linux-kernel - [PATCH 08/21] dt-bindings: clock: adi,sc5xx-clocks: add bindings

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Message-Id: <20240912-test-v1-8-458fa57c8ccf@analog.com>
Date: Thu, 12 Sep 2024 19:24:53 +0100
From: Arturs Artamonovs via B4 Relay <devnull+arturs.artamonovs.analog.com@...nel.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Greg Malysa <greg.malysa@...esys.com>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Utsav Agarwal <Utsav.Agarwal@...log.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Thomas Gleixner <tglx@...utronix.de>, 
 Andi Shyti <andi.shyti@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>, Arnd Bergmann <arnd@...db.de>, 
 Olof Johansson <olof@...om.net>, soc@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org, 
 linux-serial@...r.kernel.org, 
 Arturs Artamonovs <arturs.artamonovs@...log.com>, adsp-linux@...log.com, 
 Arturs Artamonovs <Arturs.Artamonovs@...log.com>, 
 Nathan Barrett-Morrison <nathan.morrison@...esys.com>
Subject: [PATCH 08/21] dt-bindings: clock: adi,sc5xx-clocks: add bindings

From: Arturs Artamonovs <arturs.artamonovs@...log.com>

Add ADSP-SC5xx clock bindings.

Signed-off-by: Arturs Artamonovs <Arturs.Artamonovs@...log.com>
Co-developed-by: Nathan Barrett-Morrison <nathan.morrison@...esys.com>
Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@...esys.com>
Co-developed-by: Greg Malysa <greg.malysa@...esys.com>
Signed-off-by: Greg Malysa <greg.malysa@...esys.com>
---
 .../bindings/clock/adi,sc5xx-clocks.yaml           | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/adi,sc5xx-clocks.yaml b/Documentation/devicetree/bindings/clock/adi,sc5xx-clocks.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..a092ebdefdcf89a635cdcf1073921efd28a38386
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/adi,sc5xx-clocks.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/adi,sc5xx-clocks.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Clock Tree Drivers for Analog Devices ADSP-SC5XX Processors
+
+maintainers:
+  - Arturs Artamonovs <arturs.artamonovs@...log.com>
+  - Utsav Agarwal <Utsav.Agarwal@...log.com>
+
+description: |
+  These drivers read in the processors CDU (clock distribution unit)
+  and CGU (clock generation unit) values to determine various clock
+  rates
+
+properties:
+  compatible:
+    enum:
+      - adi,sc598-clocks # 64-Bit SC598 processor
+
+  '#clock-cells':
+    const: 1
+
+  reg:
+    minItems: 3
+    maxItems: 4
+
+  clocks:
+    description:
+      Specifies the CLKIN0 and CLKIN1 reference clock(s) from which the
+      output frequencies are derived via CDU+CGU
+    minItems: 2
+    maxItems: 2
+
+  clock-names:
+    description:
+      String reference names for CLKIN0 and CLKIN1
+    minItems: 2
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    clk3: clocks@...8d000 {
+        compatible = "adi,sc598-clocks";
+        reg = <0x3108d000 0x1000>,
+              <0x3108e000 0x1000>,
+              <0x3108f000 0x1000>,
+              <0x310a9000 0x1000>;
+        #clock-cells = <1>;
+        clocks = <&sys_clkin0>, <&sys_clkin1>;
+        clock-names = "sys_clkin0", "sys_clkin1";
+        status = "okay";
+    };
+

-- 
2.25.1