linux-kernel - [RFC PATCH v2 1/9] dt-bindings: mfd: syscon document the control-scb syscon on PolarFire SoC

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Message-ID: <20250321-idiom-remedial-daeddab1dcd8@spud>
Date: Fri, 21 Mar 2025 17:22:34 +0000
From: Conor Dooley <conor@...nel.org>
To: Stephen Boyd <sboyd@...nel.org>
Cc: conor@...nel.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	pierre-henry.moussay@...rochip.com,
	valentina.fernandezalanis@...rochip.com,
	Michael Turquette <mturquette@...libre.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Lee Jones <lee@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	linux-riscv@...ts.infradead.org,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2 1/9] dt-bindings: mfd: syscon document the control-scb syscon on PolarFire SoC

From: Conor Dooley <conor.dooley@...rochip.com>

The "control-scb" region, contains the "tvs" temperature and voltage
sensors and the control/status registers for the system controller's
mailbox. The mailbox has a dedicated node, so there's no need for a
child node describing it, looking the syscon up by compatible is
sufficient.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
v2:
add the control-scb syscon here too, since it doesn't have any children.
---
 Documentation/devicetree/bindings/mfd/syscon.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 4d67ff26d445..777a7a5b22dc 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -88,6 +88,7 @@ select:
           - mediatek,mt8173-pctl-a-syscfg
           - mediatek,mt8365-syscfg
           - microchip,lan966x-cpu-syscon
+          - microchip,mpfs-control-scb
           - microchip,mpfs-sysreg-scb
           - microchip,sam9x60-sfr
           - microchip,sama7g5-ddr3phy
@@ -187,6 +188,7 @@ properties:
           - mediatek,mt8173-pctl-a-syscfg
           - mediatek,mt8365-syscfg
           - microchip,lan966x-cpu-syscon
+          - microchip,mpfs-control-scb
           - microchip,mpfs-sysreg-scb
           - microchip,sam9x60-sfr
           - microchip,sama7g5-ddr3phy
-- 
2.45.2