[PATCH v2 1/2] dt-bindings: nvmem: rockchip-efuse: add optional vqps supply
Hrushiraj Gandhi <[email protected]>
| Newsgroups | org.infradead.lists.linux-rockchip,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
Add an optional vqps-supply property for the eFuse programming supply voltage (VQPS). Per RK3399 TRM section 21.6.1, table 21-3, VQPS must be 0V during reads and 1.8V to 1.98V during A_PGM mode writes. The presence of this supply declares that the board hardware supports software-initiated eFuse programming and provides the requisite programming supply. Signed-off-by: Hrushiraj Gandhi <[email protected]> --- Documentation/devicetree/bindings/nvmem/rockchip-efuse.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.yaml b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.yaml index b80fd8d1ae5b..25f209fd881e 100644 --- a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.yaml +++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.yaml @@ -27,6 +27,11 @@ properties: # Deprecated: old compatible value for rk3066a, rk3188 and rk3288 - rockchip,rockchip-efuse + vqps-supply: + description: + Supply for the eFuse programming voltage (VQPS), required only + on boards where software-initiated OTP programming is intended. + reg: description: Registers location and eFuse size. -- 2.47.3 _______________________________________________ Linux-rockchip mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-rockchip