Merge tag 'riscv-sg2042-clk-for-v6.11' of https://github.com/sophgo/linux into clk-sophgo

Pull RISC-V SG2042 clock driver changes from Chen Wang:

 - Add sg2042 clk driver

* tag 'riscv-sg2042-clk-for-v6.11' of https://github.com/sophgo/linux:
  clk: sophgo: Add SG2042 clock driver
  dt-bindings: clock: sophgo: add clkgen for SG2042
  dt-bindings: clock: sophgo: add RP gate clocks for SG2042
  dt-bindings: clock: sophgo: add pll clocks for SG2042

Documentation/devicetree/bindings/clock/sophgo,sg2042-clkgen.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/sophgo,sg2042-clkgen.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2042 Clock Generator for divider/mux/gate
+
+maintainers:
+  - Chen Wang <unicorn_wang@outlook.com>
+
+properties:
+  compatible:
+    const: sophgo,sg2042-clkgen
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Main PLL
+      - description: Fixed PLL
+      - description: DDR PLL 0
+      - description: DDR PLL 1
+
+  clock-names:
+    items:
+      - const: mpll
+      - const: fpll
+      - const: dpll0
+      - const: dpll1
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/sophgo,sg2042-clkgen.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@30012000 {
+      compatible = "sophgo,sg2042-clkgen";
+      reg = <0x30012000 0x1000>;
+      clocks = <&pllclk 0>,
+               <&pllclk 1>,
+               <&pllclk 2>,
+               <&pllclk 3>;
+      clock-names = "mpll",
+                    "fpll",
+                    "dpll0",
+                    "dpll1";
+      #clock-cells = <1>;
+    };

Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/sophgo,sg2042-pll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2042 PLL Clock Generator
+
+maintainers:
+  - Chen Wang <unicorn_wang@outlook.com>
+
+properties:
+  compatible:
+    const: sophgo,sg2042-pll
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Oscillator(Clock Generation IC) for Main/Fixed PLL (25 MHz)
+      - description: Oscillator(Clock Generation IC) for DDR PLL 0 (25 MHz)
+      - description: Oscillator(Clock Generation IC) for DDR PLL 1 (25 MHz)
+
+  clock-names:
+    items:
+      - const: cgi_main
+      - const: cgi_dpll0
+      - const: cgi_dpll1
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/sophgo,sg2042-pll.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@10000000 {
+      compatible = "sophgo,sg2042-pll";
+      reg = <0x10000000 0x10000>;
+      clocks = <&cgi_main>, <&cgi_dpll0>, <&cgi_dpll1>;
+      clock-names = "cgi_main", "cgi_dpll0", "cgi_dpll1";
+      #clock-cells = <1>;
+    };

Documentation/devicetree/bindings/clock/sophgo,sg2042-rpgate.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/sophgo,sg2042-rpgate.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2042 Gate Clock Generator for RP(riscv processors) subsystem
+
+maintainers:
+  - Chen Wang <unicorn_wang@outlook.com>
+
+properties:
+  compatible:
+    const: sophgo,sg2042-rpgate
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Gate clock for RP subsystem
+
+  clock-names:
+    items:
+      - const: rpgate
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/sophgo,sg2042-rpgate.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@20000000 {
+      compatible = "sophgo,sg2042-rpgate";
+      reg = <0x20000000 0x10000>;
+      clocks = <&clkgen 85>;
+      clock-names = "rpgate";
+      #clock-cells = <1>;
+    };

drivers/clk/sophgo/Kconfig

@@ -9,3 +9,31 @@ config CLK_SOPHGO_CV1800
 	  The driver require a 25MHz Oscillator to function generate clock.
 	  It includes PLLs, common clock function and some vendor clock for
 	  IPs of CV18XX series SoC
+
+config CLK_SOPHGO_SG2042_PLL
+	tristate "Sophgo SG2042 PLL clock support"
+	depends on ARCH_SOPHGO || COMPILE_TEST
+	help
+	  This driver supports the PLL clock controller on the
+	  Sophgo SG2042 SoC. This clock IP uses three oscillators with
+	  frequency of 25 MHz as input, which are used for Main/Fixed
+	  PLL, DDR PLL 0 and DDR PLL 1 respectively.
+
+config CLK_SOPHGO_SG2042_CLKGEN
+	tristate "Sophgo SG2042 Clock Generator support"
+	depends on CLK_SOPHGO_SG2042_PLL
+	help
+	  This driver supports the Clock Generator on the
+	  Sophgo SG2042 SoC. This clock IP depends on SG2042 PLL clock
+	  because it uses PLL clocks as input.
+	  This driver provides clock function such as DIV/Mux/Gate.
+
+config CLK_SOPHGO_SG2042_RPGATE
+	tristate "Sophgo SG2042 RP subsystem clock controller support"
+	depends on CLK_SOPHGO_SG2042_CLKGEN
+	help
+	  This driver supports the RP((Riscv Processors)) subsystem clock
+	  controller on the Sophgo SG2042 SoC.
+	  This clock IP depends on SG2042 Clock Generator because it uses
+	  clock from Clock Generator IP as input.
+	  This driver provides Gate function for RP.

drivers/clk/sophgo/Makefile

@@ -5,3 +5,7 @@ clk-sophgo-cv1800-y		+= clk-cv1800.o
 clk-sophgo-cv1800-y		+= clk-cv18xx-common.o
 clk-sophgo-cv1800-y		+= clk-cv18xx-ip.o
 clk-sophgo-cv1800-y		+= clk-cv18xx-pll.o
+
+obj-$(CONFIG_CLK_SOPHGO_SG2042_CLKGEN)	+= clk-sg2042-clkgen.o
+obj-$(CONFIG_CLK_SOPHGO_SG2042_PLL)	+= clk-sg2042-pll.o
+obj-$(CONFIG_CLK_SOPHGO_SG2042_RPGATE)	+= clk-sg2042-rpgate.o

drivers/clk/sophgo/clk-sg2042.h

+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _CLK_SOPHGO_SG2042_H_
+#define _CLK_SOPHGO_SG2042_H_
+
+#include <linux/io.h>
+#include <linux/clk-provider.h>
+
+/**
+ * struct sg2042_clk_data - Common data of clock-controller
+ * @iobase: base address of clock-controller
+ * @onecell_data: used for adding providers.
+ */
+struct sg2042_clk_data {
+	void __iomem *iobase;
+	struct clk_hw_onecell_data onecell_data;
+};
+
+#endif /* _CLK_SOPHGO_SG2042_H_ */

include/dt-bindings/clock/sophgo,sg2042-clkgen.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Sophgo Technology Inc. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_SOPHGO_SG2042_CLKGEN_H__
+#define __DT_BINDINGS_SOPHGO_SG2042_CLKGEN_H__
+
+#define DIV_CLK_MPLL_RP_CPU_NORMAL_0	0
+#define DIV_CLK_MPLL_AXI_DDR_0		1
+#define DIV_CLK_FPLL_DDR01_1		2
+#define DIV_CLK_FPLL_DDR23_1		3
+#define DIV_CLK_FPLL_RP_CPU_NORMAL_1	4
+#define DIV_CLK_FPLL_50M_A53		5
+#define DIV_CLK_FPLL_TOP_RP_CMN_DIV2	6
+#define DIV_CLK_FPLL_UART_500M		7
+#define DIV_CLK_FPLL_AHB_LPC		8
+#define DIV_CLK_FPLL_EFUSE		9
+#define DIV_CLK_FPLL_TX_ETH0		10
+#define DIV_CLK_FPLL_PTP_REF_I_ETH0	11
+#define DIV_CLK_FPLL_REF_ETH0		12
+#define DIV_CLK_FPLL_EMMC		13
+#define DIV_CLK_FPLL_SD			14
+#define DIV_CLK_FPLL_TOP_AXI0		15
+#define DIV_CLK_FPLL_TOP_AXI_HSPERI	16
+#define DIV_CLK_FPLL_AXI_DDR_1		17
+#define DIV_CLK_FPLL_DIV_TIMER1		18
+#define DIV_CLK_FPLL_DIV_TIMER2		19
+#define DIV_CLK_FPLL_DIV_TIMER3		20
+#define DIV_CLK_FPLL_DIV_TIMER4		21
+#define DIV_CLK_FPLL_DIV_TIMER5		22
+#define DIV_CLK_FPLL_DIV_TIMER6		23
+#define DIV_CLK_FPLL_DIV_TIMER7		24
+#define DIV_CLK_FPLL_DIV_TIMER8		25
+#define DIV_CLK_FPLL_100K_EMMC		26
+#define DIV_CLK_FPLL_100K_SD		27
+#define DIV_CLK_FPLL_GPIO_DB		28
+#define DIV_CLK_DPLL0_DDR01_0		29
+#define DIV_CLK_DPLL1_DDR23_0		30
+
+#define GATE_CLK_RP_CPU_NORMAL_DIV0	31
+#define GATE_CLK_AXI_DDR_DIV0		32
+
+#define GATE_CLK_RP_CPU_NORMAL_DIV1	33
+#define GATE_CLK_A53_50M		34
+#define GATE_CLK_TOP_RP_CMN_DIV2	35
+#define GATE_CLK_HSDMA			36
+#define GATE_CLK_EMMC_100M		37
+#define GATE_CLK_SD_100M		38
+#define GATE_CLK_TX_ETH0		39
+#define GATE_CLK_PTP_REF_I_ETH0		40
+#define GATE_CLK_REF_ETH0		41
+#define GATE_CLK_UART_500M		42
+#define GATE_CLK_EFUSE			43
+
+#define GATE_CLK_AHB_LPC		44
+#define GATE_CLK_AHB_ROM		45
+#define GATE_CLK_AHB_SF			46
+
+#define GATE_CLK_APB_UART		47
+#define GATE_CLK_APB_TIMER		48
+#define GATE_CLK_APB_EFUSE		49
+#define GATE_CLK_APB_GPIO		50
+#define GATE_CLK_APB_GPIO_INTR		51
+#define GATE_CLK_APB_SPI		52
+#define GATE_CLK_APB_I2C		53
+#define GATE_CLK_APB_WDT		54
+#define GATE_CLK_APB_PWM		55
+#define GATE_CLK_APB_RTC		56
+
+#define GATE_CLK_AXI_PCIE0		57
+#define GATE_CLK_AXI_PCIE1		58
+#define GATE_CLK_SYSDMA_AXI		59
+#define GATE_CLK_AXI_DBG_I2C		60
+#define GATE_CLK_AXI_SRAM		61
+#define GATE_CLK_AXI_ETH0		62
+#define GATE_CLK_AXI_EMMC		63
+#define GATE_CLK_AXI_SD			64
+#define GATE_CLK_TOP_AXI0		65
+#define GATE_CLK_TOP_AXI_HSPERI		66
+
+#define GATE_CLK_TIMER1			67
+#define GATE_CLK_TIMER2			68
+#define GATE_CLK_TIMER3			69
+#define GATE_CLK_TIMER4			70
+#define GATE_CLK_TIMER5			71
+#define GATE_CLK_TIMER6			72
+#define GATE_CLK_TIMER7			73
+#define GATE_CLK_TIMER8			74
+#define GATE_CLK_100K_EMMC		75
+#define GATE_CLK_100K_SD		76
+#define GATE_CLK_GPIO_DB		77
+
+#define GATE_CLK_AXI_DDR_DIV1		78
+#define GATE_CLK_DDR01_DIV1		79
+#define GATE_CLK_DDR23_DIV1		80
+
+#define GATE_CLK_DDR01_DIV0		81
+#define GATE_CLK_DDR23_DIV0		82
+
+#define GATE_CLK_DDR01			83
+#define GATE_CLK_DDR23			84
+#define GATE_CLK_RP_CPU_NORMAL		85
+#define GATE_CLK_AXI_DDR		86
+
+#define MUX_CLK_DDR01			87
+#define MUX_CLK_DDR23			88
+#define MUX_CLK_RP_CPU_NORMAL		89
+#define MUX_CLK_AXI_DDR			90
+
+#endif /* __DT_BINDINGS_SOPHGO_SG2042_CLKGEN_H__ */

include/dt-bindings/clock/sophgo,sg2042-pll.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Sophgo Technology Inc. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_SOPHGO_SG2042_PLL_H__
+#define __DT_BINDINGS_SOPHGO_SG2042_PLL_H__
+
+#define MPLL_CLK			0
+#define FPLL_CLK			1
+#define DPLL0_CLK			2
+#define DPLL1_CLK			3
+
+#endif /* __DT_BINDINGS_SOPHGO_SG2042_PLL_H__ */

include/dt-bindings/clock/sophgo,sg2042-rpgate.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Sophgo Technology Inc. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_SOPHGO_SG2042_RPGATE_H__
+#define __DT_BINDINGS_SOPHGO_SG2042_RPGATE_H__
+
+#define GATE_CLK_RXU0			0
+#define GATE_CLK_RXU1			1
+#define GATE_CLK_RXU2			2
+#define GATE_CLK_RXU3			3
+#define GATE_CLK_RXU4			4
+#define GATE_CLK_RXU5			5
+#define GATE_CLK_RXU6			6
+#define GATE_CLK_RXU7			7
+#define GATE_CLK_RXU8			8
+#define GATE_CLK_RXU9			9
+#define GATE_CLK_RXU10			10
+#define GATE_CLK_RXU11			11
+#define GATE_CLK_RXU12			12
+#define GATE_CLK_RXU13			13
+#define GATE_CLK_RXU14			14
+#define GATE_CLK_RXU15			15
+#define GATE_CLK_RXU16			16
+#define GATE_CLK_RXU17			17
+#define GATE_CLK_RXU18			18
+#define GATE_CLK_RXU19			19
+#define GATE_CLK_RXU20			20
+#define GATE_CLK_RXU21			21
+#define GATE_CLK_RXU22			22
+#define GATE_CLK_RXU23			23
+#define GATE_CLK_RXU24			24
+#define GATE_CLK_RXU25			25
+#define GATE_CLK_RXU26			26
+#define GATE_CLK_RXU27			27
+#define GATE_CLK_RXU28			28
+#define GATE_CLK_RXU29			29
+#define GATE_CLK_RXU30			30
+#define GATE_CLK_RXU31			31
+#define GATE_CLK_MP0			32
+#define GATE_CLK_MP1			33
+#define GATE_CLK_MP2			34
+#define GATE_CLK_MP3			35
+#define GATE_CLK_MP4			36
+#define GATE_CLK_MP5			37
+#define GATE_CLK_MP6			38
+#define GATE_CLK_MP7			39
+#define GATE_CLK_MP8			40
+#define GATE_CLK_MP9			41
+#define GATE_CLK_MP10			42
+#define GATE_CLK_MP11			43
+#define GATE_CLK_MP12			44
+#define GATE_CLK_MP13			45
+#define GATE_CLK_MP14			46
+#define GATE_CLK_MP15			47
+
+#endif /* __DT_BINDINGS_SOPHGO_SG2042_RPGATE_H__ */