Add an devicetree bindings for Samsung secure monitor call service. This driver is used for SoCs produced by Samsung Foundry to provide SMC call. This patch supports register read/write request to secure monitor. Also, SMC call request which uses shared memory to exchange the data between kernel and secure monitor. Signed-off-by: Dongjin Yang <dj76.yang@xxxxxxxxxxx> --- .../bindings/firmware/samsung,smccc-svc.yaml | 31 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml diff --git a/Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml b/Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml new file mode 100644 index 000000000000..427c42a6cd75 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml @@ -0,0 +1,31 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/samsung,smccc-svc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Secure Monitor call service + +maintainers: + - Jesper Nilsson <jesper.nilsson@xxxxxxxx> + +description: | + The file documents device tree bindings of Samsung secure monitor + call service. + +properties: + compatible: + const: samsung,smccc-svc + +required: + - compatible + +additionalProperties: false + +examples: + - | + + samsung-svc { + compatible = "samsung,smccc-svc"; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 20133dcd8ce9..6763746c349f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1862,6 +1862,7 @@ M: Jesper Nilsson <jesper.nilsson@xxxxxxxx> 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/pinctrl/axis,artpec6-pinctrl.txt F: arch/arm/boot/dts/artpec6* F: arch/arm/mach-artpec -- 2.9.5