linux-kernel - [RESEND PATCH v2 06/13] dt-bindings: clock: Introduce SM8150 QCOM Graphics clock bindings

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Message-Id: <20200629211725.2592-7-jonathan@marek.ca>
Date:   Mon, 29 Jun 2020 17:17:12 -0400
From:   Jonathan Marek <jonathan@...ek.ca>
To:     linux-arm-msm@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-clk@...r.kernel.org (open list:COMMON CLK FRAMEWORK),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [RESEND PATCH v2 06/13] dt-bindings: clock: Introduce SM8150 QCOM Graphics clock bindings

Add device tree bindings for graphics clock controller for
Qualcomm Technology Inc's SM8150 SoCs.

Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 .../bindings/clock/qcom,sm8150-gpucc.yaml     | 74 +++++++++++++++++++
 include/dt-bindings/clock/qcom,gpucc-sm8150.h | 40 ++++++++++
 2 files changed, 114 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,gpucc-sm8150.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml
new file mode 100644
index 000000000000..683b50dd3492
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm8150-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller Binding for SM8150
+
+maintainers:
+  -
+
+description: |
+  Qualcomm graphics clock control module which supports the clocks, resets and
+  power domains on SM8150.
+
+  See also dt-bindings/clock/qcom,gpucc-sm8150.h.
+
+properties:
+  compatible:
+    const: qcom,sm8150-gpucc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: GPLL0 main branch source
+      - description: GPLL0 div branch source
+
+  clock-names:
+    items:
+      - const: bi_tcxo
+      - const: gcc_gpu_gpll0_clk_src
+      - const: gcc_gpu_gpll0_div_clk_src
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sm8150.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    clock-controller@...0000 {
+      compatible = "qcom,sm8150-gpucc";
+      reg = <0x2c90000 0x9000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>,
+               <&gcc GCC_GPU_GPLL0_CLK_SRC>,
+               <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>;
+      clock-names = "bi_tcxo",
+                    "gcc_gpu_gpll0_clk_src",
+                    "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-sm8150.h b/include/dt-bindings/clock/qcom,gpucc-sm8150.h
new file mode 100644
index 000000000000..e7cac7fe9739
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,gpucc-sm8150.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8150_H
+#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8150_H
+
+/* GPU_CC clock registers */
+#define GPU_CC_AHB_CLK				0
+#define GPU_CC_CRC_AHB_CLK			1
+#define GPU_CC_CX_APB_CLK			2
+#define GPU_CC_CX_GMU_CLK			3
+#define GPU_CC_CX_QDSS_AT_CLK			4
+#define GPU_CC_CX_QDSS_TRIG_CLK			5
+#define GPU_CC_CX_QDSS_TSCTR_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_GMU_CLK_SRC			10
+#define GPU_CC_GX_GMU_CLK			11
+#define GPU_CC_GX_QDSS_TSCTR_CLK		12
+#define GPU_CC_GX_VSENSE_CLK			13
+#define GPU_CC_PLL1				14
+#define GPU_CC_PLL_TEST_CLK			15
+#define GPU_CC_SLEEP_CLK			16
+
+/* GPU_CC Resets */
+#define GPUCC_GPU_CC_CX_BCR			0
+#define GPUCC_GPU_CC_GFX3D_AON_BCR		1
+#define GPUCC_GPU_CC_GMU_BCR			2
+#define GPUCC_GPU_CC_GX_BCR			3
+#define GPUCC_GPU_CC_SPDM_BCR			4
+#define GPUCC_GPU_CC_XO_BCR			5
+
+/* GPU_CC GDSCRs */
+#define GPU_CX_GDSC				0
+#define GPU_GX_GDSC				1
+
+#endif
-- 
2.26.1