[PATCH RESEND v4 1/4] dt-bindings: platform: microsoft: Document surface xbl
From: Jarrett Schultz <hidden>
Date: 2021-12-21 18:28:37
Also in:
linux-arm-msm, lkml, platform-driver-x86
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Jarrett Schultz <redacted> Introduce yaml for surface xbl driver. Signed-off-by: Jarrett Schultz <redacted> --- 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@microsoft.com> + +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 - + * 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: simple-mfd + + reg: + maxItems: 1 + +additionalProperties: false + +required: + - compatible + - reg + - ranges + - address-cells + - size-cells + +examples: + - | + / { + compatible = "foo"; + model = "foo"; + #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"; + + 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@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
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2.25.1