diff options
Diffstat (limited to 'dts/Bindings/arm/amlogic')
-rw-r--r-- | dts/Bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml | 6 | ||||
-rw-r--r-- | dts/Bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml | 42 |
2 files changed, 45 insertions, 3 deletions
diff --git a/dts/Bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml b/dts/Bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml index 6cc74523eb..7dff32f373 100644 --- a/dts/Bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml +++ b/dts/Bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml @@ -2,13 +2,13 @@ # Copyright 2019 BayLibre, SAS %YAML 1.2 --- -$id: "http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Amlogic Meson Firmware registers Interface maintainers: - - Neil Armstrong <narmstrong@baylibre.com> + - Neil Armstrong <neil.armstrong@linaro.org> description: | The Meson SoCs have a register bank with status and data shared with the diff --git a/dts/Bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml b/dts/Bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml new file mode 100644 index 0000000000..09b27e98d4 --- /dev/null +++ b/dts/Bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/amlogic/amlogic,meson-mx-secbus2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson8/Meson8b/Meson8m2 SECBUS2 register interface + +maintainers: + - Martin Blumenstingl <martin.blumenstingl@googlemail.com> + +description: | + The Meson8/Meson8b/Meson8m2 SoCs have a register bank called SECBUS2 which + contains registers for various IP blocks such as pin-controller bits for + the BSD_EN and TEST_N GPIOs as well as some AO ARC core control bits. + The registers can be accessed directly when not running in "secure mode". + When "secure mode" is enabled then these registers have to be accessed + through secure monitor calls. + +properties: + compatible: + items: + - enum: + - amlogic,meson8-secbus2 + - amlogic,meson8b-secbus2 + - const: syscon + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + secbus2: system-controller@4000 { + compatible = "amlogic,meson8-secbus2", "syscon"; + reg = <0x4000 0x2000>; + }; |