On Tue, Dec 21, 2021 at 10:28:23AM -0800, Jarrett Schultz wrote: > From: Jarrett Schultz <jaschultz@xxxxxxxxxxxxx> > > Introduce yaml for surface xbl driver. > > Signed-off-by: Jarrett Schultz <jaschultz@xxxxxxxxxxxxx> > > --- > > 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 | 64 +++++++++++++++++++ > MAINTAINERS | 7 ++ > 2 files changed, 71 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..df5a87a016f4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml > @@ -0,0 +1,64 @@ > +# 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 > + device is in manufacturing mode. Some of the information included > + in this imem section is - If this is onchip sram, we have a binding for that. That's not an MFD. > + * board_id > + * battery_present > + * hw_init_retries > + * is_customer_mode > + * is_act_mode > + * pmic_reset_reason > + * touch_fw_version > + * ocp_error_location nvmem binding doesn't work for describing these fields? > + See sysfs documentation for more information. sysfs? Not relevant to the binding. > + > +properties: > + compatible: > + const: simple-mfd > + > + reg: > + maxItems: 1 > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - ranges > + - address-cells > + - size-cells > + > +examples: > + - | > + / { > + compatible = "foo"; > + model = "foo"; No need to make this the root node with a fake compatible. > + #address-cells = <2>; > + #size-cells = <2>; > + > + imem@146bf000 { > + compatible = "simple-mfd"; > + reg = <0x0 0x146bf000 0x0 0x1000>; > + ranges = <0x0 0x0 0x146bf000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > + status = "okay"; Don't show status in examples. > + > + xbl@a94 { > + compatible = "microsoft,sm8150-surface-duo-xbl"; > + reg = <0xa94 0x100>; > + status = "okay"; > + }; > + }; > + }; > 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 > >
