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dts文件问题
发表于 2015-11-9 10:54:43
浏览:9416
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- <div class="blockcode"><blockquote> wireless-wlan {
- compatible = "wlan-platdata";
- /* wifi_chip_type - wifi chip define
- * bcmwifi ==> like ap6xxx, rk90x;
- * rtkwifi ==> like rtl8188xx, rtl8723xx,rtl8812auv;
- * esp8089 ==> esp8089;
- * other ==> for other wifi;
- */
- wifi_chip_type = "bcmwifi";
- sdio_vref = <1800>; //1800mv or 3300mv
- //keep_wifi_power_on;
- //power_ctrl_by_pmu;
- power_pmu_regulator = "act_ldo3";
- power_pmu_enable_level = <1>; //1->HIGH, 0->LOW
- //vref_ctrl_enable;
- //vref_ctrl_gpio = <&gpio0 GPIO_A2 GPIO_ACTIVE_HIGH>;
- vref_pmu_regulator = "act_ldo3";
- vref_pmu_enable_level = <1>; //1->HIGH, 0->LOW
- WIFI,poweren_gpio = <&gpio4 GPIO_D4 GPIO_ACTIVE_HIGH>;
- WIFI,host_wake_irq = <&gpio4 GPIO_D6 GPIO_ACTIVE_HIGH>;
- //WIFI,reset_gpio = <&gpio0 GPIO_A2 GPIO_ACTIVE_LOW>;
- status = "okay";
- };
复制代码
ldo3_reg: regulator@6 { regulator-name= "act_ldo3"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; }; power_pmu_regulator = "act_ldo3";vref_pmu_regulator = "act_ldo3";
为什么这两个regulator要选择act_ldo3? wifi不是需要1.8V吗?
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