Merge tag 'samsung-dt-5.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt

Samsung DTS ARM changes for v5.20, part two

1. Cleanups: align SDHCI node names.
2. DT bindings: Document preferred compatible naming schema.
3. DT bindings: fixes and improvements to Exynos PMU bindings.

* tag 'samsung-dt-5.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
dt-bindings: soc: samsung: exynos-pmu: add reboot-mode
dt-bindings: soc: samsung: exynos-pmu: use abolute ref paths
dt-bindings: soc: samsung: exynos-pmu: cleanup assigned clocks
dt-bindings: samsung: document preferred compatible naming
ARM: dts: s5pv210: align SDHCI node name with dtschema
ARM: dts: s3c64xx: align SDHCI node name with dtschema
ARM: dts: s3c24xx: align SDHCI node name with dtschema
ARM: dts: exynos: align SDHCI node name with dtschema

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnd Bergmann <[e-mail]>

Documentation/devicetree/bindings/arm/samsung/samsung-soc.yaml

···
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/samsung/samsung-soc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S3C, S5P and Exynos SoC compatibles naming convention
+
+maintainers:
+  - Krzysztof Kozlowski <[e-mail]>
+
+description: |
+  Guidelines for new compatibles for SoC blocks/components.
+  When adding new compatibles in new bindings, use the format::
+    samsung,SoC-IP
+
+  For example::
+    samsung,exynos5433-cmu-isp
+
+select:
+  properties:
+    compatible:
+      pattern: "^samsung,.*(s3c|s5pv|exynos)[0-9a-z]+.*$"
+  required:
+    - compatible
+
+properties:
+  compatible:
+    oneOf:
+      - description: Preferred naming style for compatibles of SoC components
+        pattern: "^samsung,(s3c|s5pv|exynos|exynosautov)[0-9]+-.*$"
+
+      # Legacy compatibles with wild-cards - list cannot grow with new bindings:
+      - enum:
+          - samsung,exynos4x12-pinctrl
+          - samsung,exynos4x12-usb2-phy
+          - samsung,s3c64xx-pinctrl
+          - samsung,s3c64xx-wakeup-eint
+
+additionalProperties: true

Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml

···
   reg:
     maxItems: 1
 
-  assigned-clock-parents: true
-  assigned-clocks: true
-
   '#clock-cells':
     const: 1
 
···
       Must be identical to the that of the parent interrupt controller.
     const: 3
 
+  reboot-mode:
+    $ref: /schemas/power/reset/syscon-reboot-mode.yaml
+    type: object
+    description:
+      Reboot mode to alter bootloader behavior for the next boot
+
   syscon-poweroff:
-    $ref: "../../power/reset/syscon-poweroff.yaml#"
+    $ref: /schemas/power/reset/syscon-poweroff.yaml#
     type: object
     description:
       Node for power off method
 
   syscon-reboot:
-    $ref: "../../power/reset/syscon-reboot.yaml#"
+    $ref: /schemas/power/reset/syscon-reboot.yaml#
     type: object
     description:
       Node for reboot method

arch/arm/boot/dts/exynos4.dtsi

···
 			status = "disabled";
 		};
 
-		sdhci_0: sdhci@12510000 {
+		sdhci_0: mmc@12510000 {
 			compatible = "samsung,exynos4210-sdhci";
 			reg = <0x12510000 0x100>;
 			interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
···
 			status = "disabled";
 		};
 
-		sdhci_1: sdhci@12520000 {
+		sdhci_1: mmc@12520000 {
 			compatible = "samsung,exynos4210-sdhci";
 			reg = <0x12520000 0x100>;
 			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
···
 			status = "disabled";
 		};
 
-		sdhci_2: sdhci@12530000 {
+		sdhci_2: mmc@12530000 {
 			compatible = "samsung,exynos4210-sdhci";
 			reg = <0x12530000 0x100>;
 			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
···
 			status = "disabled";
 		};
 
-		sdhci_3: sdhci@12540000 {
+		sdhci_3: mmc@12540000 {
 			compatible = "samsung,exynos4210-sdhci";
 			reg = <0x12540000 0x100>;
 			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;

arch/arm/boot/dts/s3c2416.dtsi

···
 		status = "disabled";
 	};
 
-	sdhci_1: sdhci@4ac00000 {
+	sdhci_1: mmc@4ac00000 {
 		compatible = "samsung,s3c6410-sdhci";
 		reg = <0x4AC00000 0x100>;
 		interrupts = <0 0 21 3>;
···
 		status = "disabled";
 	};
 
-	sdhci_0: sdhci@4a800000 {
+	sdhci_0: mmc@4a800000 {
 		compatible = "samsung,s3c6410-sdhci";
 		reg = <0x4A800000 0x100>;
 		interrupts = <0 0 20 3>;

arch/arm/boot/dts/s3c64xx.dtsi

···
 			#interrupt-cells = <1>;
 		};
 
-		sdhci0: sdhci@7c200000 {
+		sdhci0: mmc@7c200000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0x7c200000 0x100>;
 			interrupt-parent = <&vic1>;
···
 			status = "disabled";
 		};
 
-		sdhci1: sdhci@7c300000 {
+		sdhci1: mmc@7c300000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0x7c300000 0x100>;
 			interrupt-parent = <&vic1>;
···
 			status = "disabled";
 		};
 
-		sdhci2: sdhci@7c400000 {
+		sdhci2: mmc@7c400000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0x7c400000 0x100>;
 			interrupt-parent = <&vic1>;

arch/arm/boot/dts/s5pv210.dtsi

···
 			status = "disabled";
 		};
 
-		sdhci0: sdhci@eb000000 {
+		sdhci0: mmc@eb000000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0xeb000000 0x100000>;
 			interrupt-parent = <&vic1>;
···
 			status = "disabled";
 		};
 
-		sdhci1: sdhci@eb100000 {
+		sdhci1: mmc@eb100000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0xeb100000 0x100000>;
 			interrupt-parent = <&vic1>;
···
 			status = "disabled";
 		};
 
-		sdhci2: sdhci@eb200000 {
+		sdhci2: mmc@eb200000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0xeb200000 0x100000>;
 			interrupt-parent = <&vic1>;
···
 			status = "disabled";
 		};
 
-		sdhci3: sdhci@eb300000 {
+		sdhci3: mmc@eb300000 {
 			compatible = "samsung,s3c6410-sdhci";
 			reg = <0xeb300000 0x100000>;
 			interrupt-parent = <&vic3>;