[PATCH v7 3/6] dt-bindings: clock: Add Qcom SM8350 GPUCC bindings

From: Robert Foss
Date: Wed Jun 22 2022 - 19:29:26 EST


Add device tree bindings for graphics clock controller for
Qualcomm Technology Inc's SM8350 SoCs.

Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmityr.baryshkov@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---

Changes since v3
- Separate from qcom,gpucc
- Remove clock-names
- Make example sm8350 based
- Changed author to me due to size of changes

Changes since v5
- Add Ack - Rob

Changes since v5
- Reverted split from dispcc-sm8250
- Re-added tags from v3


.../bindings/clock/qcom,gpucc-sm8350.yaml | 72 +++++++++++++++++++
include/dt-bindings/clock/qcom,gpucc-sm8350.h | 52 ++++++++++++++
2 files changed, 124 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml
create mode 100644 include/dt-bindings/clock/qcom,gpucc-sm8350.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml b/Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml
new file mode 100644
index 000000000000..0a0546c079a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,gpucc-sm8350.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller Binding
+
+maintainers:
+ - Robert Foss <robert.foss@xxxxxxxxxx>
+
+description: |
+ Qualcomm graphics clock control module which supports the clocks, resets and
+ power domains on Qualcomm SoCs.
+
+ See also:
+ dt-bindings/clock/qcom,gpucc-sm8350.h
+
+properties:
+ compatible:
+ enum:
+ - qcom,sm8350-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-sm8350.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ clock-controller@3d90000 {
+ compatible = "qcom,sm8350-gpucc";
+ reg = <0 0x03d90000 0 0x9000>;
+ 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>;
+ };
+ };
+...
diff --git a/include/dt-bindings/clock/qcom,gpucc-sm8350.h b/include/dt-bindings/clock/qcom,gpucc-sm8350.h
new file mode 100644
index 000000000000..2ca857f5bfd2
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,gpucc-sm8350.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2022, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8350_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8350_H
+
+/* GPU_CC clocks */
+#define GPU_CC_AHB_CLK 0
+#define GPU_CC_CB_CLK 1
+#define GPU_CC_CRC_AHB_CLK 2
+#define GPU_CC_CX_APB_CLK 3
+#define GPU_CC_CX_GMU_CLK 4
+#define GPU_CC_CX_QDSS_AT_CLK 5
+#define GPU_CC_CX_QDSS_TRIG_CLK 6
+#define GPU_CC_CX_QDSS_TSCTR_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_FREQ_MEASURE_CLK 11
+#define GPU_CC_GMU_CLK_SRC 12
+#define GPU_CC_GX_GMU_CLK 13
+#define GPU_CC_GX_QDSS_TSCTR_CLK 14
+#define GPU_CC_GX_VSENSE_CLK 15
+#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK 16
+#define GPU_CC_HUB_AHB_DIV_CLK_SRC 17
+#define GPU_CC_HUB_AON_CLK 18
+#define GPU_CC_HUB_CLK_SRC 19
+#define GPU_CC_HUB_CX_INT_CLK 20
+#define GPU_CC_HUB_CX_INT_DIV_CLK_SRC 21
+#define GPU_CC_MND1X_0_GFX3D_CLK 22
+#define GPU_CC_MND1X_1_GFX3D_CLK 23
+#define GPU_CC_PLL0 24
+#define GPU_CC_PLL1 25
+#define GPU_CC_SLEEP_CLK 26
+
+/* GPU_CC resets */
+#define GPUCC_GPU_CC_ACD_BCR 0
+#define GPUCC_GPU_CC_CB_BCR 1
+#define GPUCC_GPU_CC_CX_BCR 2
+#define GPUCC_GPU_CC_FAST_HUB_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
+
+/* GPU_CC GDSCRs */
+#define GPU_CX_GDSC 0
+#define GPU_GX_GDSC 1
+
+#endif
--
2.34.1