linux-kernel - [PATCH v4 1/3] dt-bindings: spmi: Add Apple SPMI controller

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Message-Id: <20250409-spmi-v4-1-eb81ecfd1f64@gmail.com>
Date: Wed, 09 Apr 2025 23:52:12 +0200
From: Sasha Finkelstein via B4 Relay <devnull+fnkl.kernel.gmail.com@...nel.org>
To: Sven Peter <sven@...npeter.dev>, Janne Grunau <j@...nau.net>, 
 Alyssa Rosenzweig <alyssa@...enzweig.io>, Stephen Boyd <sboyd@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Neal Gompa <neal@...pa.dev>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Sasha Finkelstein <fnkl.kernel@...il.com>
Subject: [PATCH v4 1/3] dt-bindings: spmi: Add Apple SPMI controller

From: Sasha Finkelstein <fnkl.kernel@...il.com>

Add bindings for the SPMI controller present on most Apple SoCs

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Reviewed-by: Sven Peter <sven@...npeter.dev>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@...il.com>
---
 .../devicetree/bindings/spmi/apple,spmi.yaml       | 49 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 50 insertions(+)

diff --git a/Documentation/devicetree/bindings/spmi/apple,spmi.yaml b/Documentation/devicetree/bindings/spmi/apple,spmi.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..16bd7eb2b7af2c0b176f0e5b1970f4670af691da
--- /dev/null
+++ b/Documentation/devicetree/bindings/spmi/apple,spmi.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/apple,spmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple SPMI controller
+
+maintainers:
+  - Sasha Finkelstein <fnkl.kernel@...il.com>
+
+description: A SPMI controller present on most Apple SoCs
+
+allOf:
+  - $ref: spmi.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - apple,t8103-spmi
+          - apple,t6000-spmi
+          - apple,t8112-spmi
+      - const: apple,spmi
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/spmi/spmi.h>
+
+    spmi@...a1300 {
+        compatible = "apple,t6000-spmi", "apple,spmi";
+        reg = <0x920a1300 0x100>;
+        #address-cells = <2>;
+        #size-cells = <0>;
+
+        pmic@f {
+            reg = <0xf SPMI_USID>;
+            /* PMIC-specific properties */
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 96b82704950184bd71623ff41fc4df31e4c7fe87..5f348736ea0bbdb83fe541c872103ce4835de40b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2282,6 +2282,7 @@ F:	Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml
 F:	Documentation/devicetree/bindings/power/apple*
 F:	Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml
 F:	Documentation/devicetree/bindings/spi/apple,spi.yaml
+F:	Documentation/devicetree/bindings/spmi/apple,spmi.yaml
 F:	Documentation/devicetree/bindings/watchdog/apple,wdt.yaml
 F:	arch/arm64/boot/dts/apple/
 F:	drivers/bluetooth/hci_bcm4377.c

-- 
2.49.0