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bootcount: add a new driver with syscon as backend

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The driver will use a syscon regmap as backend and supports both
16 and 32 size value. The value will be stored in the CPU's endianness.

Signed-off-by: Nandor Han <nandor.han@vaisala.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Nandor Han
2021-06-10 15:40:38 +03:00
committed by Heiko Schocher
parent 7282b4352e
commit c50b21b705
7 changed files with 256 additions and 3 deletions
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14
arch/sandbox/dts/test.dts
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@@ -731,6 +731,20 @@
i2c-eeprom = <&bootcount_i2c>;
};
bootcount_4@0 {
compatible = "u-boot,bootcount-syscon";
syscon = <&syscon0>;
reg = <0x0 0x04>, <0x0 0x04>;
reg-names = "syscon_reg", "offset";
};
bootcount_2@0 {
compatible = "u-boot,bootcount-syscon";
syscon = <&syscon0>;
reg = <0x0 0x04>, <0x0 0x02> ;
reg-names = "syscon_reg", "offset";
};
adc: adc@0 {
compatible = "sandbox,adc";
#io-channel-cells = <1>;