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Message-Id: <20250618-clk-cdce6214-v5-1-9938b8ed0b94@pengutronix.de>
Date: Wed, 18 Jun 2025 11:21:12 +0200
From: Sascha Hauer <s.hauer@...gutronix.de>
To: 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>
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, kernel@...gutronix.de,
Alvin Šipraga <alsi@...g-olufsen.dk>,
Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH v5 1/4] dt-bindings: clock: add TI CDCE6214 binding
Add device tree binding for the CDCE6214, an Ultra-Low Power Clock
Generator With One PLL, Four Differential Outputs, Two Inputs, and
Internal EEPROM.
Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
---
.../devicetree/bindings/clock/ti,cdce6214.yaml | 60 ++++++++++++++++++++++
include/dt-bindings/clock/ti,cdce6214.h | 25 +++++++++
2 files changed, 85 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/ti,cdce6214.yaml b/Documentation/devicetree/bindings/clock/ti,cdce6214.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..0a952b634079ec74bbf1114d1beb9fd5ee8682ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/ti,cdce6214.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/ti,cdce6214.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI CDCE6214 programmable clock generator with PLL
+
+maintainers:
+ - Sascha Hauer <s.hauer@...gutronix.de>
+
+description: >
+ Ultra-Low Power Clock Generator With One PLL, Four Differential Outputs,
+ Two Inputs, and Internal EEPROM
+
+ https://www.ti.com/product/CDCE6214
+
+properties:
+ compatible:
+ enum:
+ - ti,cdce6214
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ minItems: 1
+ items:
+ - enum: [ priref, secref ]
+ - const: secref
+
+ '#clock-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ clock-generator@67 {
+ compatible = "ti,cdce6214";
+ reg = <0x67>;
+ #clock-cells = <1>;
+ clocks = <&clock_ref25m>;
+ clock-names = "secref";
+ };
+ };
diff --git a/include/dt-bindings/clock/ti,cdce6214.h b/include/dt-bindings/clock/ti,cdce6214.h
new file mode 100644
index 0000000000000000000000000000000000000000..ffe4c3cf83afdf5e58e31a5511ea998a5ec97878
--- /dev/null
+++ b/include/dt-bindings/clock/ti,cdce6214.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+#ifndef _DT_BINDINGS_CLK_TI_CDCE6214_H
+#define _DT_BINDINGS_CLK_TI_CDCE6214_H
+
+/*
+ * primary/secondary inputs. Not registered as clocks, but used
+ * as reg properties for the subnodes specifying the input properties
+ */
+#define CDCE6214_CLK_PRIREF 0
+#define CDCE6214_CLK_SECREF 1
+
+/*
+ * Clock indices for the clocks provided by the CDCE6214. Also used
+ * as reg properties for the subnodes specifying the output properties
+ */
+#define CDCE6214_CLK_OUT0 2
+#define CDCE6214_CLK_OUT1 3
+#define CDCE6214_CLK_OUT2 4
+#define CDCE6214_CLK_OUT3 5
+#define CDCE6214_CLK_OUT4 6
+#define CDCE6214_CLK_PLL 7
+#define CDCE6214_CLK_PSA 8
+#define CDCE6214_CLK_PSB 9
+
+#endif /* _DT_BINDINGS_CLK_TI_CDCE6214_H */
--
2.39.5
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