Merge tag 'riscv-soc-for-v6.3-mw0' of...

Merge tag 'riscv-soc-for-v6.3-mw0' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers

RISC-V SoC drivers for v6.3-mw0

It's all StarFive stuff this time:
Their new JH7110 SoC uses a SiFive core complex, and therefore a
SiFive cache controller too. That needed a compatible added to both the
binding and driver.
The JH7110 also has power domains, which are supported by a new driver
and a corresponding dt-binding.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-soc-for-v6.3-mw0' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  soc: starfive: Add StarFive JH71XX pmu driver
  dt-bindings: power: Add starfive,jh7110-pmu
  soc: sifive: ccache: Add StarFive JH7110 support
  dt-bindings: sifive,ccache0: Support StarFive JH7110 SoC

Link: https://lore.kernel.org/r/Y9LNIm9pkr+Owv/e@spudSigned-off-by: Arnd Bergmann <arnd@arndb.de>

Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/starfive,jh7110-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Power Management Unit
+
+maintainers:
+  - Walker Chen <walker.chen@starfivetech.com>
+
+description: |
+  StarFive JH7110 SoC includes support for multiple power domains which can be
+  powered on/off by software based on different application scenes to save power.
+
+properties:
+  compatible:
+    enum:
+      - starfive,jh7110-pmu
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  "#power-domain-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#power-domain-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pwrc: power-controller@17030000 {
+        compatible = "starfive,jh7110-pmu";
+        reg = <0x17030000 0x10000>;
+        interrupts = <111>;
+        #power-domain-cells = <1>;
+    };

Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml

@@ -38,6 +38,10 @@ properties:
               - sifive,fu540-c000-ccache
               - sifive,fu740-c000-ccache
           - const: cache
+      - items:
+          - const: starfive,jh7110-ccache
+          - const: sifive,ccache0
+          - const: cache
       - items:
           - const: microchip,mpfs-ccache
           - const: sifive,fu540-c000-ccache
@@ -85,6 +89,7 @@ allOf:
           contains:
             enum:
               - sifive,fu740-c000-ccache
+              - starfive,jh7110-ccache
               - microchip,mpfs-ccache
 
     then:
@@ -105,7 +110,9 @@ allOf:
       properties:
         compatible:
           contains:
-            const: sifive,fu740-c000-ccache
+            enum:
+              - sifive,fu740-c000-ccache
+              - starfive,jh7110-ccache
 
     then:
       properties:

MAINTAINERS

@@ -19913,6 +19913,19 @@ F:	Documentation/devicetree/bindings/reset/starfive,jh7100-reset.yaml
 F:	drivers/reset/reset-starfive-jh7100.c
 F:	include/dt-bindings/reset/starfive-jh7100.h
 
+STARFIVE SOC DRIVERS
+M:	Conor Dooley <conor@kernel.org>
+S:	Maintained
+T:	git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
+F:	drivers/soc/starfive/
+
+STARFIVE JH71XX PMU CONTROLLER DRIVER
+M:	Walker Chen <walker.chen@starfivetech.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/power/starfive*
+F:	drivers/soc/starfive/jh71xx_pmu.c
+F:	include/dt-bindings/power/starfive,jh7110-pmu.h
+
 STATIC BRANCH/CALL
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	Josh Poimboeuf <jpoimboe@kernel.org>

drivers/soc/Kconfig

@@ -22,6 +22,7 @@ source "drivers/soc/renesas/Kconfig"
 source "drivers/soc/rockchip/Kconfig"
 source "drivers/soc/samsung/Kconfig"
 source "drivers/soc/sifive/Kconfig"
+source "drivers/soc/starfive/Kconfig"
 source "drivers/soc/sunxi/Kconfig"
 source "drivers/soc/tegra/Kconfig"
 source "drivers/soc/ti/Kconfig"

drivers/soc/Makefile

@@ -27,7 +27,8 @@ obj-y				+= qcom/
 obj-y				+= renesas/
 obj-y				+= rockchip/
 obj-$(CONFIG_SOC_SAMSUNG)	+= samsung/
-obj-$(CONFIG_SOC_SIFIVE)	+= sifive/
+obj-y				+= sifive/
+obj-$(CONFIG_SOC_STARFIVE)	+= starfive/
 obj-y				+= sunxi/
 obj-$(CONFIG_ARCH_TEGRA)	+= tegra/
 obj-y				+= ti/

drivers/soc/sifive/Kconfig

 # SPDX-License-Identifier: GPL-2.0
 
-if SOC_SIFIVE
+if SOC_SIFIVE || SOC_STARFIVE
 
 config SIFIVE_CCACHE
 	bool "Sifive Composable Cache controller"

drivers/soc/starfive/Kconfig

+# SPDX-License-Identifier: GPL-2.0
+
+config JH71XX_PMU
+	bool "Support PMU for StarFive JH71XX Soc"
+	depends on PM
+	depends on SOC_STARFIVE || COMPILE_TEST
+	default SOC_STARFIVE
+	select PM_GENERIC_DOMAINS
+	help
+	  Say 'y' here to enable support power domain support.
+	  In order to meet low power requirements, a Power Management Unit (PMU)
+	  is designed for controlling power resources in StarFive JH71XX SoCs.

drivers/soc/starfive/Makefile

+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_JH71XX_PMU)	+= jh71xx_pmu.o

include/dt-bindings/power/starfive,jh7110-pmu.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ * Author: Walker Chen <walker.chen@starfivetech.com>
+ */
+#ifndef __DT_BINDINGS_POWER_JH7110_POWER_H__
+#define __DT_BINDINGS_POWER_JH7110_POWER_H__
+
+#define JH7110_PD_SYSTOP	0
+#define JH7110_PD_CPU		1
+#define JH7110_PD_GPUA		2
+#define JH7110_PD_VDEC		3
+#define JH7110_PD_VOUT		4
+#define JH7110_PD_ISP		5
+#define JH7110_PD_VENC		6
+
+#endif