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Diffstat (limited to 'arch/arm/dts/state-example.dtsi')
| -rw-r--r-- | arch/arm/dts/state-example.dtsi | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/arch/arm/dts/state-example.dtsi b/arch/arm/dts/state-example.dtsi new file mode 100644 index 0000000000..490ee7840b --- /dev/null +++ b/arch/arm/dts/state-example.dtsi @@ -0,0 +1,128 @@ +/* + * This code is released using a dual license strategy: BSD/GPL + * You can choose the licence that better fits your requirements. + * + * Released under the terms of 3-clause BSD License + * Released under the terms of GNU General Public License Version 2.0 + * + */ + +/* + * This contains an example how to use the state framework. This file + * can be directly included by imx6qdl-phytec-pbab01.dtsi, other boards + * need adjustments. Note that this example may use the partitions in + * other ways than intended by phytec, so before using this see below + * if it will overwrite some precious data. + */ + +#define STATE_VARS \ + #address-cells = <1>; \ + #size-cells = <1>; \ + mac { \ + reg = <0x0 0x6>; \ + type = "mac"; \ + }; \ + \ + number { \ + reg = <0x8 0x4>; \ + type = "uint32"; \ + }; \ + \ + name { \ + reg = <0xc 0x10>; \ + type = "string"; \ + }; \ + \ + fruit { \ + reg = <0x1c 0x4>; \ + type = "enum32"; \ + names = "apple", "pear", "banana"; \ + } + +/ { + aliases { + state_nor = &state_nor; + state_nand = &state_nand; + state_sd = &state_sd; + state_eeprom = &state_eeprom; + }; + + state_nor: state_nor { + magic = <0x512890a0>; + compatible = "barebox,state"; + backend-type = "raw"; + backend = <&backend_state_nor>; + backend-storage-type = "circular"; + + STATE_VARS; + }; + + state_nand: state_nand { + magic = <0xab67421f>; + compatible = "barebox,state"; + backend-type = "raw"; + backend = <&backend_state_nand>; + backend-storage-type = "circular"; + + STATE_VARS; + }; + + state_sd: state_sd { + magic = <0xef784236>; + compatible = "barebox,state"; + backend-type = "raw"; + backend = <&backend_state_usdhc>; + backend-stridesize = <1024>; + + STATE_VARS; + }; + + state_eeprom: state_eeprom { + magic = <0x344682db>; + compatible = "barebox,state"; + backend-type = "raw"; + backend = <&backend_state_eeprom>; + backend-stridesize = <64>; + + STATE_VARS; + }; + +}; + +&ecspi3 { + flash@0 { + backend_state_nor: partition@120000 { + }; + }; +}; + +&gpmi { + backend_state_nand: partition@500000 { + }; +}; + +&i2c1 { + eeprom@50 { + partitions { + compatible = "fixed-partitions"; + #size-cells = <1>; + #address-cells = <1>; + backend_state_eeprom: state@400 { + reg = <0x400 0x400>; + label = "state-eeprom"; + }; + }; + }; +}; + +&usdhc2 { + partitions { + compatible = "fixed-partitions"; + #size-cells = <1>; + #address-cells = <1>; + backend_state_usdhc: state@0x80000 { + reg = <0x80000 0x80000>; + label = "state-sd"; + }; + }; +};
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