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Message-Id: <20240626-dt-bindings-mfd-syscon-split-v3-4-3409903bb99b@linaro.org>
Date: Wed, 26 Jun 2024 12:09:13 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Orson Zhai <orsonzhai@...il.com>,
Baolin Wang <baolin.wang@...ux.alibaba.com>,
Chunyan Zhang <zhang.lyra@...il.com>, Jacky Huang <ychuang3@...oton.com>,
Shan-Chun Hung <schung@...oton.com>,
Khuong Dinh <khuong@...amperecomputing.com>, Lee Jones <lee@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Chuanhua Lei <lchuanhua@...linear.com>,
Rahul Tanwar <rtanwar@...linear.com>,
Lars Povlsen <lars.povlsen@...rochip.com>,
Steen Hegelund <Steen.Hegelund@...rochip.com>,
Daniel Machon <daniel.machon@...rochip.com>, UNGLinuxDriver@...rochip.com,
Nishanth Menon <nm@...com>, Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Jiaxun Yang <jiaxun.yang@...goat.com>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 4/7] dt-bindings: soc: microchip: sparx5-cpu-syscon:
Move to dedicated schema
microchip,sparx5-cpu-syscon is not a simple syscon device - it has
children and implements simple-mfd compatible - thus it should be fully
documented in its own binding.
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Context might depend on patch in Lee's MFD tree:
https://lore.kernel.org/all/171828959006.2643902.8308227314531523435.b4-ty@kernel.org/
and also further patches here depend on this one.
---
Documentation/devicetree/bindings/mfd/syscon.yaml | 1 -
.../soc/microchip/microchip,sparx5-cpu-syscon.yaml | 49 ++++++++++++++++++++++
2 files changed, 49 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index b9bf5bc05e92..abd3debe5faf 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -95,7 +95,6 @@ properties:
- microchip,lan966x-cpu-syscon
- microchip,sam9x60-sfr
- microchip,sama7g5-ddr3phy
- - microchip,sparx5-cpu-syscon
- mscc,ocelot-cpu-syscon
- mstar,msc313-pmsleep
- nuvoton,ma35d1-sys
diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,sparx5-cpu-syscon.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,sparx5-cpu-syscon.yaml
new file mode 100644
index 000000000000..1f0b542d2296
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/microchip/microchip,sparx5-cpu-syscon.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/microchip/microchip,sparx5-cpu-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Sparx5 CPU Syscon
+
+maintainers:
+ - Lars Povlsen <lars.povlsen@...rochip.com>
+
+properties:
+ compatible:
+ items:
+ - const: microchip,sparx5-cpu-syscon
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ mux-controller:
+ $ref: /schemas/mux/reg-mux.yaml#
+
+required:
+ - compatible
+ - reg
+ - mux-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ syscon@...000000 {
+ compatible = "microchip,sparx5-cpu-syscon", "syscon",
+ "simple-mfd";
+ reg = <0x6 0x00000000 0xd0>;
+
+ mux: mux-controller {
+ compatible = "mmio-mux";
+ #mux-control-cells = <1>;
+ mux-reg-masks = <0x88 0xf0>;
+ };
+ };
+ };
--
2.43.0
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