linux-kernel - [PATCH 06/10] dt-bindings: clock: Add documentation for Marvell PXA1908

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Message-ID: <20230721210042.21535-7-duje.mihanovic@skole.hr>
Date:   Fri, 21 Jul 2023 22:37:48 +0200
From:   Duje MihanoviÄ‡ <duje.mihanovic@...le.hr>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        ‡ <duje.mihanovic@...le.hr>,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        afaerber@...e.com
Subject: [PATCH 06/10] dt-bindings: clock: Add documentation for Marvell PXA1908

Add dt bindings and documentation for Marvell PXA1908's clock controller
blocks.

Signed-off-by: Duje MihanoviÄ‡ <duje.mihanovic@...le.hr>
---
 .../bindings/clock/marvell,pxa1908.yaml       | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml

diff --git a/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml b/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml
new file mode 100644
index 000000000000..3fa6f00a26f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/marvell,pxa1908.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/marvell,pxa1908.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell PXA1908 Clock Controllers
+
+maintainers:
+  - Duje MihanoviÄ‡ <duje.mihanovic@...le.hr>
+
+description: |
+  The PXA1908 clock subsystem generates and supplies clock to various
+  controllers within the PXA1908 SoC. The PXA1908 contains numerous clock
+  controller blocks, with the ones currently supported being APBC, APBCP, MPMU
+  and APMU roughly corresponding to internal buses.
+
+  Each clock is assigned an identifier and client nodes use this identifier to
+  specify the clock which they consume.
+
+  All these identifiers could be found in <include/dt-bindings/marvell,pxa1908.h>.
+
+properties:
+  compatible:
+    enum:
+      - marvell,pxa1908-apbc
+      - marvell,pxa1908-apbcp
+      - marvell,pxa1908-mpmu
+      - marvell,pxa1908-apmu
+  reg:
+    maxItems: 1
+    description: |
+      Physical address of the clock controller and length of the memory mapped
+      region.
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  # APMU block:
+  - |
+    clock-controller@...82800 {
+      compatible = "marvell,pxa1908-apmu";
+      reg = <0xd4282800 0x400>;
+      #clock-cells = <1>;
+    };
-- 
2.41.0