[PATCH 2/3] dt-bindings: clock: qcom: document the Nord DPRX Clock Controller

From: Taniya Das

Date: Mon Sep 07 2026 - 04:31:24 EST


Add bindings documentation for the Nord DisplayPort Receiver (DPRX) Clock Controller.

Signed-off-by: Taniya Das <taniya.das@xxxxxxxxxxxxxxxx>
---
.../bindings/clock/qcom,nord-dprxcc.yaml | 68 ++++++++++++++++++++++
include/dt-bindings/clock/qcom,nord-dprxcc.h | 27 +++++++++
2 files changed, 95 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,nord-dprxcc.yaml b/Documentation/devicetree/bindings/clock/qcom,nord-dprxcc.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..fbaaad1f3db3ff67589d6201ed0e25710c044614
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,nord-dprxcc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,nord-dprxcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm DPRX Clock & Reset Controller on Nord
+
+maintainers:
+ - Taniya Das <taniya.das@xxxxxxxxxxxxxxxx>
+
+description: |
+ Qualcomm dprx clock control module provides the clocks, resets and power
+ domains on Nord.
+
+ See also:
+ include/dt-bindings/clock/qcom,nord-dprxcc.h
+
+properties:
+ compatible:
+ enum:
+ - qcom,nord-dprxcc0
+ - qcom,nord-dprxcc1
+
+ clocks:
+ items:
+ - description: XO clock source
+ - description: DPRX CFG AHB clock from NWGCC
+ - description: Sleep clock source
+
+ power-domains:
+ description:
+ MMCX power domain.
+ maxItems: 1
+
+ required-opps:
+ description:
+ MMCX performance point.
+ maxItems: 1
+
+required:
+ - compatible
+ - clocks
+ - power-domains
+ - required-opps
+
+allOf:
+ - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,nord-nwgcc.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/power/qcom,rpmhpd.h>
+ clock-controller@a940000 {
+ compatible = "qcom,nord-dprxcc0";
+ reg = <0x0a940000 0xc000>;
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&nwgcc NW_GCC_DPRX0_CFG_AHB_CLK>,
+ <&sleep_clk>;
+ power-domains = <&rpmhpd RPMHPD_MMCX>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+...
diff --git a/include/dt-bindings/clock/qcom,nord-dprxcc.h b/include/dt-bindings/clock/qcom,nord-dprxcc.h
new file mode 100644
index 0000000000000000000000000000000000000000..62c26b58ebef04f05ea1dc77664c03aaad65baa4
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,nord-dprxcc.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_DPRX_CC_NORD_H
+#define _DT_BINDINGS_CLK_QCOM_DPRX_CC_NORD_H
+
+/* DPRX_CC clocks */
+#define DPRX_CC_AHB_CLK 0
+#define DPRX_CC_AUD_CLK 1
+#define DPRX_CC_AUDIO_CLK_SRC 2
+#define DPRX_CC_CORE_AHB_DIV_CLK_SRC 3
+#define DPRX_CC_CORE_AUD_DIV_CLK_SRC 4
+#define DPRX_CC_CORE_RCG0_CLK_SRC 5
+#define DPRX_CC_CORE_RCG2_CLK_SRC 6
+#define DPRX_CC_CORE_RCG3_CLK_SRC 7
+#define DPRX_CC_MDP_MEM_CLK 8
+#define DPRX_CC_MMCX_XO_CLK 9
+#define DPRX_CC_PLL0 10
+#define DPRX_CC_PLL1 11
+#define DPRX_CC_VID_MEM_CLK 12
+
+/* DPRX_CC resets */
+#define DPRX_CC_DPRX_BLK_BCR 0
+
+#endif

--
2.34.1