diff options
| -rw-r--r-- | Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml | 61 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/arm/juno-base.dtsi | 1 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/arm/juno-motherboard.dtsi | 3 |
3 files changed, 63 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml b/Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml new file mode 100644 index 000000000000..ce5f2e1ec1ea --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/arm,juno-fpga-apb-regs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Juno FPGA APB Registers + +maintainers: + - Sudeep Holla <[email protected]> + +properties: + compatible: + items: + - const: arm,juno-fpga-apb-regs + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + "^led@[0-9a-f]+,[0-9a-f]$": + $ref: /schemas/leds/register-bit-led.yaml# + +required: + - compatible + - reg + - ranges + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + syscon@10000 { + compatible = "arm,juno-fpga-apb-regs", "syscon", "simple-mfd"; + reg = <0x010000 0x1000>; + ranges = <0x0 0x10000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + led@8,0 { + compatible = "register-bit-led"; + reg = <0x08 0x04>; + offset = <0x08>; + mask = <0x01>; + label = "vexpress:0"; + linux,default-trigger = "heartbeat"; + default-state = "on"; + }; + }; diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi index 98ed2b329ed6..055764d0b9e5 100644 --- a/arch/arm64/boot/dts/arm/juno-base.dtsi +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi @@ -663,7 +663,6 @@ dma-coherent; /* The SMMU is only really of interest to bare-metal hypervisors */ /* iommus = <&smmu_gpu 0>; */ - status = "disabled"; }; sram: sram@2e000000 { diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi index be42932f7e21..6ca73f41408d 100644 --- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi +++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi @@ -158,7 +158,8 @@ }; apbregs@10000 { - compatible = "syscon", "simple-mfd"; + compatible = "arm,juno-fpga-apb-regs", + "syscon", "simple-mfd"; reg = <0x010000 0x1000>; ranges = <0x0 0x10000 0x1000>; #address-cells = <1>; |