linux-kernel - [PATCH 1/8] dt-bindings: clock: qcom: Add SA8775P video clock controller

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Message-ID: <20240612-sa8775p-mm-clock-controllers-v1-1-db295a846ee7@quicinc.com>
Date: Wed, 12 Jun 2024 16:17:42 +0530
From: Taniya Das <quic_tdas@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette
	<mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Taniya Das <quic_tdas@...cinc.com>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Bartosz Golaszewski
	<bartosz.golaszewski@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_jkona@...cinc.com>, <quic_imrashai@...cinc.com>
Subject: [PATCH 1/8] dt-bindings: clock: qcom: Add SA8775P video clock
 controller

Add device tree bindings for the video clock controller on Qualcomm
SA8775P platform.

Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
---
 .../bindings/clock/qcom,sa8775p-videocc.yaml       | 62 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,sa8775p-videocc.h   | 47 ++++++++++++++++
 2 files changed, 109 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,sa8775p-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sa8775p-videocc.yaml
new file mode 100644
index 000000000000..928131bff4c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sa8775p-videocc.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sa8775p-videocc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Video Clock & Reset Controller on SA8775P
+
+maintainers:
+  - Taniya Das <quic_tdas@...cinc.com>
+
+description: |
+  Qualcomm video clock control module provides the clocks, resets and power
+  domains on SA8775P.
+
+  See also: include/dt-bindings/clock/qcom,sa8775p-videocc.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sa8775p-videocc
+
+  clocks:
+    items:
+      - description: Video AHB clock from GCC
+      - description: Board XO source
+      - description: Board active XO source
+      - description: Sleep Clock source
+
+  power-domains:
+    maxItems: 1
+    description: MMCX power domain
+
+required:
+  - compatible
+  - clocks
+  - power-domains
+  - '#power-domain-cells'
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+    #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
+    videocc: clock-controller@...0000 {
+      compatible = "qcom,sa8775p-videocc";
+      reg = <0x0abf0000 0x10000>;
+      clocks = <&gcc GCC_VIDEO_AHB_CLK>,
+               <&rpmhcc RPMH_CXO_CLK>,
+               <&rpmhcc RPMH_CXO_CLK_A>,
+               <&sleep_clk>;
+      power-domains = <&rpmhpd SA8775P_MMCX>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...
diff --git a/include/dt-bindings/clock/qcom,sa8775p-videocc.h b/include/dt-bindings/clock/qcom,sa8775p-videocc.h
new file mode 100644
index 000000000000..e6325f68c317
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sa8775p-videocc.h
@@ -0,0 +1,47 @@
+/* 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_SA8775P_VIDEO_CC_H
+#define _DT_BINDINGS_CLK_QCOM_SA8775P_VIDEO_CC_H
+
+/* VIDEO_CC clocks */
+#define VIDEO_CC_AHB_CLK					0
+#define VIDEO_CC_AHB_CLK_SRC					1
+#define VIDEO_CC_MVS0_CLK					2
+#define VIDEO_CC_MVS0_CLK_SRC					3
+#define VIDEO_CC_MVS0_DIV_CLK_SRC				4
+#define VIDEO_CC_MVS0C_CLK					5
+#define VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC				6
+#define VIDEO_CC_MVS1_CLK					7
+#define VIDEO_CC_MVS1_CLK_SRC					8
+#define VIDEO_CC_MVS1_DIV_CLK_SRC				9
+#define VIDEO_CC_MVS1C_CLK					10
+#define VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC				11
+#define VIDEO_CC_PLL_LOCK_MONITOR_CLK				12
+#define VIDEO_CC_SLEEP_CLK					13
+#define VIDEO_CC_SLEEP_CLK_SRC					14
+#define VIDEO_CC_SM_DIV_CLK_SRC					15
+#define VIDEO_CC_SM_OBS_CLK					16
+#define VIDEO_CC_XO_CLK						17
+#define VIDEO_CC_XO_CLK_SRC					18
+#define VIDEO_PLL0						19
+#define VIDEO_PLL1						20
+
+/* VIDEO_CC power domains */
+#define VIDEO_CC_MVS0C_GDSC					0
+#define VIDEO_CC_MVS0_GDSC					1
+#define VIDEO_CC_MVS1C_GDSC					2
+#define VIDEO_CC_MVS1_GDSC					3
+
+/* VIDEO_CC resets */
+#define VIDEO_CC_INTERFACE_BCR					0
+#define VIDEO_CC_MVS0_BCR					1
+#define VIDEO_CC_MVS0C_CLK_ARES					2
+#define VIDEO_CC_MVS0C_BCR					3
+#define VIDEO_CC_MVS1_BCR					4
+#define VIDEO_CC_MVS1C_CLK_ARES					5
+#define VIDEO_CC_MVS1C_BCR					6
+
+#endif

-- 
2.45.2