Merge tag 'spacemit-dt-for-6.17-1' of https://github.com/spacemit-com/linux into soc/dt

RISC-V SpacemiT DT changes for 6.17

- Add DMA translation buses
- Add PWM support
- Add Reset support
- Add eMMC node

* tag 'spacemit-dt-for-6.17-1' of https://github.com/spacemit-com/linux:
  riscv: dts: spacemit: Move eMMC under storage-bus for K1
  riscv: dts: spacemit: Move UARTs under dma-bus for K1
  riscv: dts: spacemit: Add DMA translation buses for K1
  riscv: dts: spacemit: add pwm14_1 pinctrl setting
  riscv: dts: spacemit: add PWM support for K1 SoC
  riscv: dts: spacemit: add reset support for the K1 SoC
  dt-bindings: soc: spacemit: define spacemit,k1-ccu resets
  riscv: dts: spacemit: enable eMMC for K1 SoC

Link: https://lore.kernel.org/r/20250715014214-GYA540030@gentoo
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: arndb

Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml

@@ -19,6 +19,9 @@ properties:
       - spacemit,k1-syscon-apbc
       - spacemit,k1-syscon-apmu
       - spacemit,k1-syscon-mpmu
+      - spacemit,k1-syscon-rcpu
+      - spacemit,k1-syscon-rcpu2
+      - spacemit,k1-syscon-apbc2
 
   reg:
     maxItems: 1
@@ -47,23 +50,35 @@ properties:
 required:
   - compatible
   - reg
-  - clocks
-  - clock-names
-  - "#clock-cells"
   - "#reset-cells"
 
 allOf:
   - if:
       properties:
         compatible:
           contains:
-            const: spacemit,k1-syscon-apbc
+            enum:
+              - spacemit,k1-syscon-apmu
+              - spacemit,k1-syscon-mpmu
     then:
+      required:
+        - "#power-domain-cells"
+    else:
       properties:
         "#power-domain-cells": false
-    else:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - spacemit,k1-syscon-apbc
+              - spacemit,k1-syscon-apmu
+              - spacemit,k1-syscon-mpmu
+    then:
       required:
-        - "#power-domain-cells"
+        - clocks
+        - clock-names
+        - "#clock-cells"
 
 additionalProperties: false
 

arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts

@@ -30,6 +30,16 @@
 	};
 };
 
+&emmc {
+	bus-width = <8>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	non-removable;
+	no-sd;
+	no-sdio;
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_2_cfg>;

arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi

@@ -20,4 +20,12 @@
 			drive-strength = <32>;
 		};
 	};
+
+	pwm14_1_cfg: pwm14-1-cfg {
+		pwm14-1-pins {
+			pinmux = <K1_PADCONF(44, 4)>;
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
 };