There is a very simple mechanism to change and SDI's voltage which
consists of toggling some GPIOs. This scenario can be better handled
if we convert it to a GPIO regulator. This patch provides one which
can be read from Device Tree.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
ranges = <0 0x50000000 0x4000000>;
status = "disabled";
};
+
+ vmmci: regulator-gpio {
+ compatible = "regulator-gpio";
+
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2600000>;
+ regulator-name = "mmci-reg";
+ regulator-type = "voltage";
+
+ gpios = <&tc3589x_gpio 18 0x4>;
+ gpio-enable = <&tc3589x_gpio 17 0x4>;
+ states = <1800000 0x1
+ 2900000 0x0>;
+ };
};
};