[PATCH 1/7] dt-bindings: clock: qcom: describe the GPUCC clock for SA8775P
Bartosz Golaszewski
brgl at bgdev.pl
Tue Mar 28 12:36:26 PDT 2023
From: Bartosz Golaszewski <bartosz.golaszewski at linaro.org>
Add bindings for the Qualcomm Graphics Clock control module present on
sa8775p platforms.
Cc: Stephen Boyd <sboyd at kernel.org>
Cc: Michael Turquette <mturquette at baylibre.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski at linaro.org>
---
.../bindings/clock/qcom,sa8775p-gpucc.yaml | 61 +++++++++++++++++++
.../dt-bindings/clock/qcom,sa8775p-gpucc.h | 50 +++++++++++++++
2 files changed, 111 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/qcom,sa8775p-gpucc.yaml
create mode 100644 include/dt-bindings/clock/qcom,sa8775p-gpucc.h
diff --git a/Documentation/devicetree/bindings/clock/qcom,sa8775p-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sa8775p-gpucc.yaml
new file mode 100644
index 000000000000..203802f81738
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sa8775p-gpucc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sa8775p-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on SA8775P
+
+maintainers:
+ - Bjorn Andersson <andersson at kernel.org>
+ - Bartosz Golaszewski <bartosz.golaszewski at linaro.org>
+
+description: |
+ Qualcomm graphics clock control module provides clocks, resets and power
+ domains on Qualcomm SoCs.
+
+ See also:: include/dt-bindings/clock/qcom,sa8775p-gpucc.h
+
+properties:
+ compatible:
+ enum:
+ - qcom,sa8775p-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,sa8775p-gcc.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ clock-controller at 3d90000 {
+ compatible = "qcom,sa8775p-gpucc";
+ reg = <0x0 0x03d90000 0x0 0xa000>;
+ clocks = <&gcc GCC_GPU_CFG_AHB_CLK>,
+ <&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,sa8775p-gpucc.h b/include/dt-bindings/clock/qcom,sa8775p-gpucc.h
new file mode 100644
index 000000000000..a5fd784b1ea2
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sa8775p-gpucc.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPUCC_SA8775P_H
+#define _DT_BINDINGS_CLK_QCOM_GPUCC_SA8775P_H
+
+/* GPU_CC clocks */
+#define GPU_CC_PLL0 0
+#define GPU_CC_PLL1 1
+#define GPU_CC_AHB_CLK 2
+#define GPU_CC_CB_CLK 3
+#define GPU_CC_CRC_AHB_CLK 4
+#define GPU_CC_CX_FF_CLK 5
+#define GPU_CC_CX_GMU_CLK 6
+#define GPU_CC_CX_SNOC_DVM_CLK 7
+#define GPU_CC_CXO_AON_CLK 8
+#define GPU_CC_CXO_CLK 9
+#define GPU_CC_DEMET_CLK 10
+#define GPU_CC_DEMET_DIV_CLK_SRC 11
+#define GPU_CC_FF_CLK_SRC 12
+#define GPU_CC_GMU_CLK_SRC 13
+#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK 14
+#define GPU_CC_HUB_AHB_DIV_CLK_SRC 15
+#define GPU_CC_HUB_AON_CLK 16
+#define GPU_CC_HUB_CLK_SRC 17
+#define GPU_CC_HUB_CX_INT_CLK 18
+#define GPU_CC_HUB_CX_INT_DIV_CLK_SRC 19
+#define GPU_CC_MEMNOC_GFX_CLK 20
+#define GPU_CC_SLEEP_CLK 21
+#define GPU_CC_XO_CLK_SRC 22
+
+/* 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_FF_BCR 4
+#define GPUCC_GPU_CC_GFX3D_AON_BCR 5
+#define GPUCC_GPU_CC_GMU_BCR 6
+#define GPUCC_GPU_CC_GX_BCR 7
+#define GPUCC_GPU_CC_XO_BCR 8
+
+/* GPU_CC power domains */
+#define GPU_CC_CX_GDSC 0
+#define GPU_CC_GX_GDSC 1
+
+#endif /* _DT_BINDINGS_CLK_QCOM_GPUCC_SA8775P_H */
--
2.37.2
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