[PATCH] dt-bindings: greybus: Document google,arche-platform

From: Soham Kute

Date: Sun Mar 01 2026 - 00:04:07 EST


Document the Google Arche platform which enables the Unipro
link between the application processor and the SVC in a
Greybus-based system.

Signed-off-by: Soham Kute <officialsohamkute@xxxxxxxxx>
---
.../greybus/google,arche-platform.yaml | 71 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/greybus/google,arche-platform.yaml

diff --git a/Documentation/devicetree/bindings/greybus/google,arche-platform.yaml b/Documentation/devicetree/bindings/greybus/google,arche-platform.yaml
new file mode 100644
index 000000000000..6e176efc264a
--- /dev/null
+++ b/Documentation/devicetree/bindings/greybus/google,arche-platform.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/greybus/google,arche-platform.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google Arche Platform
+
+maintainers:
+ - Vaibhav Hiremath <hvaibhav.linux@xxxxxxxxx>
+
+description:
+ The Arche platform driver enables the Unipro link between the
+ application processor and the SVC (Supervisory Controller) in
+ a Greybus-based system.
+
+properties:
+ compatible:
+ const: google,arche-platform
+
+ svc,reset-gpios:
+ description: GPIO used to reset the SVC
+ maxItems: 1
+
+ svc,sysboot-gpios:
+ description: GPIO used for SVC sysboot signal
+ maxItems: 1
+
+ svc,refclk-req-gpios:
+ description: GPIO used to request the SVC reference clock
+ maxItems: 1
+
+ svc,wake-detect-gpios:
+ description: Bidirectional GPIO for wake/detect signal between AP and SVC
+ maxItems: 1
+
+ clocks:
+ description: SVC reference clock
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: svc_ref_clk
+
+ svc,reset-active-high:
+ description: Present if the SVC reset GPIO is active high
+ type: boolean
+
+additionalProperties: false
+
+required:
+ - compatible
+ - svc,reset-gpios
+ - svc,sysboot-gpios
+ - svc,refclk-req-gpios
+ - svc,wake-detect-gpios
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ arche-platform {
+ compatible = "google,arche-platform";
+ svc,reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+ svc,sysboot-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+ svc,refclk-req-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
+ svc,wake-detect-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
+ clocks = <&svc_ref_clk>;
+ clock-names = "svc_ref_clk";
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index e08767323763..46cb6825f4d6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10886,6 +10886,7 @@ S: Maintained
F: drivers/staging/greybus/arche-apb-ctrl.c
F: drivers/staging/greybus/arche-platform.c
F: drivers/staging/greybus/arche_platform.h
+F: Documentation/devicetree/bindings/greybus/google,arche-platform.yaml

GREYBUS SDIO/GPIO/SPI PROTOCOLS DRIVERS
M: Rui Miguel Silva <rmfrfs@xxxxxxxxx>
--
2.34.1