dt-bindings: clock: add QCOM SM8450 camera clock bindings

The change adds device tree bindings for camera clock controller
found on SM8450 SoC.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220701062622.2757831-2-vladimir.zapolskiy@linaro.org

Documentation/devicetree/bindings/clock/qcom,sm8450-camcc.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm8450-camcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Camera Clock & Reset Controller Binding for SM8450
+
+maintainers:
+  - Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
+
+description: |
+  Qualcomm camera clock control module which supports the clocks, resets and
+  power domains on SM8450.
+
+  See also include/dt-bindings/clock/qcom,sm8450-camcc.h
+
+properties:
+  compatible:
+    const: qcom,sm8450-camcc
+
+  clocks:
+    items:
+      - description: Camera AHB clock from GCC
+      - description: Board XO source
+      - description: Board active XO source
+      - description: Sleep clock source
+
+  power-domains:
+    maxItems: 1
+    description:
+      A phandle and PM domain specifier for the MMCX power domain.
+
+  required-opps:
+    description:
+      A phandle to an OPP node describing required MMCX performance point.
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - power-domains
+  - required-opps
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sm8450.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+    clock-controller@ade0000 {
+      compatible = "qcom,sm8450-camcc";
+      reg = <0xade0000 0x20000>;
+      clocks = <&gcc GCC_CAMERA_AHB_CLK>,
+               <&rpmhcc RPMH_CXO_CLK>,
+               <&rpmhcc RPMH_CXO_CLK_A>,
+               <&sleep_clk>;
+      power-domains = <&rpmhpd SM8450_MMCX>;
+      required-opps = <&rpmhpd_opp_low_svs>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...

include/dt-bindings/clock/qcom,sm8450-camcc.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_CAM_CC_SM8450_H
+#define _DT_BINDINGS_CLK_QCOM_CAM_CC_SM8450_H
+
+/* CAM_CC clocks */
+#define CAM_CC_BPS_AHB_CLK					0
+#define CAM_CC_BPS_CLK						1
+#define CAM_CC_BPS_CLK_SRC					2
+#define CAM_CC_BPS_FAST_AHB_CLK					3
+#define CAM_CC_CAMNOC_AXI_CLK					4
+#define CAM_CC_CAMNOC_AXI_CLK_SRC				5
+#define CAM_CC_CAMNOC_DCD_XO_CLK				6
+#define CAM_CC_CCI_0_CLK					7
+#define CAM_CC_CCI_0_CLK_SRC					8
+#define CAM_CC_CCI_1_CLK					9
+#define CAM_CC_CCI_1_CLK_SRC					10
+#define CAM_CC_CORE_AHB_CLK					11
+#define CAM_CC_CPAS_AHB_CLK					12
+#define CAM_CC_CPAS_BPS_CLK					13
+#define CAM_CC_CPAS_FAST_AHB_CLK				14
+#define CAM_CC_CPAS_IFE_0_CLK					15
+#define CAM_CC_CPAS_IFE_1_CLK					16
+#define CAM_CC_CPAS_IFE_2_CLK					17
+#define CAM_CC_CPAS_IFE_LITE_CLK				18
+#define CAM_CC_CPAS_IPE_NPS_CLK					19
+#define CAM_CC_CPAS_SBI_CLK					20
+#define CAM_CC_CPAS_SFE_0_CLK					21
+#define CAM_CC_CPAS_SFE_1_CLK					22
+#define CAM_CC_CPHY_RX_CLK_SRC					23
+#define CAM_CC_CSI0PHYTIMER_CLK					24
+#define CAM_CC_CSI0PHYTIMER_CLK_SRC				25
+#define CAM_CC_CSI1PHYTIMER_CLK					26
+#define CAM_CC_CSI1PHYTIMER_CLK_SRC				27
+#define CAM_CC_CSI2PHYTIMER_CLK					28
+#define CAM_CC_CSI2PHYTIMER_CLK_SRC				29
+#define CAM_CC_CSI3PHYTIMER_CLK					30
+#define CAM_CC_CSI3PHYTIMER_CLK_SRC				31
+#define CAM_CC_CSI4PHYTIMER_CLK					32
+#define CAM_CC_CSI4PHYTIMER_CLK_SRC				33
+#define CAM_CC_CSI5PHYTIMER_CLK					34
+#define CAM_CC_CSI5PHYTIMER_CLK_SRC				35
+#define CAM_CC_CSID_CLK						36
+#define CAM_CC_CSID_CLK_SRC					37
+#define CAM_CC_CSID_CSIPHY_RX_CLK				38
+#define CAM_CC_CSIPHY0_CLK					39
+#define CAM_CC_CSIPHY1_CLK					40
+#define CAM_CC_CSIPHY2_CLK					41
+#define CAM_CC_CSIPHY3_CLK					42
+#define CAM_CC_CSIPHY4_CLK					43
+#define CAM_CC_CSIPHY5_CLK					44
+#define CAM_CC_FAST_AHB_CLK_SRC					45
+#define CAM_CC_GDSC_CLK						46
+#define CAM_CC_ICP_AHB_CLK					47
+#define CAM_CC_ICP_CLK						48
+#define CAM_CC_ICP_CLK_SRC					49
+#define CAM_CC_IFE_0_CLK					50
+#define CAM_CC_IFE_0_CLK_SRC					51
+#define CAM_CC_IFE_0_DSP_CLK					52
+#define CAM_CC_IFE_0_FAST_AHB_CLK				53
+#define CAM_CC_IFE_1_CLK					54
+#define CAM_CC_IFE_1_CLK_SRC					55
+#define CAM_CC_IFE_1_DSP_CLK					56
+#define CAM_CC_IFE_1_FAST_AHB_CLK				57
+#define CAM_CC_IFE_2_CLK					58
+#define CAM_CC_IFE_2_CLK_SRC					59
+#define CAM_CC_IFE_2_DSP_CLK					60
+#define CAM_CC_IFE_2_FAST_AHB_CLK				61
+#define CAM_CC_IFE_LITE_AHB_CLK					62
+#define CAM_CC_IFE_LITE_CLK					63
+#define CAM_CC_IFE_LITE_CLK_SRC					64
+#define CAM_CC_IFE_LITE_CPHY_RX_CLK				65
+#define CAM_CC_IFE_LITE_CSID_CLK				66
+#define CAM_CC_IFE_LITE_CSID_CLK_SRC				67
+#define CAM_CC_IPE_NPS_AHB_CLK					68
+#define CAM_CC_IPE_NPS_CLK					69
+#define CAM_CC_IPE_NPS_CLK_SRC					70
+#define CAM_CC_IPE_NPS_FAST_AHB_CLK				71
+#define CAM_CC_IPE_PPS_CLK					72
+#define CAM_CC_IPE_PPS_FAST_AHB_CLK				73
+#define CAM_CC_JPEG_CLK						74
+#define CAM_CC_JPEG_CLK_SRC					75
+#define CAM_CC_MCLK0_CLK					76
+#define CAM_CC_MCLK0_CLK_SRC					77
+#define CAM_CC_MCLK1_CLK					78
+#define CAM_CC_MCLK1_CLK_SRC					79
+#define CAM_CC_MCLK2_CLK					80
+#define CAM_CC_MCLK2_CLK_SRC					81
+#define CAM_CC_MCLK3_CLK					82
+#define CAM_CC_MCLK3_CLK_SRC					83
+#define CAM_CC_MCLK4_CLK					84
+#define CAM_CC_MCLK4_CLK_SRC					85
+#define CAM_CC_MCLK5_CLK					86
+#define CAM_CC_MCLK5_CLK_SRC					87
+#define CAM_CC_MCLK6_CLK					88
+#define CAM_CC_MCLK6_CLK_SRC					89
+#define CAM_CC_MCLK7_CLK					90
+#define CAM_CC_MCLK7_CLK_SRC					91
+#define CAM_CC_PLL0						92
+#define CAM_CC_PLL0_OUT_EVEN					93
+#define CAM_CC_PLL0_OUT_ODD					94
+#define CAM_CC_PLL1						95
+#define CAM_CC_PLL1_OUT_EVEN					96
+#define CAM_CC_PLL2						97
+#define CAM_CC_PLL3						98
+#define CAM_CC_PLL3_OUT_EVEN					99
+#define CAM_CC_PLL4						100
+#define CAM_CC_PLL4_OUT_EVEN					101
+#define CAM_CC_PLL5						102
+#define CAM_CC_PLL5_OUT_EVEN					103
+#define CAM_CC_PLL6						104
+#define CAM_CC_PLL6_OUT_EVEN					105
+#define CAM_CC_PLL7						106
+#define CAM_CC_PLL7_OUT_EVEN					107
+#define CAM_CC_PLL8						108
+#define CAM_CC_PLL8_OUT_EVEN					109
+#define CAM_CC_QDSS_DEBUG_CLK					110
+#define CAM_CC_QDSS_DEBUG_CLK_SRC				111
+#define CAM_CC_QDSS_DEBUG_XO_CLK				112
+#define CAM_CC_SBI_AHB_CLK					113
+#define CAM_CC_SBI_CLK						114
+#define CAM_CC_SFE_0_CLK					115
+#define CAM_CC_SFE_0_CLK_SRC					116
+#define CAM_CC_SFE_0_FAST_AHB_CLK				117
+#define CAM_CC_SFE_1_CLK					118
+#define CAM_CC_SFE_1_CLK_SRC					119
+#define CAM_CC_SFE_1_FAST_AHB_CLK				120
+#define CAM_CC_SLEEP_CLK					121
+#define CAM_CC_SLEEP_CLK_SRC					122
+#define CAM_CC_SLOW_AHB_CLK_SRC					123
+#define CAM_CC_XO_CLK_SRC					124
+
+/* CAM_CC resets */
+#define CAM_CC_BPS_BCR						0
+#define CAM_CC_ICP_BCR						1
+#define CAM_CC_IFE_0_BCR					2
+#define CAM_CC_IFE_1_BCR					3
+#define CAM_CC_IFE_2_BCR					4
+#define CAM_CC_IPE_0_BCR					5
+#define CAM_CC_QDSS_DEBUG_BCR					6
+#define CAM_CC_SBI_BCR						7
+#define CAM_CC_SFE_0_BCR					8
+#define CAM_CC_SFE_1_BCR					9
+
+/* CAM_CC GDSCRs */
+#define BPS_GDSC		0
+#define IPE_0_GDSC		1
+#define SBI_GDSC		2
+#define IFE_0_GDSC		3
+#define IFE_1_GDSC		4
+#define IFE_2_GDSC		5
+#define SFE_0_GDSC		6
+#define SFE_1_GDSC		7
+#define TITAN_TOP_GDSC		8
+
+#endif