linux-kernel - [PATCH v2 07/11] dt-bindings: clock: Add Qualcomm QCS615 Graphics clock controller

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Message-ID: <20241101-qcs615-mm-clockcontroller-v2-7-d1a4870a4aed@quicinc.com>
Date: Fri, 1 Nov 2024 16:08:19 +0530
From: Taniya Das <quic_tdas@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette
	<mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Abhishek Sahu
	<absahu@...eaurora.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Catalin Marinas
	<catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
CC: Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik
	<quic_imrashai@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Taniya Das <quic_tdas@...cinc.com>
Subject: [PATCH v2 07/11] dt-bindings: clock: Add Qualcomm QCS615 Graphics
 clock controller

Add DT bindings for the Graphics clock on QCS615 platforms. Add the
relevant DT include definitions as well.

Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
---
 .../bindings/clock/qcom,qcs615-gpucc.yaml          | 66 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,qcs615-gpucc.h      | 39 +++++++++++++
 2 files changed, 105 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..b798d2dd0f9cc0f0e742066c5da9a48cdc519243
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,qcs615-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on QCS615
+
+maintainers:
+  - Taniya Das <quic_tdas@...cinc.com>
+
+description: |
+  Qualcomm graphics clock control module provides clocks, resets and power
+  domains on QCS615 Qualcomm SoCs.
+
+  See also: include/dt-bindings/clock/qcom,qcs615-gpucc.h
+
+properties:
+  compatible:
+    const: qcom,qcs615-gpucc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: GPLL0 main branch source
+      - description: GPLL0 GPUCC div branch source
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/clock/qcom,qcs615-gcc.h>
+
+    clock-controller@...0000 {
+      compatible = "qcom,qcs615-gpucc";
+      reg = <0x5090000 0x9000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>,
+               <&gcc    GPLL0>,
+               <&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,qcs615-gpucc.h b/include/dt-bindings/clock/qcom,qcs615-gpucc.h
new file mode 100644
index 0000000000000000000000000000000000000000..6d8394b90d59074b93a26a9c027407a14b050b27
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,qcs615-gpucc.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_QCS615_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_QCS615_H
+
+/* GPU_CC clocks */
+#define CRC_DIV_PLL0						0
+#define CRC_DIV_PLL1						1
+#define GPU_CC_PLL0						2
+#define GPU_CC_PLL1						3
+#define GPU_CC_CRC_AHB_CLK					4
+#define GPU_CC_CX_GFX3D_CLK					5
+#define GPU_CC_CX_GFX3D_SLV_CLK					6
+#define GPU_CC_CX_GMU_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_GMU_CLK_SRC					11
+#define GPU_CC_GX_GFX3D_CLK					12
+#define GPU_CC_GX_GFX3D_CLK_SRC					13
+#define GPU_CC_GX_GMU_CLK					14
+#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK				15
+#define GPU_CC_SLEEP_CLK					16
+
+/* GPU_CC power domains */
+#define CX_GDSC							0
+#define GX_GDSC							1
+
+/* GPU_CC resets */
+#define GPU_CC_CX_BCR						0
+#define GPU_CC_GFX3D_AON_BCR					1
+#define GPU_CC_GMU_BCR						2
+#define GPU_CC_GX_BCR						3
+#define GPU_CC_XO_BCR						4
+
+#endif

-- 
2.45.2