From: Jarrett Schultz <jaschultz@xxxxxxxxxxxxx> Introduce yaml for surface xbl driver. Signed-off-by: Jarrett Schultz <jaschultz@xxxxxxxxxxxxx> --- Changed in v5: - Updated description - Added child node for imem - Simplified example --- Changes in v4: - Addressed small formatting changes - Removed unnecessary lines --- Changes in v3: - Updated description to only pertain to the hardware - Updated the required field to properly reflect the binding - Removed the first example - Fixed the size of the reg field in the second example --- Changes in v2: - Removed json-schema dependence - Elaborated on description of driver - Updated example --- .../platform/microsoft/surface-xbl.yaml | 70 +++++++++++++++++++ MAINTAINERS | 7 ++ 2 files changed, 77 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..648476670bbd --- /dev/null +++ b/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml @@ -0,0 +1,70 @@ +# 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 <jaschultz@xxxxxxxxxxxxx> + +description: | + Defined to expose information that is used during production when + the device is in manufacturing mode. Some of the information included + in the imem section is - + * board_id + * battery_present + * hw_init_retries + * is_customer_mode + * is_act_mode + * pmic_reset_reason + * touch_fw_version + * ocp_error_location + +properties: + compatible: + const: simple-mfd + + reg: + maxItems: 1 + + child-node: + description: A description of the xbl space within imem + + type: object + + properties: + compatible: + const: microsoft,sm8150-surface-duo-xbl + + reg: + maxItems: 1 + + required: + - compatible + - reg + +additionalProperties: false + +required: + - compatible + - reg + - ranges + - address-cells + - size-cells + +examples: + - | + imem@146bf000 { + compatible = "simple-mfd"; + reg = <0x146bf000 0x1000>; + ranges = <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 13f9a84a617e..5d0ca2a98b57 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12649,6 +12649,13 @@ 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@xxxxxxxxxxxxx> +L: linux-arm-msm@xxxxxxxxxxxxxxx +L: platform-driver-x86@xxxxxxxxxxxxxxx +S: Supported +F: Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml + MICROSOFT SURFACE GPE LID SUPPORT DRIVER M: Maximilian Luz <luzmaximilian@xxxxxxxxx> L: platform-driver-x86@xxxxxxxxxxxxxxx -- 2.25.1
