linux-kernel - [PATCH 1/2] dt-bindings: clock: add QCOM SM6375 display clock bindings

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Message-Id: <20221109141855.52628-1-konrad.dybcio@linaro.org>
Date:   Wed,  9 Nov 2022 15:18:51 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc:     patches@...aro.org, Konrad Dybcio <konrad.dybcio@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: clock: add QCOM SM6375 display clock bindings

Add device tree bindings for display clock controller for
Qualcomm Technology Inc's SM6375 SoC.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 .../bindings/clock/qcom,sm6375-dispcc.yaml    | 68 +++++++++++++++++++
 .../dt-bindings/clock/qcom,sm6375-dispcc.h    | 42 ++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm6375-dispcc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,sm6375-dispcc.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,sm6375-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm6375-dispcc.yaml
new file mode 100644
index 000000000000..4f905f0bc1d9
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm6375-dispcc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm6375-dispcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller Binding for SM6375
+
+maintainers:
+  - Konrad Dybcio <konrad.dybcio@...aro.org>
+
+description: |
+  Qualcomm display clock control module which supports the clocks, resets and
+  power domains on SM6375.
+
+  See also:
+  - dt-bindings/clock/qcom,dispcc-sm6375.h
+
+properties:
+  compatible:
+    const: qcom,sm6375-dispcc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: GPLL0 source from GCC
+      - description: Byte clock from DSI PHY
+      - description: Pixel clock from DSI PHY
+
+  '#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,sm6375-gcc.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+
+    clock-controller@...0000 {
+      compatible = "qcom,sm6375-dispcc";
+      reg = <0x05f00000 0x20000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>,
+               <&gcc GCC_DISP_GPLL0_CLK_SRC>,
+               <&dsi_phy 0>,
+               <&dsi_phy 1>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...
diff --git a/include/dt-bindings/clock/qcom,sm6375-dispcc.h b/include/dt-bindings/clock/qcom,sm6375-dispcc.h
new file mode 100644
index 000000000000..b1de14677a61
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm6375-dispcc.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SM6375_H
+#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SM6375_H
+
+/* Clocks */
+#define DISP_CC_PLL0					0
+#define DISP_CC_MDSS_AHB_CLK				1
+#define DISP_CC_MDSS_AHB_CLK_SRC			2
+#define DISP_CC_MDSS_BYTE0_CLK				3
+#define DISP_CC_MDSS_BYTE0_CLK_SRC			4
+#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC			5
+#define DISP_CC_MDSS_BYTE0_INTF_CLK			6
+#define DISP_CC_MDSS_ESC0_CLK				7
+#define DISP_CC_MDSS_ESC0_CLK_SRC			8
+#define DISP_CC_MDSS_MDP_CLK				9
+#define DISP_CC_MDSS_MDP_CLK_SRC			10
+#define DISP_CC_MDSS_MDP_LUT_CLK			11
+#define DISP_CC_MDSS_NON_GDSC_AHB_CLK			12
+#define DISP_CC_MDSS_PCLK0_CLK				13
+#define DISP_CC_MDSS_PCLK0_CLK_SRC			14
+#define DISP_CC_MDSS_ROT_CLK				15
+#define DISP_CC_MDSS_ROT_CLK_SRC			16
+#define DISP_CC_MDSS_RSCC_AHB_CLK			17
+#define DISP_CC_MDSS_RSCC_VSYNC_CLK			18
+#define DISP_CC_MDSS_VSYNC_CLK				19
+#define DISP_CC_MDSS_VSYNC_CLK_SRC			20
+#define DISP_CC_SLEEP_CLK				21
+#define DISP_CC_XO_CLK					22
+
+/* Resets */
+#define DISP_CC_MDSS_CORE_BCR				0
+#define DISP_CC_MDSS_RSCC_BCR				1
+
+/* GDSCs */
+#define MDSS_GDSC					0
+
+#endif
-- 
2.38.1