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dt-bindings: sram: sunxi-sram: Add regulators child

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Some sunxi SoCs have in-package regulators controlled by a register in
the system control MMIO block. Allow a child node for this regulator
device in addition to SRAM child nodes.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240622150731.1105901-2-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Samuel Holland 2024-06-22 23:07:29 +08:00 committed by Chen-Yu Tsai
parent a40cf069ac
commit 3a6fb9025c
1 changed files with 28 additions and 0 deletions
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28
Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
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@ -56,6 +56,9 @@ properties:
ranges: true
patternProperties:
"^regulators@[0-9a-f]+$":
$ref: /schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#
"^sram@[a-f0-9]+":
$ref: /schemas/sram/sram.yaml#
unevaluatedProperties: false
@ -130,3 +133,28 @@ examples:
};
};
};
- |
syscon@3000000 {
compatible = "allwinner,sun20i-d1-system-control";
reg = <0x3000000 0x1000>;
ranges;
#address-cells = <1>;
#size-cells = <1>;
regulators@3000150 {
compatible = "allwinner,sun20i-d1-system-ldos";
reg = <0x3000150 0x4>;
reg_ldoa: ldoa {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
reg_ldob: ldob {
regulator-name = "vcc-dram";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
};
};
};