dt-bindings: clock: Add Qcom SM8450 GPUCC

Add device tree bindings for the graphics clock controller on Qualcomm
Technology Inc's SM8450 SoCs.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230517-topic-waipio-gpucc-v1-1-4f40e282af1d@linaro.org

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

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm8450-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on SM8450
+
+maintainers:
+  - Konrad Dybcio <konrad.dybcio@linaro.org>
+
+description: |
+  Qualcomm graphics clock control module provides the clocks, resets and power
+  domains on Qualcomm SoCs.
+
+  See also::
+    include/dt-bindings/clock/qcom,sm8450-gpucc.h
+    include/dt-bindings/reset/qcom,sm8450-gpucc.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sm8450-gpucc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: GPLL0 main branch source
+      - description: GPLL0 div branch source
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#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>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@3d90000 {
+            compatible = "qcom,sm8450-gpucc";
+            reg = <0 0x03d90000 0 0xa000>;
+            clocks = <&rpmhcc RPMH_CXO_CLK>,
+                     <&gcc GCC_GPU_GPLL0_CLK_SRC>,
+                     <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>;
+            #clock-cells = <1>;
+            #reset-cells = <1>;
+            #power-domain-cells = <1>;
+        };
+    };
+...

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

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8450_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8450_H
+
+/* Clocks */
+#define GPU_CC_AHB_CLK				0
+#define GPU_CC_CRC_AHB_CLK			1
+#define GPU_CC_CX_APB_CLK			2
+#define GPU_CC_CX_FF_CLK			3
+#define GPU_CC_CX_GMU_CLK			4
+#define GPU_CC_CX_SNOC_DVM_CLK			5
+#define GPU_CC_CXO_AON_CLK			6
+#define GPU_CC_CXO_CLK				7
+#define GPU_CC_DEMET_CLK			8
+#define GPU_CC_DEMET_DIV_CLK_SRC		9
+#define GPU_CC_FF_CLK_SRC			10
+#define GPU_CC_FREQ_MEASURE_CLK			11
+#define GPU_CC_GMU_CLK_SRC			12
+#define GPU_CC_GX_FF_CLK			13
+#define GPU_CC_GX_GFX3D_CLK			14
+#define GPU_CC_GX_GFX3D_RDVM_CLK		15
+#define GPU_CC_GX_GMU_CLK			16
+#define GPU_CC_GX_VSENSE_CLK			17
+#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK		18
+#define GPU_CC_HUB_AHB_DIV_CLK_SRC		19
+#define GPU_CC_HUB_AON_CLK			20
+#define GPU_CC_HUB_CLK_SRC			21
+#define GPU_CC_HUB_CX_INT_CLK			22
+#define GPU_CC_HUB_CX_INT_DIV_CLK_SRC		23
+#define GPU_CC_MEMNOC_GFX_CLK			24
+#define GPU_CC_MND1X_0_GFX3D_CLK		25
+#define GPU_CC_MND1X_1_GFX3D_CLK		26
+#define GPU_CC_PLL0				27
+#define GPU_CC_PLL1				28
+#define GPU_CC_SLEEP_CLK			29
+#define GPU_CC_XO_CLK_SRC			30
+#define GPU_CC_XO_DIV_CLK_SRC			31
+
+/* GDSCs */
+#define GPU_GX_GDSC				0
+#define GPU_CX_GDSC				1
+
+#endif

include/dt-bindings/reset/qcom,sm8450-gpucc.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_RESET_QCOM_GPU_CC_SM8450_H
+#define _DT_BINDINGS_RESET_QCOM_GPU_CC_SM8450_H
+
+#define GPUCC_GPU_CC_ACD_BCR			0
+#define GPUCC_GPU_CC_CX_BCR			1
+#define GPUCC_GPU_CC_FAST_HUB_BCR		2
+#define GPUCC_GPU_CC_FF_BCR			3
+#define GPUCC_GPU_CC_GFX3D_AON_BCR		4
+#define GPUCC_GPU_CC_GMU_BCR			5
+#define GPUCC_GPU_CC_GX_BCR			6
+#define GPUCC_GPU_CC_XO_BCR			7
+#define GPUCC_GPU_CC_GX_ACD_IROOT_BCR		8
+
+#endif