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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-02 11:41:35 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-02 11:41:35 -0800 |
commit | 2c97b5ae83dca56718774e7b4bf9640f05d11867 (patch) | |
tree | 13488f899e4bc23163882aa8292c99ea394638cb /Documentation/devicetree/bindings/mfd/syscon.yaml | |
parent | 8328dd2f394e48a010383af176bf55ba4be79da0 (diff) | |
parent | a8de1304b7df30e3a14f2a8b9709bb4ff31a0385 (diff) | |
download | linux-2c97b5ae83dca56718774e7b4bf9640f05d11867.tar.gz |
Merge tag 'devicetree-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree updates from Rob Herring: - DT schemas for PWM, syscon, power domains, SRAM, syscon-reboot, syscon-poweroff, renesas-irqc, simple-pm-bus, renesas-bsc, pwm-rcar, Renesas tpu, at24 eeprom, rtc-sh, Allwinner PS/2, sharp,ld-d5116z01b panel, Arm SMMU, max77650, Meson CEC, Amlogic canvas and DWC3 glue, Allwinner A10 mUSB and CAN, TI Davinci MDIO, QCom QCS404 interconnect, Unisoc/Spreadtrum SoCs and UART - Convert a bunch of Samsung bindings to DT schema - Convert a bunch of ST stm32 bindings to DT schema - Realtek and Exynos additions to Arm Mali bindings - Fix schema errors in RiscV CPU schema - Various schema fixes from improved meta-schema checks - Improve the handling of 'dma-ranges' and in particular fix DMA mask setup on PCI bridges - Fix a memory leak in add_changeset_property() and DT unit tests. - Several documentation improvements for schema validation - Rework build rules to improve schema validation errors - Color output for dtx_diff * tag 'devicetree-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (138 commits) libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h dt-bindings: arm: Remove leftover axentia.txt of: unittest: fix memory leak in attach_node_and_children of: overlay: add_changeset_property() memory leak dt-bindings: interrupt-controller: arm,gic-v3: Add missing type to interrupt-partition-* nodes dt-bindings: firmware: ixp4xx: Drop redundant minItems/maxItems dt-bindings: power: Rename back power_domain.txt bindings to fix references dt-bindings: i2c: stm32: Migrate i2c-stm32 documentation to yaml dt-bindings: mtd: Convert stm32 fmc2-nand bindings to json-schema dt-bindings: remoteproc: convert stm32-rproc to json-schema dt-bindings: mailbox: convert stm32-ipcc to json-schema dt-bindings: mfd: Convert stm32 low power timers bindings to json-schema dt-bindings: interrupt-controller: Convert stm32-exti to json-schema dt-bindings: crypto: Convert stm32 HASH bindings to json-schema dt-bindings: rng: Convert stm32 RNG bindings to json-schema dt-bindings: pwm: Convert Samsung PWM bindings to json-schema dt-bindings: pwm: Convert PWM bindings to json-schema dt-bindings: serial: Add a new compatible string for SC9863A dt-bindings: serial: Convert sprd-uart to json-schema dt-bindings: arm: Add bindings for Unisoc SC9863A ...
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/syscon.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/syscon.yaml | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml new file mode 100644 index 000000000000..39375e4313d2 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/syscon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: System Controller Registers R/W Device Tree Bindings + +description: | + System controller node represents a register region containing a set + of miscellaneous registers. The registers are not cohesive enough to + represent as any specific type of device. The typical use-case is + for some other node's driver, or platform-specific code, to acquire + a reference to the syscon node (e.g. by phandle, node path, or + search using a specific compatible value), interrogate the node (or + associated OS driver) to determine the location of the registers, + and access the registers directly. + +maintainers: + - Lee Jones <lee.jones@linaro.org> + +select: + properties: + compatible: + contains: + enum: + - syscon + + required: + - compatible + +properties: + compatible: + anyOf: + - items: + - enum: + - allwinner,sun8i-a83t-system-controller + - allwinner,sun8i-h3-system-controller + - allwinner,sun8i-v3s-system-controller + - allwinner,sun50i-a64-system-controller + + - const: syscon + + - contains: + const: syscon + additionalItems: true + + reg: + maxItems: 1 + + reg-io-width: + description: | + The size (in bytes) of the IO accesses that should be performed + on the device. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [ 1, 2, 4, 8 ] + + hwlocks: + maxItems: 1 + description: + Reference to a phandle of a hardware spinlock provider node. + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + syscon: syscon@1c00000 { + compatible = "allwinner,sun8i-h3-system-controller", "syscon"; + reg = <0x01c00000 0x1000>; + }; + + - | + gpr: iomuxc-gpr@20e0000 { + compatible = "fsl,imx6q-iomuxc-gpr", "syscon"; + reg = <0x020e0000 0x38>; + hwlocks = <&hwlock1 1>; + }; + +... |