Clock generation unit(CGU) is a clock controller IP of Intel's Lightning Mountain(LGM) SoC. Add DT bindings include file and document for CGU clock controller driver of LGM.
Signed-off-by: Rahul Tanwar <rahul.tan...@linux.intel.com> --- .../devicetree/bindings/clock/intel,cgu-lgm.yaml | 61 +++++++++ include/dt-bindings/clock/intel,lgm-clk.h | 150 +++++++++++++++++++++ 2 files changed, 211 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/intel,cgu-lgm.yaml create mode 100644 include/dt-bindings/clock/intel,lgm-clk.h diff --git a/Documentation/devicetree/bindings/clock/intel,cgu-lgm.yaml b/Documentation/devicetree/bindings/clock/intel,cgu-lgm.yaml new file mode 100644 index 000000000000..8bc5c6f9f792 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/intel,cgu-lgm.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/clock/intel,cgu-lgm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel Lightning Mountain SoC's Clock Controller(CGU) Binding + +maintainers: + - Rahul Tanwar <rahul.tan...@linux.intel.com> + +description: | + Lightning Mountain(LGM) SoC's Clock Generation Unit(CGU) driver provides + all means to access the CGU hardware module in order to generate a series + of clocks for the whole system and individual peripherals. + + This binding uses the common clock bindings + [1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +properties: + compatible: + const: intel,cgu-lgm + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + clock-output-names: + maxItems: 1 + +required: + - compatible + - reg + - '#clock-cells' + +examples: + # CGU node + - | + cgu: cgu@e0200000 { + compatible = "intel,cgu-lgm", "syscon"; + reg = <0xe0200000 0x33c>; + #clock-cells = <1>; + }; + + # Example of clock consumer (UART driver) + - | + asc0: serial@e0a00000 { + compatible = "intel,lgm-asc"; + reg = <0xe0a00000 0x1000>; + interrupt-parent = <&ioapic1>; + interrupts = <128 1>; + interrupt-names = "asc_irq"; + clocks = <&cgu0 LGM_CLK_NOC4>, <&cgu0 LGM_GCLK_ASC0>; + clock-names = "freq", "asc"; + pinctrl-names = "default"; + pinctrl-0 = <&uart0>; + }; + +... diff --git a/include/dt-bindings/clock/intel,lgm-clk.h b/include/dt-bindings/clock/intel,lgm-clk.h new file mode 100644 index 000000000000..09e5dc59ff5b --- /dev/null +++ b/include/dt-bindings/clock/intel,lgm-clk.h @@ -0,0 +1,150 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2018 Intel Corporation. + * Lei Chuanhua <chuanhua....@intel.com> + * Zhu Yixin <yixin....@intel.com> + */ + +#ifndef __INTEL_LGM_CLK_H +#define __INTEL_LGM_CLK_H + +/* PLL clocks */ +#define LGM_CLK_PLLPP 2 +#define LGM_CLK_PLL2 3 +#define LGM_CLK_PLL0CZ 4 +#define LGM_CLK_PLL0B 5 +#define LGM_CLK_PLL1 6 +#define LGM_CLK_LJPLL3 7 +#define LGM_CLK_LJPLL4 8 +#define LGM_CLK_PLL0CM0 9 +#define LGM_CLK_PLL0CM1 10 + +/* clocks from PLLs */ + +/* ROPLL clocks */ +#define LGM_CLK_PP_HW 15 +#define LGM_CLK_PP_UC 16 +#define LGM_CLK_PP_FXD 17 +#define LGM_CLK_PP_TBM 18 + +/* PLL2 clocks */ +#define LGM_CLK_DDR 20 + +/* PLL0CZ */ +#define LGM_CLK_CM 25 +#define LGM_CLK_IC 26 +#define LGM_CLK_SDIO3 27 + +/* PLL0B */ +#define LGM_CLK_NGI 30 +#define LGM_CLK_NOC4 31 +#define LGM_CLK_SW 32 +#define LGM_CLK_QSPI 33 +#define LGM_CLK_CQEM LGM_CLK_SW +#define LGM_CLK_EMMC5 LGM_CLK_NOC4 + +/* PLL1 */ +#define LGM_CLK_CT 35 +#define LGM_CLK_DSP 36 +#define LGM_CLK_4X 37 +#define LGM_CLK_DCL 38 + +/* LJPLL3 */ +#define LGM_CLK_CML 40 +#define LGM_CLK_CBPHY 41 +#define LGM_CLK_POOL 42 +#define LGM_CLK_PTP 43 + +/* LJPLL4 */ +#define LGM_CLK_PCIE 45 +#define LGM_CLK_SATA LGM_CLK_PCIE + +/* Miscellaneous clocks */ +#define LGM_CLK_EMMC4 46 +#define LGM_CLK_SDIO2 47 +#define LGM_CLK_EMMC 48 +#define LGM_CLK_SDIO 49 + + +/* Gate clocks */ +/* Gate CLK0 */ +#define LGM_GCLK_C55 60 +#define LGM_GCLK_VCODEC 61 +#define LGM_GCLK_QSPI 62 +#define LGM_GCLK_TEP 63 +#define LGM_GCLK_EIP197 64 +#define LGM_GCLK_VAULT 65 +#define LGM_GCLK_TOE 66 +#define LGM_GCLK_SDXC 67 +#define LGM_GCLK_EMMC 68 +#define LGM_GCLK_EIP154 69 +#define LGM_GCLK_SPI_DBG 70 +#define LGM_GCLK_DMA3 71 +#define LGM_GCLK_TOPNOC 72 + +/* Gate CLK1 */ +#define LGM_GCLK_DMA0 80 +#define LGM_GCLK_LEDC0 81 +#define LGM_GCLK_LEDC1 82 +#define LGM_GCLK_I2S0 83 +#define LGM_GCLK_I2S1 84 +#define LGM_GCLK_EBU 85 +#define LGM_GCLK_I2C0 86 +#define LGM_GCLK_I2C1 87 +#define LGM_GCLK_I2C2 88 +#define LGM_GCLK_I2C3 89 +#define LGM_GCLK_SSC0 90 +#define LGM_GCLK_SSC1 91 +#define LGM_GCLK_SSC2 92 +#define LGM_GCLK_SSC3 93 +#define LGM_GCLK_GPTC0 94 +#define LGM_GCLK_GPTC1 95 +#define LGM_GCLK_GPTC2 96 +#define LGM_GCLK_GPTC3 97 +#define LGM_GCLK_ASC0 98 +#define LGM_GCLK_ASC1 99 +#define LGM_GCLK_ASC2 100 +#define LGM_GCLK_ASC3 101 +#define LGM_GCLK_PCM0 102 +#define LGM_GCLK_PCM1 103 +#define LGM_GCLK_PCM2 104 +#define LGM_GCLK_PERINOC 105 + +/* Gate CLK2 */ +#define LGM_GCLK_PCIE10 120 +#define LGM_GCLK_PCIE11 121 +#define LGM_GCLK_PCIE30 122 +#define LGM_GCLK_PCIE31 123 +#define LGM_GCLK_PCIE20 124 +#define LGM_GCLK_PCIE21 125 +#define LGM_GCLK_PCIE40 126 +#define LGM_GCLK_PCIE41 127 +#define LGM_GCLK_XPCS0 128 +#define LGM_GCLK_XPCS1 129 +#define LGM_GCLK_XPCS2 130 +#define LGM_GCLK_XPCS3 131 +#define LGM_GCLK_SATA0 132 +#define LGM_GCLK_SATA1 133 +#define LGM_GCLK_SATA2 134 +#define LGM_GCLK_SATA3 135 + +/* Gate CLK3 */ +#define LGM_GCLK_ARCEM4 140 +#define LGM_GCLK_VPNHOST 141 +#define LGM_GCLK_IDMAR1 142 +#define LGM_GCLK_IDMAT0 143 +#define LGM_GCLK_IDMAT1 144 +#define LGM_GCLK_IDMAT2 145 +#define LGM_GCLK_PPV4 146 +#define LGM_GCLK_GSWIPO 147 +#define LGM_GCLK_CQEM 148 +#define LGM_GCLK_PON 149 +#define LGM_GCLK_BM 150 +#define LGM_GCLK_PB 151 +#define LGM_GCLK_XPCS5 152 +#define LGM_GCLK_USB1 153 +#define LGM_GCLK_USB2 154 + +#define CLK_NR_CLKS 180 + +#endif /* __INTEL_LGM_CLK_H */ -- 2.11.0
