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Diffstat (limited to 'dts/Bindings/nvmem/qcom,spmi-sdam.yaml')
| -rw-r--r-- | dts/Bindings/nvmem/qcom,spmi-sdam.yaml | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dts/Bindings/nvmem/qcom,spmi-sdam.yaml b/dts/Bindings/nvmem/qcom,spmi-sdam.yaml new file mode 100644 index 0000000000..7bbd4e6204 --- /dev/null +++ b/dts/Bindings/nvmem/qcom,spmi-sdam.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/qcom,spmi-sdam.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. SPMI SDAM DT bindings + +maintainers: + - Shyam Kumar Thella <sthella@codeaurora.org> + +description: | + The SDAM provides scratch register space for the PMIC clients. This + memory can be used by software to store information or communicate + to/from the PBUS. + +allOf: + - $ref: "nvmem.yaml#" + +properties: + compatible: + enum: + - qcom,spmi-sdam + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +required: + - compatible + - reg + - ranges + +patternProperties: + "^.*@[0-9a-f]+$": + type: object + + properties: + reg: + maxItems: 1 + description: + Offset and size in bytes within the storage device. + + bits: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 1 + items: + items: + - minimum: 0 + maximum: 7 + description: + Offset in bit within the address range specified by reg. + - minimum: 1 + description: + Size in bit within the address range specified by reg. + + required: + - reg + + additionalProperties: false + +examples: + - | + sdam_1: nvram@b000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "qcom,spmi-sdam"; + reg = <0xb000 0x100>; + ranges = <0 0xb000 0x100>; + + /* Data cells */ + restart_reason: restart@50 { + reg = <0x50 0x1>; + bits = <6 2>; + }; + }; +... |