- Allwinner A100 DMA node

- Allwinner H6 GPU devfreq scaling
 - sunxi sram bindings cleanup and D1 addition
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Merge tag 'sunxi-dt-for-6.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/dt

- Allwinner A100 DMA node
- Allwinner H6 GPU devfreq scaling
- sunxi sram bindings cleanup and D1 addition

* tag 'sunxi-dt-for-6.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  dt-bindings: sram: sunxi-sram: Add D1 compatible string
  dt-bindings: sram: sunxi-sram: Clean up the compatible lists
  arm64: dts: allwinner: beelink-gs1: Enable GPU OPP
  arm64: dts: allwinner: h6: Add GPU OPP table
  arm64: dts: allwinner: h6: Add cooling map for GPU
  arm64: dts: allwinner: a100: Add I2C DMA requests
  arm64: dts: allwinner: a100: Add device node for DMA controller

Link: https://lore.kernel.org/r/YyePKDnOeP8Tdt5n@kista.localdomain
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml

@@ -24,32 +24,31 @@ properties:
 
   compatible:
     oneOf:
-      - const: allwinner,sun4i-a10-sram-controller
+      - enum:
+          - allwinner,sun4i-a10-sram-controller
+          - allwinner,sun50i-a64-sram-controller
         deprecated: true
-      - const: allwinner,sun4i-a10-system-control
+      - enum:
-      - const: allwinner,sun5i-a13-system-control
+          - allwinner,sun4i-a10-system-control
+          - allwinner,sun5i-a13-system-control
+          - allwinner,sun8i-a23-system-control
+          - allwinner,sun8i-h3-system-control
+          - allwinner,sun20i-d1-system-control
+          - allwinner,sun50i-a64-system-control
+          - allwinner,sun50i-h5-system-control
+          - allwinner,sun50i-h616-system-control
       - items:
-          - const: allwinner,sun7i-a20-system-control
+          - enum:
+              - allwinner,suniv-f1c100s-system-control
+              - allwinner,sun7i-a20-system-control
+              - allwinner,sun8i-r40-system-control
           - const: allwinner,sun4i-a10-system-control
-      - const: allwinner,sun8i-a23-system-control
-      - const: allwinner,sun8i-h3-system-control
       - items:
           - const: allwinner,sun8i-v3s-system-control
           - const: allwinner,sun8i-h3-system-control
-      - items:
-          - const: allwinner,sun8i-r40-system-control
-          - const: allwinner,sun4i-a10-system-control
-      - const: allwinner,sun50i-a64-sram-controller
-        deprecated: true
-      - const: allwinner,sun50i-a64-system-control
-      - const: allwinner,sun50i-h5-system-control
       - items:
           - const: allwinner,sun50i-h6-system-control
           - const: allwinner,sun50i-a64-system-control
-      - items:
-          - const: allwinner,suniv-f1c100s-system-control
-          - const: allwinner,sun4i-a10-system-control
-      - const: allwinner,sun50i-h616-system-control
 
   reg:
     maxItems: 1
@@ -76,43 +75,26 @@ patternProperties:
               - const: allwinner,sun4i-a10-sram-d
               - const: allwinner,sun50i-a64-sram-c
               - items:
-                  - const: allwinner,sun5i-a13-sram-a3-a4
+                  - enum:
+                      - allwinner,sun5i-a13-sram-a3-a4
+                      - allwinner,sun7i-a20-sram-a3-a4
                   - const: allwinner,sun4i-a10-sram-a3-a4
               - items:
-                  - const: allwinner,sun7i-a20-sram-a3-a4
+                  - enum:
-                  - const: allwinner,sun4i-a10-sram-a3-a4
+                      - allwinner,sun5i-a13-sram-c1
-              - items:
+                      - allwinner,sun7i-a20-sram-c1
-                  - const: allwinner,sun5i-a13-sram-c1
+                      - allwinner,sun8i-a23-sram-c1
+                      - allwinner,sun8i-h3-sram-c1
+                      - allwinner,sun8i-r40-sram-c1
+                      - allwinner,sun50i-a64-sram-c1
+                      - allwinner,sun50i-h5-sram-c1
+                      - allwinner,sun50i-h6-sram-c1
                   - const: allwinner,sun4i-a10-sram-c1
               - items:
-                  - const: allwinner,sun7i-a20-sram-c1
+                  - enum:
-                  - const: allwinner,sun4i-a10-sram-c1
+                      - allwinner,suniv-f1c100s-sram-d
-              - items:
+                      - allwinner,sun5i-a13-sram-d
-                  - const: allwinner,sun8i-a23-sram-c1
+                      - allwinner,sun7i-a20-sram-d
-                  - const: allwinner,sun4i-a10-sram-c1
-              - items:
-                  - const: allwinner,sun8i-h3-sram-c1
-                  - const: allwinner,sun4i-a10-sram-c1
-              - items:
-                  - const: allwinner,sun8i-r40-sram-c1
-                  - const: allwinner,sun4i-a10-sram-c1
-              - items:
-                  - const: allwinner,sun50i-a64-sram-c1
-                  - const: allwinner,sun4i-a10-sram-c1
-              - items:
-                  - const: allwinner,sun50i-h5-sram-c1
-                  - const: allwinner,sun4i-a10-sram-c1
-              - items:
-                  - const: allwinner,sun50i-h6-sram-c1
-                  - const: allwinner,sun4i-a10-sram-c1
-              - items:
-                  - const: allwinner,sun5i-a13-sram-d
-                  - const: allwinner,sun4i-a10-sram-d
-              - items:
-                  - const: allwinner,sun7i-a20-sram-d
-                  - const: allwinner,sun4i-a10-sram-d
-              - items:
-                  - const: allwinner,suniv-f1c100s-sram-d
                   - const: allwinner,sun4i-a10-sram-d
               - items:
                   - const: allwinner,sun50i-h6-sram-c

arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi

@@ -101,6 +101,18 @@
 			#reset-cells = <1>;
 		};
 
+		dma: dma-controller@3002000 {
+			compatible = "allwinner,sun50i-a100-dma";
+			reg = <0x03002000 0x1000>;
+			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;
+			clock-names = "bus", "mbus";
+			resets = <&ccu RST_BUS_DMA>;
+			dma-channels = <8>;
+			dma-requests = <52>;
+			#dma-cells = <1>;
+		};
+
 		gic: interrupt-controller@3021000 {
 			compatible = "arm,gic-400";
 			reg = <0x03021000 0x1000>, <0x03022000 0x2000>,
@@ -209,6 +221,8 @@
 			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&ccu CLK_BUS_I2C0>;
 			resets = <&ccu RST_BUS_I2C0>;
+			dmas = <&dma 43>, <&dma 43>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -222,6 +236,8 @@
 			interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&ccu CLK_BUS_I2C1>;
 			resets = <&ccu RST_BUS_I2C1>;
+			dmas = <&dma 44>, <&dma 44>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -235,6 +251,8 @@
 			interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&ccu CLK_BUS_I2C2>;
 			resets = <&ccu RST_BUS_I2C2>;
+			dmas = <&dma 45>, <&dma 45>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -248,6 +266,8 @@
 			interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&ccu CLK_BUS_I2C3>;
 			resets = <&ccu RST_BUS_I2C3>;
+			dmas = <&dma 46>, <&dma 46>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -325,6 +345,8 @@
 			interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&r_ccu CLK_R_APB2_I2C0>;
 			resets = <&r_ccu RST_R_APB2_I2C0>;
+			dmas = <&dma 50>, <&dma 50>;
+			dma-names = "rx", "tx";
 			pinctrl-names = "default";
 			pinctrl-0 = <&r_i2c0_pins>;
 			status = "disabled";
@@ -340,6 +362,8 @@
 			interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&r_ccu CLK_R_APB2_I2C1>;
 			resets = <&r_ccu RST_R_APB2_I2C1>;
+			dmas = <&dma 51>, <&dma 51>;
+			dma-names = "rx", "tx";
 			pinctrl-names = "default";
 			pinctrl-0 = <&r_i2c1_pins>;
 			status = "disabled";

arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts

@@ -5,6 +5,7 @@
 
 #include "sun50i-h6.dtsi"
 #include "sun50i-h6-cpu-opp.dtsi"
+#include "sun50i-h6-gpu-opp.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
 

arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi

@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (C) 2022 Clément Péron <peron.clem@gmail.com>
+
+/ {
+	gpu_opp_table: opp-table-gpu {
+		compatible = "operating-points-v2";
+
+		opp-216000000 {
+			opp-hz = /bits/ 64 <216000000>;
+			opp-microvolt = <810000 810000 1200000>;
+		};
+
+		opp-264000000 {
+			opp-hz = /bits/ 64 <264000000>;
+			opp-microvolt = <810000 810000 1200000>;
+		};
+
+		opp-312000000 {
+			opp-hz = /bits/ 64 <312000000>;
+			opp-microvolt = <810000 810000 1200000>;
+		};
+
+		opp-336000000 {
+			opp-hz = /bits/ 64 <336000000>;
+			opp-microvolt = <810000 810000 1200000>;
+		};
+
+		opp-360000000 {
+			opp-hz = /bits/ 64 <360000000>;
+			opp-microvolt = <820000 820000 1200000>;
+		};
+
+		opp-384000000 {
+			opp-hz = /bits/ 64 <384000000>;
+			opp-microvolt = <830000 830000 1200000>;
+		};
+
+		opp-408000000 {
+			opp-hz = /bits/ 64 <408000000>;
+			opp-microvolt = <840000 840000 1200000>;
+		};
+
+		opp-420000000 {
+			opp-hz = /bits/ 64 <420000000>;
+			opp-microvolt = <850000 850000 1200000>;
+		};
+
+		opp-432000000 {
+			opp-hz = /bits/ 64 <432000000>;
+			opp-microvolt = <860000 860000 1200000>;
+		};
+
+		opp-456000000 {
+			opp-hz = /bits/ 64 <456000000>;
+			opp-microvolt = <870000 870000 1200000>;
+		};
+
+		opp-504000000 {
+			opp-hz = /bits/ 64 <504000000>;
+			opp-microvolt = <890000 890000 1200000>;
+		};
+
+		opp-540000000 {
+			opp-hz = /bits/ 64 <540000000>;
+			opp-microvolt = <910000 910000 1200000>;
+		};
+
+		opp-576000000 {
+			opp-hz = /bits/ 64 <576000000>;
+			opp-microvolt = <930000 930000 1200000>;
+		};
+
+		opp-624000000 {
+			opp-hz = /bits/ 64 <624000000>;
+			opp-microvolt = <950000 950000 1200000>;
+		};
+
+		opp-756000000 {
+			opp-hz = /bits/ 64 <756000000>;
+			opp-microvolt = <1040000 1040000 1200000>;
+		};
+	};
+};
+
+&gpu {
+	operating-points-v2 = <&gpu_opp_table>;
+};

arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi

@@ -186,6 +186,7 @@
 			clocks = <&ccu CLK_GPU>, <&ccu CLK_BUS_GPU>;
 			clock-names = "core", "bus";
 			resets = <&ccu RST_BUS_GPU>;
+			#cooling-cells = <2>;
 			status = "disabled";
 		};
 
@@ -1072,9 +1073,55 @@
 		};
 
 		gpu-thermal {
-			polling-delay-passive = <0>;
+			polling-delay-passive = <1000>;
-			polling-delay = <0>;
+			polling-delay = <2000>;
 			thermal-sensors = <&ths 1>;
+
+			trips {
+				gpu_alert0: gpu-alert-0 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu_alert1: gpu-alert-1 {
+					temperature = <100000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu_alert2: gpu-alert-2 {
+					temperature = <105000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu-crit {
+					temperature = <115000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				// Forbid the GPU to go over 756MHz
+				map0 {
+					trip = <&gpu_alert0>;
+					cooling-device = <&gpu 1 THERMAL_NO_LIMIT>;
+				};
+
+				// Forbid the GPU to go over 624MHz
+				map1 {
+					trip = <&gpu_alert1>;
+					cooling-device = <&gpu 2 THERMAL_NO_LIMIT>;
+				};
+
+				// Forbid the GPU to go over 576MHz
+				map2 {
+					trip = <&gpu_alert2>;
+					cooling-device = <&gpu 3 THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 	};
 };