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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/allwinner,sun55i-a523-ccu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A523 Clock Control Unit
+
+maintainers:
+ - Andre Przywara <andre.przywara@arm.com>
+
+properties:
+ "#clock-cells":
+ const: 1
+
+ "#reset-cells":
+ const: 1
+
+ compatible:
+ enum:
+ - allwinner,sun55i-a523-ccu
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 4
+ maxItems: 4
+
+ clock-names:
+ minItems: 4
+ maxItems: 4
+
+required:
+ - "#clock-cells"
+ - "#reset-cells"
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+if:
+ properties:
+ compatible:
+ enum:
+ - allwinner,sun55i-a523-ccu
+
+then:
+ properties:
+ clocks:
+ items:
+ - description: High Frequency Oscillator (usually at 24MHz)
+ - description: Low Frequency Oscillator (usually at 32kHz)
+ - description: Internal Oscillator
+ - description: Low Frequency Oscillator fanout
+
+ clock-names:
+ items:
+ - const: hosc
+ - const: losc
+ - const: iosc
+ - const: losc-fanout
+
+additionalProperties: false
+
+examples:
+ - |
+ ccu: clock@2001000 {
+ compatible = "allwinner,sun55i-a523-ccu";
+ reg = <0x2001000 0x1000>;
+ clocks = <&osc24M>, <&osc32k>, <&iosc>, <&r_ccu 2>;
+ clock-names = "hosc", "losc", "iosc", "losc-fanout";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+...
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+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright (C) 2024 Arm Ltd.
+ */
+
+#ifndef _DT_BINDINGS_CLK_SUN55I_A523_CCU_H_
+#define _DT_BINDINGS_CLK_SUN55I_A523_CCU_H_
+
+#define CLK_PLL_DDR0 0
+#define CLK_PLL_PERIPH0_4X 1
+#define CLK_PLL_PERIPH0_2X 2
+#define CLK_PLL_PERIPH0_800M 3
+#define CLK_PLL_PERIPH0_480M 4
+#define CLK_PLL_PERIPH0_600M 5
+#define CLK_PLL_PERIPH0_400M 6
+#define CLK_PLL_PERIPH0_300M 7
+#define CLK_PLL_PERIPH0_200M 8
+#define CLK_PLL_PERIPH0_160M 9
+#define CLK_PLL_PERIPH0_150M 10
+#define CLK_PLL_PERIPH1_4X 11
+#define CLK_PLL_PERIPH1_2X 12
+#define CLK_PLL_PERIPH1_800M 13
+#define CLK_PLL_PERIPH1_480M 14
+#define CLK_PLL_PERIPH1_600M 15
+#define CLK_PLL_PERIPH1_400M 16
+#define CLK_PLL_PERIPH1_300M 17
+#define CLK_PLL_PERIPH1_200M 18
+#define CLK_PLL_PERIPH1_160M 19
+#define CLK_PLL_PERIPH1_150M 20
+#define CLK_PLL_GPU 21
+#define CLK_PLL_VIDEO0_8X 22
+#define CLK_PLL_VIDEO0_4X 23
+#define CLK_PLL_VIDEO0_3X 24
+#define CLK_PLL_VIDEO1_8X 25
+#define CLK_PLL_VIDEO1_4X 26
+#define CLK_PLL_VIDEO1_3X 27
+#define CLK_PLL_VIDEO2_8X 28
+#define CLK_PLL_VIDEO2_4X 29
+#define CLK_PLL_VIDEO2_3X 30
+#define CLK_PLL_VIDEO3_8X 31
+#define CLK_PLL_VIDEO3_4X 32
+#define CLK_PLL_VIDEO3_3X 33
+#define CLK_PLL_VE 34
+#define CLK_PLL_AUDIO0_4X 35
+#define CLK_PLL_AUDIO0_2X 36
+#define CLK_PLL_AUDIO0 37
+#define CLK_PLL_NPU_4X 38
+#define CLK_PLL_NPU_2X 39
+#define CLK_PLL_NPU 40
+#define CLK_AHB 41
+#define CLK_APB0 42
+#define CLK_APB1 43
+#define CLK_MBUS 44
+#define CLK_DE 45
+#define CLK_BUS_DE 46
+#define CLK_DI 47
+#define CLK_BUS_DI 48
+#define CLK_G2D 49
+#define CLK_BUS_G2D 50
+#define CLK_GPU 51
+#define CLK_BUS_GPU 52
+#define CLK_CE 53
+#define CLK_BUS_CE 54
+#define CLK_BUS_CE_SYS 55
+#define CLK_VE 56
+#define CLK_BUS_VE 57
+#define CLK_BUS_DMA 58
+#define CLK_BUS_MSGBOX 59
+#define CLK_BUS_SPINLOCK 60
+#define CLK_HSTIMER0 61
+#define CLK_HSTIMER1 62
+#define CLK_HSTIMER2 63
+#define CLK_HSTIMER3 64
+#define CLK_HSTIMER4 65
+#define CLK_HSTIMER5 66
+#define CLK_BUS_HSTIMER 67
+#define CLK_BUS_DBG 68
+#define CLK_BUS_PWM0 69
+#define CLK_BUS_PWM1 70
+#define CLK_IOMMU 71
+#define CLK_BUS_IOMMU 72
+#define CLK_DRAM 73
+#define CLK_MBUS_DMA 74
+#define CLK_MBUS_VE 75
+#define CLK_MBUS_CE 76
+#define CLK_MBUS_CSI 77
+#define CLK_MBUS_ISP 78
+#define CLK_MBUS_EMAC1 79
+#define CLK_BUS_DRAM 80
+#define CLK_NAND0 81
+#define CLK_NAND1 82
+#define CLK_BUS_NAND 83
+#define CLK_MMC0 84
+#define CLK_MMC1 85
+#define CLK_MMC2 86
+#define CLK_BUS_SYSDAP 87
+#define CLK_BUS_MMC0 88
+#define CLK_BUS_MMC1 89
+#define CLK_BUS_MMC2 90
+#define CLK_BUS_UART0 91
+#define CLK_BUS_UART1 92
+#define CLK_BUS_UART2 93
+#define CLK_BUS_UART3 94
+#define CLK_BUS_UART4 95
+#define CLK_BUS_UART5 96
+#define CLK_BUS_UART6 97
+#define CLK_BUS_UART7 98
+#define CLK_BUS_I2C0 99
+#define CLK_BUS_I2C1 100
+#define CLK_BUS_I2C2 101
+#define CLK_BUS_I2C3 102
+#define CLK_BUS_I2C4 103
+#define CLK_BUS_I2C5 104
+#define CLK_BUS_CAN 105
+#define CLK_SPI0 106
+#define CLK_SPI1 107
+#define CLK_SPI2 108
+#define CLK_SPIFC 109
+#define CLK_BUS_SPI0 110
+#define CLK_BUS_SPI1 111
+#define CLK_BUS_SPI2 112
+#define CLK_BUS_SPIFC 113
+#define CLK_EMAC0_25M 114
+#define CLK_EMAC1_25M 115
+#define CLK_BUS_EMAC0 116
+#define CLK_BUS_EMAC1 117
+#define CLK_IR_RX 118
+#define CLK_BUS_IR_RX 119
+#define CLK_IR_TX 120
+#define CLK_BUS_IR_TX 121
+#define CLK_GPADC0 122
+#define CLK_GPADC1 123
+#define CLK_BUS_GPADC0 124
+#define CLK_BUS_GPADC1 125
+#define CLK_BUS_THS 126
+#define CLK_USB_OHCI0 127
+#define CLK_USB_OHCI1 128
+#define CLK_BUS_OHCI0 129
+#define CLK_BUS_OHCI1 130
+#define CLK_BUS_EHCI0 131
+#define CLK_BUS_EHCI1 132
+#define CLK_BUS_OTG 133
+#define CLK_BUS_LRADC 134
+#define CLK_PCIE_AUX 135
+#define CLK_BUS_DISPLAY0_TOP 136
+#define CLK_BUS_DISPLAY1_TOP 137
+#define CLK_HDMI_24M 138
+#define CLK_HDMI_CEC_32K 139
+#define CLK_HDMI_CEC 140
+#define CLK_BUS_HDMI 141
+#define CLK_MIPI_DSI0 142
+#define CLK_MIPI_DSI1 143
+#define CLK_BUS_MIPI_DSI0 144
+#define CLK_BUS_MIPI_DSI1 145
+#define CLK_TCON_LCD0 146
+#define CLK_TCON_LCD1 147
+#define CLK_TCON_LCD2 148
+#define CLK_COMBOPHY_DSI0 149
+#define CLK_COMBOPHY_DSI1 150
+#define CLK_BUS_TCON_LCD0 151
+#define CLK_BUS_TCON_LCD1 152
+#define CLK_BUS_TCON_LCD2 153
+#define CLK_TCON_TV0 154
+#define CLK_TCON_TV1 155
+#define CLK_BUS_TCON_TV0 156
+#define CLK_BUS_TCON_TV1 157
+#define CLK_EDP 158
+#define CLK_BUS_EDP 159
+#define CLK_LEDC 160
+#define CLK_BUS_LEDC 161
+#define CLK_CSI_TOP 162
+#define CLK_CSI_MCLK0 163
+#define CLK_CSI_MCLK1 164
+#define CLK_CSI_MCLK2 165
+#define CLK_CSI_MCLK3 166
+#define CLK_BUS_CSI 167
+#define CLK_ISP 168
+#define CLK_DSP 169
+#define CLK_FANOUT_24M 170
+#define CLK_FANOUT_12M 171
+#define CLK_FANOUT_16M 172
+#define CLK_FANOUT_25M 173
+#define CLK_FANOUT_27M 174
+#define CLK_FANOUT_PCLK 175
+#define CLK_FANOUT0 176
+#define CLK_FANOUT1 177
+#define CLK_FANOUT2 178
+
+#endif /* _DT_BINDINGS_CLK_SUN55I_A523_CCU_H_ */
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+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright (c) 2024 Arm Ltd.
+ */
+
+#ifndef _DT_BINDINGS_RST_SUN55I_A523_CCU_H_
+#define _DT_BINDINGS_RST_SUN55I_A523_CCU_H_
+
+#define RST_MBUS 0
+#define RST_BUS_NSI 1
+#define RST_BUS_DE 2
+#define RST_BUS_DI 3
+#define RST_BUS_G2D 4
+#define RST_BUS_SYS 5
+#define RST_BUS_GPU 6
+#define RST_BUS_CE 7
+#define RST_BUS_SYS_CE 8
+#define RST_BUS_VE 9
+#define RST_BUS_DMA 10
+#define RST_BUS_MSGBOX 11
+#define RST_BUS_SPINLOCK 12
+#define RST_BUS_CPUXTIMER 13
+#define RST_BUS_DBG 14
+#define RST_BUS_PWM0 15
+#define RST_BUS_PWM1 16
+#define RST_BUS_DRAM 17
+#define RST_BUS_NAND 18
+#define RST_BUS_MMC0 19
+#define RST_BUS_MMC1 20
+#define RST_BUS_MMC2 21
+#define RST_BUS_SYSDAP 22
+#define RST_BUS_UART0 23
+#define RST_BUS_UART1 24
+#define RST_BUS_UART2 25
+#define RST_BUS_UART3 26
+#define RST_BUS_UART4 27
+#define RST_BUS_UART5 28
+#define RST_BUS_UART6 29
+#define RST_BUS_UART7 30
+#define RST_BUS_I2C0 31
+#define RST_BUS_I2C1 32
+#define RST_BUS_I2C2 33
+#define RST_BUS_I2C3 34
+#define RST_BUS_I2C4 35
+#define RST_BUS_I2C5 36
+#define RST_BUS_CAN 37
+#define RST_BUS_SPI0 38
+#define RST_BUS_SPI1 39
+#define RST_BUS_SPI2 40
+#define RST_BUS_SPIFC 41
+#define RST_BUS_EMAC0 42
+#define RST_BUS_EMAC1 43
+#define RST_BUS_IR_RX 44
+#define RST_BUS_IR_TX 45
+#define RST_BUS_GPADC0 46
+#define RST_BUS_GPADC1 47
+#define RST_BUS_THS 48
+#define RST_USB_PHY0 49
+#define RST_USB_PHY1 50
+#define RST_BUS_OHCI0 51
+#define RST_BUS_OHCI1 52
+#define RST_BUS_EHCI0 53
+#define RST_BUS_EHCI1 54
+#define RST_BUS_OTG 55
+#define RST_BUS_3 56
+#define RST_BUS_LRADC 57
+#define RST_BUS_PCIE_USB3 58
+#define RST_BUS_DISPLAY0_TOP 59
+#define RST_BUS_DISPLAY1_TOP 60
+#define RST_BUS_HDMI_MAIN 61
+#define RST_BUS_HDMI_SUB 62
+#define RST_BUS_MIPI_DSI0 63
+#define RST_BUS_MIPI_DSI1 64
+#define RST_BUS_TCON_LCD0 65
+#define RST_BUS_TCON_LCD1 66
+#define RST_BUS_TCON_LCD2 67
+#define RST_BUS_TCON_TV0 68
+#define RST_BUS_TCON_TV1 69
+#define RST_BUS_LVDS0 70
+#define RST_BUS_LVDS1 71
+#define RST_BUS_EDP 72
+#define RST_BUS_VIDEO_OUT0 73
+#define RST_BUS_VIDEO_OUT1 74
+#define RST_BUS_LEDC 75
+#define RST_BUS_CSI 76
+#define RST_BUS_ISP 77
+
+#endif /* _DT_BINDINGS_RST_SUN55I_A523_CCU_H_ */
The Allwinner A523/T527 SoCs have four CCUs, this adds the binding for the main CCU. The source clock list differs in some annoying details, and folding this into the existing Allwinner CCU clock binding document gets quite unwieldy, so create a new document for these CCUs. Add the new compatible string, along with the required input clock lists. This conditionally describes the input clock list, to make for an easier patch adding the other CCUs. Also add the DT binding headers, listing all the clocks with their ID numbers. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- .../clock/allwinner,sun55i-a523-ccu.yaml | 77 +++++++ include/dt-bindings/clock/sun55i-a523-ccu.h | 189 ++++++++++++++++++ include/dt-bindings/reset/sun55i-a523-ccu.h | 88 ++++++++ 3 files changed, 354 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/allwinner,sun55i-a523-ccu.yaml create mode 100644 include/dt-bindings/clock/sun55i-a523-ccu.h create mode 100644 include/dt-bindings/reset/sun55i-a523-ccu.h