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Subject[PATCH v2 1/5] dt-bindings: platform: microsoft: Document surface xbl
Date
Introduce yaml for surface xbl driver.

Signed-off-by: Jarrett Schultz <jaschultz@microsoft.com>

---

Changes in v2:
- Removed json-schema dependence
- Elaborated on description of driver
- Updated example

---

.../platform/microsoft/surface-xbl.yaml | 57 +++++++++++++++++++
MAINTAINERS | 7 +++
2 files changed, 64 insertions(+)
create mode 100644 Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml

diff --git a/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml b/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
new file mode 100644
index 000000000000..09f806f373bd
--- /dev/null
+++ b/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/platform/microsoft/surface-xbl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Surface Extensible Bootloader for Microsoft Surface Duo
+
+maintainers:
+ - Jarrett Schultz <jaschultzMS@gmail.com>
+
+description: |
+ Exposes the following device information to user space via sysfs -
+ * board_id
+ * battery_present
+ * hw_init_retries
+ * is_customer_mode
+ * is_act_mode
+ * pmic_reset_reason
+ * touch_fw_version
+ * ocp_error_location
+ See sysfs documentation for more information.
+
+properties:
+ compatible:
+ const: microsoft,sm8150-surface-duo-xbl
+
+ reg:
+ maxItems: 1
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+examples:
+ - |
+ xbl@146bfa94 {
+ compatible = "microsoft,sm8150-surface-duo-xbl";
+ reg = <0x00 0x146bfa94 0x00 0x100>;
+ };
+ - |
+ imem@146bf000 {
+ compatible = "simple-mfd";
+ reg = <0x0 0x146bf000 0x0 0x1000>;
+ ranges = <0x0 0x0 0x146bf000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ xbl@a94 {
+ compatible = "microsoft,sm8150-surface-duo-xbl";
+ reg = <0xa94 0x100>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index eeb4c70b3d5b..8643546f8fab 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12423,6 +12423,13 @@ F: Documentation/driver-api/surface_aggregator/clients/dtx.rst
F: drivers/platform/surface/surface_dtx.c
F: include/uapi/linux/surface_aggregator/dtx.h

+MICROSOFT SURFACE DUO XBL DRIVER
+M: Jarrett Schultz <jaschultz@microsoft.com>
+L: linux-arm-msm@vger.kernel.org
+L: platform-driver-x86@vger.kernel.org
+S: Supported
+F: Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
+
MICROSOFT SURFACE GPE LID SUPPORT DRIVER
M: Maximilian Luz <luzmaximilian@gmail.com>
L: platform-driver-x86@vger.kernel.org
--
2.25.1
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