212", "samsung,exynos4";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+ };
+
+ cpu0: cpu@a00 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0xa00>;
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+ cpu1: cpu@a01 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0xa01>;
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+ };
+
+ cpu0_opp_table: opp-table-0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <900000>;
+ clock-latency-ns = <200000>;
+ };
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <900000>;
+ clock-latency-ns = <200000>;
+ };
+ opp-400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <925000>;
+ clock-latency-ns = <200000>;
+ };
+ opp-500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ opp-microvolt = <950000>;
+ clock-latency-ns = <200000>;
+ };
+ opp-600000000 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <975000>;
+ clock-latency-ns = <200000>;
+ };
+ opp-700000000 {
+ opp-hz = /bits/ 64 <700000000>;
+ opp-microvolt = <987500>;
+ clock-latency-ns = <200000>;
+ };
+ opp-800000000 {
+ opp-hz = /bits/ 64 <800000000>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <200000>;
+ opp-suspend;
+ };
+ opp-900000000 {
+ opp-hz = /bits/ 64 <900000000>;
+ opp-microvolt = <1037500>;
+ clock-latency-ns = <200000>;
+ };
+ opp-1000000000 {
+ opp-hz = /bits/ 64 <1000000000>;
+ opp-microvolt = <1087500>;
+ clock-latency-ns = <200000>;
+ };
+ opp-1100000000 {
+ opp-hz = /bits/ 64 <1100000000>;
+ opp-microvolt = <1137500>;
+ clock-latency-ns = <200000>;
+ };
+ opp-1200000000 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1187500>;
+ clock-latency-ns = <200000>;
+ };
+ opp-1300000000 {
+ opp-hz = /bits/ 64 <1300000000>;
+ opp-microvolt = <1250000>;
+ clock-latency-ns = <200000>;
+ };
+ opp-1400000000 {
+ opp-hz = /bits/ 64 <1400000000>;
+ opp-microvolt = <1287500>;
+ clock-latency-ns = <200000>;
+ };
+ cpu0_opp_1500: opp-1500000000 {
+ opp-hz = /bits/ 64 <1500000000>;
+ opp-microvolt = <1350000>;
+ clock-latency-ns = <200000>;
+ turbo-mode;
+ };
+ };
+};
+
+&clock {
+ compatible = "samsung,exynos4212-clock";
+};
+
+&combiner {
+ samsung,combiner-nr = <18>;
+};
+
+&gic {
+ cpu-offset = <0x8000>;
+};
+
+&pmu {
+ interrupts = <2 2>, <3 2>;
+ interrupt-affinity = <&cpu0>, <&cpu1>;
+ status = "okay";
+};
+
+&pmu_system_controller {
+ compatible = "samsung,exynos4212-pmu", "simple-mfd", "syscon";
+};
Support for the Exynos4212 SoC was originally dropped as there were no boards using it. We will be adding a device that uses it, so add it back. This reverts commit bca9085e0ae93253bc93ce218c85ac7d7e7f1831. Signed-off-by: Artur Weber <aweber.kernel@gmail.com> --- Changed in v3: - Rebased on next/dt --- arch/arm/boot/dts/exynos4212.dtsi | 157 ++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 arch/arm/boot/dts/exynos4212.dtsi