dt-bindings: clock: Add imx8ulp clock support

Add the clock dt-binding file for i.MX8ULP.

For pcc node, it will also be used as a reset controller,
so add the '#reset-cells' property description and add the
pcc reset IDs.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20210914065208.3582128-2-ping.bai@nxp.comSigned-off-by: Abel Vesa <abel.vesa@nxp.com>

Documentation/devicetree/bindings/clock/imx8ulp-cgc-clock.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/imx8ulp-cgc-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8ULP Clock Generation & Control(CGC) Module Binding
+
+maintainers:
+  - Jacky Bai <ping.bai@nxp.com>
+
+description: |
+  On i.MX8ULP, The clock sources generation, distribution and management is
+  under the control of several CGCs & PCCs modules. The CGC modules generate
+  and distribute clocks on the device.
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8ulp-cgc1
+      - fsl,imx8ulp-cgc2
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  # Clock Generation & Control Module node:
+  - |
+    clock-controller@292c0000 {
+        compatible = "fsl,imx8ulp-cgc1";
+        reg = <0x292c0000 0x10000>;
+        #clock-cells = <1>;
+    };

Documentation/devicetree/bindings/clock/imx8ulp-pcc-clock.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/imx8ulp-pcc-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8ULP Peripheral Clock Controller(PCC) Module Binding
+
+maintainers:
+  - Jacky Bai <ping.bai@nxp.com>
+
+description: |
+  On i.MX8ULP, The clock sources generation, distribution and management is
+  under the control of several CGCs & PCCs modules. The PCC modules control
+  software reset, clock selection, optional division and clock gating mode
+  for peripherals.
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8ulp-pcc3
+      - fsl,imx8ulp-pcc4
+      - fsl,imx8ulp-pcc5
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  # Peripheral Clock Control Module node:
+  - |
+    clock-controller@292d0000 {
+        compatible = "fsl,imx8ulp-pcc3";
+        reg = <0x292d0000 0x10000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };

include/dt-bindings/clock/imx8ulp-clock.h

+/* SPDX-License-Identifier: GPL-2.0+ OR MIT */
+/*
+ * Copyright 2021 NXP
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_IMX8ULP_H
+#define __DT_BINDINGS_CLOCK_IMX8ULP_H
+
+#define IMX8ULP_CLK_DUMMY			0
+
+/* CGC1 */
+#define IMX8ULP_CLK_SPLL2			5
+#define IMX8ULP_CLK_SPLL3			6
+#define IMX8ULP_CLK_A35_SEL			7
+#define IMX8ULP_CLK_A35_DIV			8
+#define IMX8ULP_CLK_SPLL2_PRE_SEL		9
+#define IMX8ULP_CLK_SPLL3_PRE_SEL		10
+#define IMX8ULP_CLK_SPLL3_PFD0			11
+#define IMX8ULP_CLK_SPLL3_PFD1			12
+#define IMX8ULP_CLK_SPLL3_PFD2			13
+#define IMX8ULP_CLK_SPLL3_PFD3			14
+#define IMX8ULP_CLK_SPLL3_PFD0_DIV1		15
+#define IMX8ULP_CLK_SPLL3_PFD0_DIV2		16
+#define IMX8ULP_CLK_SPLL3_PFD1_DIV1		17
+#define IMX8ULP_CLK_SPLL3_PFD1_DIV2		18
+#define IMX8ULP_CLK_SPLL3_PFD2_DIV1		19
+#define IMX8ULP_CLK_SPLL3_PFD2_DIV2		20
+#define IMX8ULP_CLK_SPLL3_PFD3_DIV1		21
+#define IMX8ULP_CLK_SPLL3_PFD3_DIV2		22
+#define IMX8ULP_CLK_NIC_SEL			23
+#define IMX8ULP_CLK_NIC_AD_DIVPLAT		24
+#define IMX8ULP_CLK_NIC_PER_DIVPLAT		25
+#define IMX8ULP_CLK_XBAR_SEL			26
+#define IMX8ULP_CLK_XBAR_AD_DIVPLAT		27
+#define IMX8ULP_CLK_XBAR_DIVBUS			28
+#define IMX8ULP_CLK_XBAR_AD_SLOW		29
+#define IMX8ULP_CLK_SOSC_DIV1			30
+#define IMX8ULP_CLK_SOSC_DIV2			31
+#define IMX8ULP_CLK_SOSC_DIV3			32
+#define IMX8ULP_CLK_FROSC_DIV1			33
+#define IMX8ULP_CLK_FROSC_DIV2			34
+#define IMX8ULP_CLK_FROSC_DIV3			35
+#define IMX8ULP_CLK_SPLL3_VCODIV		36
+#define IMX8ULP_CLK_SPLL3_PFD0_DIV1_GATE	37
+#define IMX8ULP_CLK_SPLL3_PFD0_DIV2_GATE	38
+#define IMX8ULP_CLK_SPLL3_PFD1_DIV1_GATE	39
+#define IMX8ULP_CLK_SPLL3_PFD1_DIV2_GATE	40
+#define IMX8ULP_CLK_SPLL3_PFD2_DIV1_GATE	41
+#define IMX8ULP_CLK_SPLL3_PFD2_DIV2_GATE	42
+#define IMX8ULP_CLK_SPLL3_PFD3_DIV1_GATE	43
+#define IMX8ULP_CLK_SPLL3_PFD3_DIV2_GATE	44
+#define IMX8ULP_CLK_SOSC_DIV1_GATE		45
+#define IMX8ULP_CLK_SOSC_DIV2_GATE		46
+#define IMX8ULP_CLK_SOSC_DIV3_GATE		47
+#define IMX8ULP_CLK_FROSC_DIV1_GATE		48
+#define IMX8ULP_CLK_FROSC_DIV2_GATE		49
+#define IMX8ULP_CLK_FROSC_DIV3_GATE		50
+#define IMX8ULP_CLK_SAI4_SEL			51
+#define IMX8ULP_CLK_SAI5_SEL			52
+#define IMX8ULP_CLK_AUD_CLK1			53
+#define IMX8ULP_CLK_ARM				54
+#define IMX8ULP_CLK_ENET_TS_SEL			55
+
+#define IMX8ULP_CLK_CGC1_END			56
+
+/* CGC2 */
+#define IMX8ULP_CLK_PLL4_PRE_SEL	0
+#define IMX8ULP_CLK_PLL4		1
+#define IMX8ULP_CLK_PLL4_VCODIV		2
+#define IMX8ULP_CLK_DDR_SEL		3
+#define IMX8ULP_CLK_DDR_DIV		4
+#define IMX8ULP_CLK_LPAV_AXI_SEL	5
+#define IMX8ULP_CLK_LPAV_AXI_DIV	6
+#define IMX8ULP_CLK_LPAV_AHB_DIV	7
+#define IMX8ULP_CLK_LPAV_BUS_DIV	8
+#define IMX8ULP_CLK_PLL4_PFD0		9
+#define IMX8ULP_CLK_PLL4_PFD1		10
+#define IMX8ULP_CLK_PLL4_PFD2		11
+#define IMX8ULP_CLK_PLL4_PFD3		12
+#define IMX8ULP_CLK_PLL4_PFD0_DIV1_GATE	13
+#define IMX8ULP_CLK_PLL4_PFD0_DIV2_GATE	14
+#define IMX8ULP_CLK_PLL4_PFD1_DIV1_GATE	15
+#define IMX8ULP_CLK_PLL4_PFD1_DIV2_GATE	16
+#define IMX8ULP_CLK_PLL4_PFD2_DIV1_GATE	17
+#define IMX8ULP_CLK_PLL4_PFD2_DIV2_GATE	18
+#define IMX8ULP_CLK_PLL4_PFD3_DIV1_GATE	19
+#define IMX8ULP_CLK_PLL4_PFD3_DIV2_GATE	20
+#define IMX8ULP_CLK_PLL4_PFD0_DIV1	21
+#define IMX8ULP_CLK_PLL4_PFD0_DIV2	22
+#define IMX8ULP_CLK_PLL4_PFD1_DIV1	23
+#define IMX8ULP_CLK_PLL4_PFD1_DIV2	24
+#define IMX8ULP_CLK_PLL4_PFD2_DIV1	25
+#define IMX8ULP_CLK_PLL4_PFD2_DIV2	26
+#define IMX8ULP_CLK_PLL4_PFD3_DIV1	27
+#define IMX8ULP_CLK_PLL4_PFD3_DIV2	28
+#define IMX8ULP_CLK_CGC2_SOSC_DIV1_GATE	29
+#define IMX8ULP_CLK_CGC2_SOSC_DIV2_GATE	30
+#define IMX8ULP_CLK_CGC2_SOSC_DIV3_GATE	31
+#define IMX8ULP_CLK_CGC2_SOSC_DIV1	32
+#define IMX8ULP_CLK_CGC2_SOSC_DIV2	33
+#define IMX8ULP_CLK_CGC2_SOSC_DIV3	34
+#define IMX8ULP_CLK_CGC2_FROSC_DIV1_GATE	35
+#define IMX8ULP_CLK_CGC2_FROSC_DIV2_GATE	36
+#define IMX8ULP_CLK_CGC2_FROSC_DIV3_GATE	37
+#define IMX8ULP_CLK_CGC2_FROSC_DIV1	38
+#define IMX8ULP_CLK_CGC2_FROSC_DIV2	39
+#define IMX8ULP_CLK_CGC2_FROSC_DIV3	40
+#define IMX8ULP_CLK_AUD_CLK2		41
+#define IMX8ULP_CLK_SAI6_SEL		42
+#define IMX8ULP_CLK_SAI7_SEL		43
+#define IMX8ULP_CLK_SPDIF_SEL		44
+#define IMX8ULP_CLK_HIFI_SEL		45
+#define IMX8ULP_CLK_HIFI_DIVCORE	46
+#define IMX8ULP_CLK_HIFI_DIVPLAT	47
+#define IMX8ULP_CLK_DSI_PHY_REF		48
+
+#define IMX8ULP_CLK_CGC2_END		49
+
+/* PCC3 */
+#define IMX8ULP_CLK_WDOG3		0
+#define IMX8ULP_CLK_WDOG4		1
+#define IMX8ULP_CLK_LPIT1		2
+#define IMX8ULP_CLK_TPM4		3
+#define IMX8ULP_CLK_TPM5		4
+#define IMX8ULP_CLK_FLEXIO1		5
+#define IMX8ULP_CLK_I3C2		6
+#define IMX8ULP_CLK_LPI2C4		7
+#define IMX8ULP_CLK_LPI2C5		8
+#define IMX8ULP_CLK_LPUART4		9
+#define IMX8ULP_CLK_LPUART5		10
+#define IMX8ULP_CLK_LPSPI4		11
+#define IMX8ULP_CLK_LPSPI5		12
+#define IMX8ULP_CLK_DMA1_MP		13
+#define IMX8ULP_CLK_DMA1_CH0		14
+#define IMX8ULP_CLK_DMA1_CH1		15
+#define IMX8ULP_CLK_DMA1_CH2		16
+#define IMX8ULP_CLK_DMA1_CH3		17
+#define IMX8ULP_CLK_DMA1_CH4		18
+#define IMX8ULP_CLK_DMA1_CH5		19
+#define IMX8ULP_CLK_DMA1_CH6		20
+#define IMX8ULP_CLK_DMA1_CH7		21
+#define IMX8ULP_CLK_DMA1_CH8		22
+#define IMX8ULP_CLK_DMA1_CH9		23
+#define IMX8ULP_CLK_DMA1_CH10		24
+#define IMX8ULP_CLK_DMA1_CH11		25
+#define IMX8ULP_CLK_DMA1_CH12		26
+#define IMX8ULP_CLK_DMA1_CH13		27
+#define IMX8ULP_CLK_DMA1_CH14		28
+#define IMX8ULP_CLK_DMA1_CH15		29
+#define IMX8ULP_CLK_DMA1_CH16		30
+#define IMX8ULP_CLK_DMA1_CH17		31
+#define IMX8ULP_CLK_DMA1_CH18		32
+#define IMX8ULP_CLK_DMA1_CH19		33
+#define IMX8ULP_CLK_DMA1_CH20		34
+#define IMX8ULP_CLK_DMA1_CH21		35
+#define IMX8ULP_CLK_DMA1_CH22		36
+#define IMX8ULP_CLK_DMA1_CH23		37
+#define IMX8ULP_CLK_DMA1_CH24		38
+#define IMX8ULP_CLK_DMA1_CH25		39
+#define IMX8ULP_CLK_DMA1_CH26		40
+#define IMX8ULP_CLK_DMA1_CH27		41
+#define IMX8ULP_CLK_DMA1_CH28		42
+#define IMX8ULP_CLK_DMA1_CH29		43
+#define IMX8ULP_CLK_DMA1_CH30		44
+#define IMX8ULP_CLK_DMA1_CH31		45
+#define IMX8ULP_CLK_MU3_A		46
+#define IMX8ULP_CLK_MU0_B		47
+
+#define IMX8ULP_CLK_PCC3_END		48
+
+/* PCC4 */
+#define IMX8ULP_CLK_FLEXSPI2		0
+#define IMX8ULP_CLK_TPM6		1
+#define IMX8ULP_CLK_TPM7		2
+#define IMX8ULP_CLK_LPI2C6		3
+#define IMX8ULP_CLK_LPI2C7		4
+#define IMX8ULP_CLK_LPUART6		5
+#define IMX8ULP_CLK_LPUART7		6
+#define IMX8ULP_CLK_SAI4		7
+#define IMX8ULP_CLK_SAI5		8
+#define IMX8ULP_CLK_PCTLE		9
+#define IMX8ULP_CLK_PCTLF		10
+#define IMX8ULP_CLK_USDHC0		11
+#define IMX8ULP_CLK_USDHC1		12
+#define IMX8ULP_CLK_USDHC2		13
+#define IMX8ULP_CLK_USB0		14
+#define IMX8ULP_CLK_USB0_PHY		15
+#define IMX8ULP_CLK_USB1		16
+#define IMX8ULP_CLK_USB1_PHY		17
+#define IMX8ULP_CLK_USB_XBAR		18
+#define IMX8ULP_CLK_ENET		19
+#define IMX8ULP_CLK_SFA1		20
+#define IMX8ULP_CLK_RGPIOE		21
+#define IMX8ULP_CLK_RGPIOF		22
+
+#define IMX8ULP_CLK_PCC4_END		23
+
+/* PCC5 */
+#define IMX8ULP_CLK_TPM8		0
+#define IMX8ULP_CLK_SAI6		1
+#define IMX8ULP_CLK_SAI7		2
+#define IMX8ULP_CLK_SPDIF		3
+#define IMX8ULP_CLK_ISI			4
+#define IMX8ULP_CLK_CSI_REGS 		5
+#define IMX8ULP_CLK_PCTLD		6
+#define IMX8ULP_CLK_CSI			7
+#define IMX8ULP_CLK_DSI			8
+#define IMX8ULP_CLK_WDOG5		9
+#define IMX8ULP_CLK_EPDC		10
+#define IMX8ULP_CLK_PXP			11
+#define IMX8ULP_CLK_SFA2		12
+#define IMX8ULP_CLK_GPU2D		13
+#define IMX8ULP_CLK_GPU3D		14
+#define IMX8ULP_CLK_DC_NANO		15
+#define IMX8ULP_CLK_CSI_CLK_UI 		16
+#define IMX8ULP_CLK_CSI_CLK_ESC		17
+#define IMX8ULP_CLK_RGPIOD		18
+#define IMX8ULP_CLK_DMA2_MP		19
+#define IMX8ULP_CLK_DMA2_CH0		20
+#define IMX8ULP_CLK_DMA2_CH1		21
+#define IMX8ULP_CLK_DMA2_CH2		22
+#define IMX8ULP_CLK_DMA2_CH3		23
+#define IMX8ULP_CLK_DMA2_CH4		24
+#define IMX8ULP_CLK_DMA2_CH5		25
+#define IMX8ULP_CLK_DMA2_CH6		26
+#define IMX8ULP_CLK_DMA2_CH7		27
+#define IMX8ULP_CLK_DMA2_CH8		28
+#define IMX8ULP_CLK_DMA2_CH9		29
+#define IMX8ULP_CLK_DMA2_CH10		30
+#define IMX8ULP_CLK_DMA2_CH11		31
+#define IMX8ULP_CLK_DMA2_CH12		32
+#define IMX8ULP_CLK_DMA2_CH13		33
+#define IMX8ULP_CLK_DMA2_CH14		34
+#define IMX8ULP_CLK_DMA2_CH15		35
+#define IMX8ULP_CLK_DMA2_CH16		36
+#define IMX8ULP_CLK_DMA2_CH17		37
+#define IMX8ULP_CLK_DMA2_CH18		38
+#define IMX8ULP_CLK_DMA2_CH19		39
+#define IMX8ULP_CLK_DMA2_CH20		40
+#define IMX8ULP_CLK_DMA2_CH21		41
+#define IMX8ULP_CLK_DMA2_CH22		42
+#define IMX8ULP_CLK_DMA2_CH23		43
+#define IMX8ULP_CLK_DMA2_CH24		44
+#define IMX8ULP_CLK_DMA2_CH25		45
+#define IMX8ULP_CLK_DMA2_CH26		46
+#define IMX8ULP_CLK_DMA2_CH27		47
+#define IMX8ULP_CLK_DMA2_CH28		48
+#define IMX8ULP_CLK_DMA2_CH29		49
+#define IMX8ULP_CLK_DMA2_CH30		50
+#define IMX8ULP_CLK_DMA2_CH31		51
+#define IMX8ULP_CLK_MU2_B		52
+#define IMX8ULP_CLK_MU3_B		53
+#define IMX8ULP_CLK_AVD_SIM		54
+#define IMX8ULP_CLK_DSI_TX_ESC		55
+
+#define IMX8ULP_CLK_PCC5_END		56
+
+#endif

include/dt-bindings/reset/imx8ulp-pcc-reset.h

+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 NXP
+ */
+
+#ifndef DT_BINDING_PCC_RESET_IMX8ULP_H
+#define DT_BINDING_PCC_RESET_IMX8ULP_H
+
+/* PCC3 */
+#define PCC3_WDOG3_SWRST	0
+#define PCC3_WDOG4_SWRST	1
+#define PCC3_LPIT1_SWRST	2
+#define PCC3_TPM4_SWRST		3
+#define PCC3_TPM5_SWRST		4
+#define PCC3_FLEXIO1_SWRST	5
+#define PCC3_I3C2_SWRST		6
+#define PCC3_LPI2C4_SWRST	7
+#define PCC3_LPI2C5_SWRST	8
+#define PCC3_LPUART4_SWRST	9
+#define PCC3_LPUART5_SWRST	10
+#define PCC3_LPSPI4_SWRST	11
+#define PCC3_LPSPI5_SWRST	12
+
+/* PCC4 */
+#define PCC4_FLEXSPI2_SWRST	0
+#define PCC4_TPM6_SWRST		1
+#define PCC4_TPM7_SWRST		2
+#define PCC4_LPI2C6_SWRST	3
+#define PCC4_LPI2C7_SWRST	4
+#define PCC4_LPUART6_SWRST	5
+#define PCC4_LPUART7_SWRST	6
+#define PCC4_SAI4_SWRST		7
+#define PCC4_SAI5_SWRST		8
+#define PCC4_USDHC0_SWRST	9
+#define PCC4_USDHC1_SWRST	10
+#define PCC4_USDHC2_SWRST	11
+#define PCC4_USB0_SWRST		12
+#define PCC4_USB0_PHY_SWRST	13
+#define PCC4_USB1_SWRST		14
+#define PCC4_USB1_PHY_SWRST	15
+#define PCC4_ENET_SWRST		16
+
+/* PCC5 */
+#define PCC5_TPM8_SWRST		0
+#define PCC5_SAI6_SWRST		1
+#define PCC5_SAI7_SWRST		2
+#define PCC5_SPDIF_SWRST	3
+#define PCC5_ISI_SWRST		4
+#define PCC5_CSI_REGS_SWRST	5
+#define PCC5_CSI_SWRST		6
+#define PCC5_DSI_SWRST		7
+#define PCC5_WDOG5_SWRST	8
+#define PCC5_EPDC_SWRST		9
+#define PCC5_PXP_SWRST		10
+#define PCC5_GPU2D_SWRST	11
+#define PCC5_GPU3D_SWRST	12
+#define PCC5_DC_NANO_SWRST	13
+
+#endif /*DT_BINDING_RESET_IMX8ULP_H */