[PATCH v4 06/10] dt-bindings: clock: Add Qualcomm QCS615 Graphics clock controller

Taniya Das
2025-01-19T10:23:52Z

Add DT bindings for the Graphics clock on QCS615 platforms. Add the
relevant DT include definitions as well.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
---
.../bindings/clock/qcom,qcs615-gpucc.yaml | 66 ++++++++++++++++++++++
include/dt-bindings/clock/qcom,qcs615-gpucc.h | 39 +++++++++++++
2 files changed, 105 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..b798d2dd0f9cc0f0e742066c5da9a48cdc519243
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,qcs615-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on QCS615
+
+maintainers:
+ - Taniya Das <quic_tdas@quicinc.com>
+
+description: |
+ Qualcomm graphics clock control module provides clocks, resets and power
+ domains on QCS615 Qualcomm SoCs.
+
+ See also: include/dt-bindings/clock/qcom,qcs615-gpucc.h
+
+properties:
+ compatible:
+ const: qcom,qcs615-gpucc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Board XO source
+ - description: GPLL0 main branch source
+ - description: GPLL0 GPUCC div branch source
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+ '#power-domain-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - '#clock-cells'
+ - '#reset-cells'
+ - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/clock/qcom,qcs615-gcc.h>
+
+ clock-controller@5090000 {
+ compatible = "qcom,qcs615-gpucc";
+ reg = <0x5090000 0x9000>;
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GPLL0>,
+ <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>;
+
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ };
+...
diff --git a/include/dt-bindings/clock/qcom,qcs615-gpucc.h b/include/dt-bindings/clock/qcom,qcs615-gpucc.h
new file mode 100644
index 0000000000000000000000000000000000000000..6d8394b90d59074b93a26a9c027407a14b050b27
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,qcs615-gpucc.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_QCS615_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_QCS615_H
+
+/* GPU_CC clocks */
+#define CRC_DIV_PLL0 0
+#define CRC_DIV_PLL1 1
+#define GPU_CC_PLL0 2
+#define GPU_CC_PLL1 3
+#define GPU_CC_CRC_AHB_CLK 4
+#define GPU_CC_CX_GFX3D_CLK 5
+#define GPU_CC_CX_GFX3D_SLV_CLK 6
+#define GPU_CC_CX_GMU_CLK 7
+#define GPU_CC_CX_SNOC_DVM_CLK 8
+#define GPU_CC_CXO_AON_CLK 9
+#define GPU_CC_CXO_CLK 10
+#define GPU_CC_GMU_CLK_SRC 11
+#define GPU_CC_GX_GFX3D_CLK 12
+#define GPU_CC_GX_GFX3D_CLK_SRC 13
+#define GPU_CC_GX_GMU_CLK 14
+#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK 15
+#define GPU_CC_SLEEP_CLK 16
+
+/* GPU_CC power domains */
+#define CX_GDSC 0
+#define GX_GDSC 1
+
+/* GPU_CC resets */
+#define GPU_CC_CX_BCR 0
+#define GPU_CC_GFX3D_AON_BCR 1
+#define GPU_CC_GMU_BCR 2
+#define GPU_CC_GX_BCR 3
+#define GPU_CC_XO_BCR 4
+
+#endif

--
2.45.2