diff mbox series

[v3,10/13] ARM: dts: Re-introduce Exynos4212 DTSI

Message ID 20230501195525.6268-11-aweber.kernel@gmail.com (mailing list archive)
State Accepted
Headers show
Series Re-introduce Exynos4212 support and add Samsung Galaxy Tab 3 8.0 boards | expand

Commit Message

Artur Weber May 1, 2023, 7:55 p.m. UTC 
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

Comments

Krzysztof Kozlowski May 9, 2023, 6:09 p.m. UTC | #1 
On Mon, 01 May 2023 21:55:22 +0200, Artur Weber wrote:
> 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.
> 
> 
> [...]

Applied, thanks!

[10/13] ARM: dts: Re-introduce Exynos4212 DTSI
        https://git.kernel.org/krzk/linux/c/41bf1a9f9fbdec5dd1ba69fe26157f42e44dcee4

Best regards,
diff mbox series

Patch

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";
+};