Add an devicetree binding for Samsung system manager. This driver is used for SoCs produced by Samsung Foundry to provide Samsung sysmgr API. The read/write request of sysmgr is delivered to Samsung secure monitor call. Signed-off-by: Dongjin Yang <dj76.yang@xxxxxxxxxxx> --- .../devicetree/bindings/mfd/samsung,sys-mgr.yaml | 42 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/samsung,sys-mgr.yaml diff --git a/Documentation/devicetree/bindings/mfd/samsung,sys-mgr.yaml b/Documentation/devicetree/bindings/mfd/samsung,sys-mgr.yaml new file mode 100644 index 000000000000..83b9d73a5420 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/samsung,sys-mgr.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/samsung,sys-mgr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung System Manager + +maintainers: + - Jesper Nilsson <jesper.nilsson@xxxxxxxx> + +description: | + The file documents device tree bindings of Samsung system manager. + +properties: + compatible: + enum: + - samsung,sys-mgr + - samsung,sys-mgr-smccc + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + + syscon_imem@10020000 { + compatible = "samsung,sys-mgr"; + reg = <0x0 0x10020000 0x0 0x1000>; + }; + + syscon_fsys: syscon@16c20000 { + compatible = "samsung,sys-mgr-smccc"; + reg = <0x0 0x16c20000 0x0 0x1000>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index d173043ffb46..55cb8901ccdc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1863,6 +1863,7 @@ M: Lars Persson <lars.persson@xxxxxxxx> L: linux-arm-kernel@xxxxxxxx S: Maintained F: Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml +F: Documentation/devicetree/bindings/mfd/samsung,sys-mgr.yaml F: Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt F: arch/arm/boot/dts/artpec6* F: arch/arm/mach-artpec -- 2.9.5