Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 285 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/realtek/Makefile b/arch/arm/boot/dts/realtek/Makefile
new file mode 100644
index 0000000000..c83671b556
--- /dev/null
+++ b/arch/arm/boot/dts/realtek/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_REALTEK) += \
+	rtd1195-horseradish.dtb \
+	rtd1195-mele-x1000.dtb
diff --git a/arch/arm/boot/dts/realtek/rtd1195-horseradish.dts b/arch/arm/boot/dts/realtek/rtd1195-horseradish.dts
new file mode 100644
index 0000000000..9d06d3d34c
--- /dev/null
+++ b/arch/arm/boot/dts/realtek/rtd1195-horseradish.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+/*
+ * Copyright (c) 2019 Andreas Färber
+ */
+
+/dts-v1/;
+
+#include "rtd1195.dtsi"
+
+/ {
+	compatible = "realtek,horseradish", "realtek,rtd1195";
+	model = "Realtek Horseradish EVB";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@a800 {
+		device_type = "memory";
+		reg = <0x0000a800 0x17ff5800>, /* boot ROM to r-bus */
+		      <0x18070000 0x00090000>, /* r-bus to NOR flash */
+		      <0x19100000 0x26f00000>; /* NOR flash to 1 GiB */
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/realtek/rtd1195-mele-x1000.dts b/arch/arm/boot/dts/realtek/rtd1195-mele-x1000.dts
new file mode 100644
index 0000000000..c7951b9a2c
--- /dev/null
+++ b/arch/arm/boot/dts/realtek/rtd1195-mele-x1000.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+/*
+ * Copyright (c) 2017-2019 Andreas Färber
+ */
+
+/dts-v1/;
+
+#include "rtd1195.dtsi"
+
+/ {
+	compatible = "mele,x1000", "realtek,rtd1195";
+	model = "MeLE X1000";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@a800 {
+		device_type = "memory";
+		reg = <0x0000a800 0x17ff5800>, /* boot ROM to r-bus */
+		      <0x18070000 0x00090000>, /* r-bus to NOR flash */
+		      <0x19100000 0x26f00000>; /* NOR flash to 1 GiB */
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/realtek/rtd1195.dtsi b/arch/arm/boot/dts/realtek/rtd1195.dtsi
new file mode 100644
index 0000000000..21897210d9
--- /dev/null
+++ b/arch/arm/boot/dts/realtek/rtd1195.dtsi
@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+/*
+ * Copyright (c) 2017-2019 Andreas Färber
+ */
+
+/memreserve/ 0x00000000 0x0000a800; /* boot code */
+/memreserve/ 0x0000a800 0x000f5800;
+/memreserve/ 0x17fff000 0x00001000;
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/reset/realtek,rtd1195.h>
+
+/ {
+	compatible = "realtek,rtd1195";
+	interrupt-parent = <&gic>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+			clock-frequency = <1000000000>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x1>;
+			clock-frequency = <1000000000>;
+		};
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		rpc_comm: rpc@b000 {
+			reg = <0x0000b000 0x1000>;
+		};
+
+		audio@1b00000 {
+			reg = <0x01b00000 0x400000>;
+		};
+
+		rpc_ringbuf: rpc@1ffe000 {
+			reg = <0x01ffe000 0x4000>;
+		};
+
+		secure@10000000 {
+			reg = <0x10000000 0x100000>;
+			no-map;
+		};
+	};
+
+	arm-pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>;
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14
+			(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11
+			(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10
+			(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+		clock-frequency = <27000000>;
+	};
+
+	osc27M: osc {
+		compatible = "fixed-clock";
+		clock-frequency = <27000000>;
+		#clock-cells = <0>;
+		clock-output-names = "osc27M";
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x00000000 0x00000000 0x0000a800>,
+			 <0x18000000 0x18000000 0x00070000>,
+			 <0x18100000 0x18100000 0x01000000>,
+			 <0x80000000 0x80000000 0x80000000>;
+
+		rbus: bus@18000000 {
+			compatible = "simple-bus";
+			reg = <0x18000000 0x70000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x18000000 0x70000>;
+
+			crt: syscon@0 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x0 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x0 0x1000>;
+			};
+
+			iso: syscon@7000 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x7000 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x7000 0x1000>;
+			};
+
+			sb2: syscon@1a000 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x1a000 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1a000 0x1000>;
+			};
+
+			misc: syscon@1b000 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x1b000 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1b000 0x1000>;
+			};
+
+			scpu_wrapper: syscon@1d000 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x1d000 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1d000 0x1000>;
+			};
+		};
+
+		gic: interrupt-controller@ff011000 {
+			compatible = "arm,cortex-a7-gic";
+			reg = <0xff011000 0x1000>,
+			      <0xff012000 0x2000>,
+			      <0xff014000 0x2000>,
+			      <0xff016000 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+		};
+	};
+};
+
+&crt {
+	reset1: reset-controller@0 {
+		compatible = "snps,dw-low-reset";
+		reg = <0x0 0x4>;
+		#reset-cells = <1>;
+	};
+
+	reset2: reset-controller@4 {
+		compatible = "snps,dw-low-reset";
+		reg = <0x4 0x4>;
+		#reset-cells = <1>;
+	};
+
+	reset3: reset-controller@8 {
+		compatible = "snps,dw-low-reset";
+		reg = <0x8 0x4>;
+		#reset-cells = <1>;
+	};
+};
+
+&iso {
+	iso_reset: reset-controller@88 {
+		compatible = "snps,dw-low-reset";
+		reg = <0x88 0x4>;
+		#reset-cells = <1>;
+	};
+
+	wdt: watchdog@680 {
+		compatible = "realtek,rtd1295-watchdog";
+		reg = <0x680 0x100>;
+		clocks = <&osc27M>;
+	};
+
+	uart0: serial@800 {
+		compatible = "snps,dw-apb-uart";
+		reg = <0x800 0x400>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		resets = <&iso_reset RTD1195_ISO_RSTN_UR0>;
+		clock-frequency = <27000000>;
+		status = "disabled";
+	};
+};
+
+&misc {
+	uart1: serial@200 {
+		compatible = "snps,dw-apb-uart";
+		reg = <0x200 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		resets = <&reset2 RTD1195_RSTN_UR1>;
+		clock-frequency = <27000000>;
+		status = "disabled";
+	};
+};