linux-kernel - [PATCH 1/3] dt-bindings: clock: qcom: Add SM8550 graphics clock controller

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Message-ID: <20230519213656.26089-2-quic_jkona@quicinc.com>
Date:   Sat, 20 May 2023 03:06:54 +0530
From:   Jagadeesh Kona <quic_jkona@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>,
        "Jagadeesh Kona" <quic_jkona@...cinc.com>
Subject: [PATCH 1/3] dt-bindings: clock: qcom: Add SM8550 graphics clock controller

Add device tree bindings for the graphics clock controller on
Qualcomm SM8550 platform.

Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
---
 .../bindings/clock/qcom,sm8550-gpucc.yaml     | 67 +++++++++++++++++++
 include/dt-bindings/clock/qcom,sm8550-gpucc.h | 48 +++++++++++++
 2 files changed, 115 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm8550-gpucc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,sm8550-gpucc.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8550-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8550-gpucc.yaml
new file mode 100644
index 000000000000..241e1911410f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm8550-gpucc.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm8550-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on SM8550
+
+maintainers:
+  - Taniya Das <quic_tdas@...cinc.com>
+  - Jagadeesh Kona <quic_jkona@...cinc.com>
+
+description: |
+  Qualcomm graphics clock control module provides the clocks, resets and power
+  domains on Qualcomm SoCs.
+
+  See also::
+    include/dt-bindings/clock/qcom,sm8550-gpucc.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sm8550-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,sm8550-gcc.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    clock-controller@...0000 {
+      compatible = "qcom,sm8550-gpucc";
+      reg = <0x03d90000 0xa000>;
+      clocks = <&bi_tcxo_div2>,
+               <&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,sm8550-gpucc.h b/include/dt-bindings/clock/qcom,sm8550-gpucc.h
new file mode 100644
index 000000000000..a6760547a3ab
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm8550-gpucc.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8550_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8550_H
+
+/* GPU_CC clocks */
+#define GPU_CC_AHB_CLK						0
+#define GPU_CC_CRC_AHB_CLK					1
+#define GPU_CC_CX_FF_CLK					2
+#define GPU_CC_CX_GMU_CLK					3
+#define GPU_CC_CXO_AON_CLK					4
+#define GPU_CC_CXO_CLK						5
+#define GPU_CC_DEMET_CLK					6
+#define GPU_CC_DEMET_DIV_CLK_SRC				7
+#define GPU_CC_FF_CLK_SRC					8
+#define GPU_CC_FREQ_MEASURE_CLK					9
+#define GPU_CC_GMU_CLK_SRC					10
+#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK				11
+#define GPU_CC_HUB_AON_CLK					12
+#define GPU_CC_HUB_CLK_SRC					13
+#define GPU_CC_HUB_CX_INT_CLK					14
+#define GPU_CC_MEMNOC_GFX_CLK					15
+#define GPU_CC_MND1X_0_GFX3D_CLK				16
+#define GPU_CC_MND1X_1_GFX3D_CLK				17
+#define GPU_CC_PLL0						18
+#define GPU_CC_PLL1						19
+#define GPU_CC_SLEEP_CLK					20
+#define GPU_CC_XO_CLK_SRC					21
+#define GPU_CC_XO_DIV_CLK_SRC					22
+
+/* GPU_CC power domains */
+#define GPU_CC_CX_GDSC						0
+#define GPU_CC_GX_GDSC						1
+
+/* GPU_CC resets */
+#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
+
+#endif
-- 
2.40.1