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Message-Id: <20250625-sm7635-clocks-v1-5-ca3120e3a80e@fairphone.com>
Date: Wed, 25 Jun 2025 11:12:23 +0200
From: Luca Weiss <luca.weiss@...rphone.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>, Konrad Dybcio <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 05/10] dt-bindings: clock: qcom: document the SM7635
Display Clock Controller
Add bindings documentation for the SM7635 Display Clock Controller.
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
.../bindings/clock/qcom,sm7635-dispcc.yaml | 63 ++++++++++++++++++++++
include/dt-bindings/clock/qcom,sm7635-dispcc.h | 61 +++++++++++++++++++++
2 files changed, 124 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/qcom,sm7635-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm7635-dispcc.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..d0427126bfc14b5064d3e08f26169d3408803942
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm7635-dispcc.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm7635-dispcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller on SM7635
+
+maintainers:
+ - Luca Weiss <luca.weiss@...rphone.com>
+
+description: |
+ Qualcomm display clock control module provides the clocks, resets and power
+ domains on SM7635.
+
+ See also: include/dt-bindings/clock/qcom,sm7635-dispcc.h
+
+properties:
+ compatible:
+ const: qcom,sm7635-dispcc
+
+ clocks:
+ items:
+ - description: Board XO source
+ - description: Sleep clock source
+ - description: Display's AHB clock
+ - description: GPLL0 source from GCC
+ - description: Byte clock from DSI PHY0
+ - description: Pixel clock from DSI PHY0
+ - description: Link clock from DP PHY0
+ - description: VCO DIV clock from DP PHY0
+
+required:
+ - compatible
+ - clocks
+ - '#power-domain-cells'
+
+allOf:
+ - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,sm7635-gcc.h>
+ #include <dt-bindings/phy/phy-qcom-qmp.h>
+ clock-controller@...0000 {
+ compatible = "qcom,sm7635-dispcc";
+ reg = <0x0af00000 0x20000>;
+ clocks = <&bi_tcxo_div2>,
+ <&sleep_clk>,
+ <&gcc GCC_DISP_AHB_CLK>,
+ <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
+ <&mdss_dsi0_phy 0>,
+ <&mdss_dsi0_phy 1>,
+ <&usb_dp_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+ <&usb_dp_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ };
+
+...
diff --git a/include/dt-bindings/clock/qcom,sm7635-dispcc.h b/include/dt-bindings/clock/qcom,sm7635-dispcc.h
new file mode 100644
index 0000000000000000000000000000000000000000..9dc5476eb89e8fb6a67b6413a1aa87c16ba22c0b
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm7635-dispcc.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2025, Luca Weiss <luca.weiss@...rphone.com>
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SM7635_H
+#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SM7635_H
+
+/* DISP_CC clocks */
+#define DISP_CC_PLL0 0
+#define DISP_CC_MDSS_ACCU_CLK 1
+#define DISP_CC_MDSS_AHB1_CLK 2
+#define DISP_CC_MDSS_AHB_CLK 3
+#define DISP_CC_MDSS_AHB_CLK_SRC 4
+#define DISP_CC_MDSS_BYTE0_CLK 5
+#define DISP_CC_MDSS_BYTE0_CLK_SRC 6
+#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC 7
+#define DISP_CC_MDSS_BYTE0_INTF_CLK 8
+#define DISP_CC_MDSS_DPTX0_AUX_CLK 9
+#define DISP_CC_MDSS_DPTX0_AUX_CLK_SRC 10
+#define DISP_CC_MDSS_DPTX0_CRYPTO_CLK 11
+#define DISP_CC_MDSS_DPTX0_LINK_CLK 12
+#define DISP_CC_MDSS_DPTX0_LINK_CLK_SRC 13
+#define DISP_CC_MDSS_DPTX0_LINK_DIV_CLK_SRC 14
+#define DISP_CC_MDSS_DPTX0_LINK_INTF_CLK 15
+#define DISP_CC_MDSS_DPTX0_PIXEL0_CLK 16
+#define DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC 17
+#define DISP_CC_MDSS_DPTX0_PIXEL1_CLK 18
+#define DISP_CC_MDSS_DPTX0_PIXEL1_CLK_SRC 19
+#define DISP_CC_MDSS_DPTX0_USB_ROUTER_LINK_INTF_CLK 20
+#define DISP_CC_MDSS_ESC0_CLK 21
+#define DISP_CC_MDSS_ESC0_CLK_SRC 22
+#define DISP_CC_MDSS_MDP1_CLK 23
+#define DISP_CC_MDSS_MDP_CLK 24
+#define DISP_CC_MDSS_MDP_CLK_SRC 25
+#define DISP_CC_MDSS_MDP_LUT1_CLK 26
+#define DISP_CC_MDSS_MDP_LUT_CLK 27
+#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 28
+#define DISP_CC_MDSS_PCLK0_CLK 29
+#define DISP_CC_MDSS_PCLK0_CLK_SRC 30
+#define DISP_CC_MDSS_RSCC_AHB_CLK 31
+#define DISP_CC_MDSS_RSCC_VSYNC_CLK 32
+#define DISP_CC_MDSS_VSYNC1_CLK 33
+#define DISP_CC_MDSS_VSYNC_CLK 34
+#define DISP_CC_MDSS_VSYNC_CLK_SRC 35
+#define DISP_CC_SLEEP_CLK 36
+#define DISP_CC_SLEEP_CLK_SRC 37
+#define DISP_CC_XO_CLK 38
+#define DISP_CC_XO_CLK_SRC 39
+
+/* DISP_CC resets */
+#define DISP_CC_MDSS_CORE_BCR 0
+#define DISP_CC_MDSS_CORE_INT2_BCR 1
+#define DISP_CC_MDSS_RSCC_BCR 2
+
+/* DISP_CC power domains */
+#define DISP_CC_MDSS_CORE_GDSC 0
+#define DISP_CC_MDSS_CORE_INT2_GDSC 1
+
+#endif
--
2.50.0
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