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[3/6] dt-bindings: clock: Add Qcom SM6375 GPUCC

Message ID 20230126144033.216206-4-konrad.dybcio@linaro.org
State Superseded
Headers show
Series SM6(11|12|37)5 GPUCC | expand

Commit Message

Konrad Dybcio Jan. 26, 2023, 2:40 p.m. UTC 
Add device tree bindings for graphics clock controller for Qualcomm
Technology Inc's SM6375 SoCs.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 .../bindings/clock/qcom,sm6375-gpucc.yaml     | 60 +++++++++++++++++++
 include/dt-bindings/clock/qcom,sm6375-gpucc.h | 36 +++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm6375-gpucc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,sm6375-gpucc.h
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Patch

diff --git a/Documentation/devicetree/bindings/clock/qcom,sm6375-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm6375-gpucc.yaml
new file mode 100644
index 000000000000..b480ead5bd69
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm6375-gpucc.yaml
@@ -0,0 +1,60 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm6375-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on SM6375
+
+maintainers:
+  - Konrad Dybcio <konrad.dybcio@linaro.org>
+
+description: |
+  Qualcomm graphics clock control module provides clocks, resets and power
+  domains on Qualcomm SoCs.
+
+  See also:: include/dt-bindings/clock/qcom,sm6375-gpucc.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sm6375-gpucc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: GPLL0 main branch source
+      - description: GPLL0 div branch source
+      - description: SNoC DVM GFX source
+
+required:
+  - compatible
+  - clocks
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,sm6375-gcc.h>
+    #include <dt-bindings/clock/qcom,rpmcc.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@5990000 {
+            compatible = "qcom,sm6375-gpucc";
+            reg = <0 0x05990000 0 0x9000>;
+            clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
+                     <&gcc GCC_GPU_GPLL0_CLK_SRC>,
+                     <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>,
+                     <&gcc GCC_GPU_SNOC_DVM_GFX_CLK>;
+            #clock-cells = <1>;
+            #reset-cells = <1>;
+            #power-domain-cells = <1>;
+        };
+    };
+...
diff --git a/include/dt-bindings/clock/qcom,sm6375-gpucc.h b/include/dt-bindings/clock/qcom,sm6375-gpucc.h
new file mode 100644
index 000000000000..0887ac03825e
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm6375-gpucc.h
@@ -0,0 +1,36 @@ 
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_BLAIR_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_BLAIR_H
+
+/* GPU CC clocks */
+#define GPU_CC_PLL0					0
+#define GPU_CC_PLL1					1
+#define GPU_CC_AHB_CLK					2
+#define GPU_CC_CX_GFX3D_CLK				3
+#define GPU_CC_CX_GFX3D_SLV_CLK				4
+#define GPU_CC_CX_GMU_CLK				5
+#define GPU_CC_CX_SNOC_DVM_CLK				6
+#define GPU_CC_CXO_AON_CLK				7
+#define GPU_CC_CXO_CLK					8
+#define GPU_CC_GMU_CLK_SRC				9
+#define GPU_CC_GX_CXO_CLK				10
+#define GPU_CC_GX_GFX3D_CLK				11
+#define GPU_CC_GX_GFX3D_CLK_SRC				12
+#define GPU_CC_GX_GMU_CLK				13
+#define GPU_CC_SLEEP_CLK				14
+
+/* GDSCs */
+#define GPU_CX_GDSC					0
+#define GPU_GX_GDSC					1
+
+/* Resets */
+#define GPU_GX_BCR					0
+#define GPU_ACD_BCR					1
+#define GPU_GX_ACD_MISC_BCR				2
+
+#endif