Thread (7 messages) 7 messages, 3 authors, 2023-05-27
STALE1141d LANDED

[PATCH 1/4] dt-bindings: clock: Add Qcom SM8450 GPUCC

From: Konrad Dybcio <hidden>
Date: 2023-05-17 16:40:55
Also in: linux-arm-msm, linux-clk, lkml
Subsystem: arm/qualcomm mailing list, common clk framework, open firmware and flattened device tree bindings, qualcomm clock drivers, reset controller framework, the rest · Maintainers: Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Bjorn Andersson, Philipp Zabel, Linus Torvalds

Add device tree bindings for the graphics clock controller on Qualcomm
Technology Inc's SM8450 SoCs.

Signed-off-by: Konrad Dybcio <redacted>
---
 .../bindings/clock/qcom,sm8450-gpucc.yaml          | 73 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,sm8450-gpucc.h      | 48 ++++++++++++++
 include/dt-bindings/reset/qcom,sm8450-gpucc.h      | 20 ++++++
 3 files changed, 141 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8450-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8450-gpucc.yaml
new file mode 100644
index 000000000000..ad913b2daf0c
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm8450-gpucc.yaml
@@ -0,0 +1,73 @@
+# 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>;
+        };
+    };
+...
diff --git a/include/dt-bindings/clock/qcom,sm8450-gpucc.h b/include/dt-bindings/clock/qcom,sm8450-gpucc.h
new file mode 100644
index 000000000000..712b171503d6
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm8450-gpucc.h
@@ -0,0 +1,48 @@
+/* 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
diff --git a/include/dt-bindings/reset/qcom,sm8450-gpucc.h b/include/dt-bindings/reset/qcom,sm8450-gpucc.h
new file mode 100644
index 000000000000..58ba8f987107
--- /dev/null
+++ b/include/dt-bindings/reset/qcom,sm8450-gpucc.h
@@ -0,0 +1,20 @@
+/* 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
-- 
2.40.1
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