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@xxxxxxxxx> --- 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 diff --git a/arch/arm/boot/dts/exynos4212.dtsi b/arch/arm/boot/dts/exynos4212.dtsi new file mode 100644 index 000000000000..0ac3245788fc --- /dev/null +++ b/arch/arm/boot/dts/exynos4212.dtsi @@ -0,0 +1,157 @@ +// 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"; +}; -- 2.40.1
