nvmem/layouts/u-boot%2Cenv.yaml

1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/nvmem/layouts/u-boot,env.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: U-Boot environment variables layout
10   U-Boot uses environment variables to store device parameters and
14   Data is stored using U-Boot specific formats (variant specific header and NUL
15   separated key-value pairs).
19   2. UBI volume
27   - Rafał Miłecki <rafal@milecki.pl>
32       - description: A standalone env data block
33         const: u-boot,env
34       - description: Two redundant blocks with active one flagged
35         const: u-boot,env-redundant-bool
36       - description: Two redundant blocks with active having higher counter
37         const: u-boot,env-redundant-count
38       - description: Broadcom's variant with custom header
55       "#nvmem-cell-cells":
60   - if:
65               pattern: "^partition@[0-9a-f]+$"
73   - |
75         compatible = "fixed-partitions";
76         #address-cells = <1>;
77         #size-cells = <1>;
81             label = "u-boot";
82             read-only;
86             compatible = "u-boot,env";
90                 #nvmem-cell-cells = <1>;
94   - |
96         compatible = "fixed-partitions";
97         #address-cells = <1>;
98         #size-cells = <1>;
102             compatible = "brcm,u-boot";
103             label = "u-boot";
105             partition-u-boot-env {
113   - |
116         label = "ubi";
117         compatible = "linux,ubi";
120             ubi-volume-u-boot-env {
123                 nvmem-layout {
124                     compatible = "u-boot,env";
127                         #nvmem-cell-cells = <1>;