From: Chen Wang <unicorn_wang@xxxxxxxxxxx> Add bindings for the clock generator on the SG2042 RISC-V SoC. Signed-off-by: Chen Wang <unicorn_wang@xxxxxxxxxxx> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> --- .../bindings/clock/sophgo,sg2042-clkgen.yaml | 53 ++++++ .../dt-bindings/clock/sophgo,sg2042-clkgen.h | 169 ++++++++++++++++++ 2 files changed, 222 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/sophgo,sg2042-clkgen.yaml create mode 100644 include/dt-bindings/clock/sophgo,sg2042-clkgen.h diff --git a/Documentation/devicetree/bindings/clock/sophgo,sg2042-clkgen.yaml b/Documentation/devicetree/bindings/clock/sophgo,sg2042-clkgen.yaml new file mode 100644 index 000000000000..f9935e66fc95 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/sophgo,sg2042-clkgen.yaml @@ -0,0 +1,53 @@ +# 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 + +maintainers: + - Chen Wang <unicorn_wang@xxxxxxxxxxx> + +properties: + compatible: + const: sophgo,sg2042-clkgen + + reg: + maxItems: 1 + + sophgo,system-ctrl: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to SG2042 System Controller node. On SG2042, part of control + registers of Clock Controller are defined in System controller. Clock + driver will use this phandle to get the register map base to plus the + offset of the registers to access them. + + clocks: + items: + - description: Clock Generation IC (25 MHz) + + '#clock-cells': + const: 1 + description: + See <dt-bindings/clock/sophgo,sg2042-clkgen.h> for valid indices. + +required: + - compatible + - reg + - sophgo,system-ctrl + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + - | + clock-controller@30012000 { + compatible = "sophgo,sg2042-clkgen"; + reg = <0x30012000 0x1000>; + sophgo,system-ctrl = <&sys_ctrl>; + clocks = <&cgi>; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/sophgo,sg2042-clkgen.h b/include/dt-bindings/clock/sophgo,sg2042-clkgen.h new file mode 100644 index 000000000000..78cd3c3efdb6 --- /dev/null +++ b/include/dt-bindings/clock/sophgo,sg2042-clkgen.h @@ -0,0 +1,169 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* + * Copyright (C) 2023 Sophgo Technology Inc. All rights reserved. + */ + +#ifndef __DT_BINDINGS_CLOCK_SOPHGO_SG2042_H__ +#define __DT_BINDINGS_CLOCK_SOPHGO_SG2042_H__ + +/* Divider clocks */ +#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 + +/* Gate clocks */ +#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 +/* DPLL0 */ +#define GATE_CLK_DDR01_DIV0 81 +/* DPLL1 */ +#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 GATE_CLK_RXU0 87 +#define GATE_CLK_RXU1 88 +#define GATE_CLK_RXU2 89 +#define GATE_CLK_RXU3 90 +#define GATE_CLK_RXU4 91 +#define GATE_CLK_RXU5 92 +#define GATE_CLK_RXU6 93 +#define GATE_CLK_RXU7 94 +#define GATE_CLK_RXU8 95 +#define GATE_CLK_RXU9 96 +#define GATE_CLK_RXU10 97 +#define GATE_CLK_RXU11 98 +#define GATE_CLK_RXU12 99 +#define GATE_CLK_RXU13 100 +#define GATE_CLK_RXU14 101 +#define GATE_CLK_RXU15 102 +#define GATE_CLK_RXU16 103 +#define GATE_CLK_RXU17 104 +#define GATE_CLK_RXU18 105 +#define GATE_CLK_RXU19 106 +#define GATE_CLK_RXU20 107 +#define GATE_CLK_RXU21 108 +#define GATE_CLK_RXU22 109 +#define GATE_CLK_RXU23 110 +#define GATE_CLK_RXU24 111 +#define GATE_CLK_RXU25 112 +#define GATE_CLK_RXU26 113 +#define GATE_CLK_RXU27 114 +#define GATE_CLK_RXU28 115 +#define GATE_CLK_RXU29 116 +#define GATE_CLK_RXU30 117 +#define GATE_CLK_RXU31 118 +#define GATE_CLK_MP0 119 +#define GATE_CLK_MP1 120 +#define GATE_CLK_MP2 121 +#define GATE_CLK_MP3 122 +#define GATE_CLK_MP4 123 +#define GATE_CLK_MP5 124 +#define GATE_CLK_MP6 125 +#define GATE_CLK_MP7 126 +#define GATE_CLK_MP8 127 +#define GATE_CLK_MP9 128 +#define GATE_CLK_MP10 129 +#define GATE_CLK_MP11 130 +#define GATE_CLK_MP12 131 +#define GATE_CLK_MP13 132 +#define GATE_CLK_MP14 133 +#define GATE_CLK_MP15 134 + +/* MUX clocks */ +#define MUX_CLK_DDR01 135 +#define MUX_CLK_DDR23 136 +#define MUX_CLK_RP_CPU_NORMAL 137 +#define MUX_CLK_AXI_DDR 138 + +/* PLL clocks */ +#define MPLL_CLK 139 +#define FPLL_CLK 140 +#define DPLL0_CLK 141 +#define DPLL1_CLK 142 + +#endif /* __DT_BINDINGS_CLOCK_SOPHGO_SG2042_H__ */ -- 2.25.1
