RK3288 Android7.1 PMU RK808 调试
平台:Rockchip
CPU:RK3288
PMU:RK808-B
SDIO
SDIO是在SD内存卡接口的基础上发展起来的外设接口,SDIO接口兼容以前的SD内存卡,并且可以连接SDIO接口的设备,目前根据SDIO协议的SPEC,SDIO接口支持的设备总类有蓝牙,网卡,电视卡等
SDMMC
经过我在百度上面的苦苦搜寻,关于SDMMC的总结如下:没有SDMMC卡或者是SDMMC接口,资料上出现SDMMC可能要表达的意思是SD/MMC,或者SDMMC是数字安全记忆卡(Secure Digital Memory Card)的简称,即SDMMC就是SD卡
一.RK808
1.kernel\arch\arm\boot\dts\rk3288-tb_zk_r32f.dts
/dts-v1/; #include "rk3288-evb.dtsi" #include "rk3288-android.dtsi" / { compatible = "rockchip,rk3288-evb-android-rk808-edp", "rockchip,rk3288";
rk808
&i2c0 { clock-frequency = <400000>; hym8563: hym8563@51 { compatible = "haoyu,hym8563"; reg = <0x51>; interrupt-parent = <&gpio0>; interrupts = <6 IRQ_TYPE_EDGE_FALLING>; pinctrl-names = "default"; pinctrl-0 = <&rtc_int>; clock-frequency = <32768>; #clock-cells = <0>; clock-output-names = "xin32k_1"; }; rk808: pmic@1b { compatible = "rockchip,rk808"; reg = <0x1b>; interrupt-parent = <&gpio0>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; pinctrl-0 = <&pmic_int &global_pwroff>; rockchip,system-power-controller; wakeup-source; #clock-cells = <1>; clock-output-names = "rk808-clkout1", "rk808-clkout2"; pmu_en_flag = <&gpio7 4 GPIO_ACTIVE_HIGH>; red_led_gpio = <&gpio8 3 GPIO_ACTIVE_HIGH>; blue_led_gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; extern_drv_gpio=<&gpio7 2 GPIO_ACTIVE_HIGH>; hub_rst_gpio= <&gpio2 2 GPIO_ACTIVE_HIGH>; vcc1-supply = <&vcc_sys>; vcc2-supply = <&vcc_sys>; vcc3-supply = <&vcc_sys>; vcc4-supply = <&vcc_sys>; vcc6-supply = <&vcc_sys>; vcc8-supply = <&vcc_io>; vcc9-supply = <&vcc_io>; vcc12-supply = <&vcc_io>; vddio-supply = <&vcc_io>; regulators { vdd_cpu: DCDC_REG1 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <750000>; regulator-max-microvolt = <1400000>; regulator-name = "vdd_arm"; regulator-state-mem { regulator-off-in-suspend; }; }; vdd_gpu: DCDC_REG2 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <850000>; regulator-max-microvolt = <1250000>; regulator-name = "vdd_gpu"; regulator-ramp-delay = <6000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_ddr: DCDC_REG3 { regulator-always-on; regulator-boot-on; regulator-name = "vcc_ddr"; regulator-state-mem { regulator-on-in-suspend; }; }; vcc_io: DCDC_REG4 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_io"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vcc_tp: LDO_REG1 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_tp"; regulator-state-mem { regulator-off-in-suspend; }; }; vcca_codec: LDO_REG2 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcca_codec"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vdd_10: LDO_REG3 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-name = "vdd_10"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1000000>; }; }; vcc_wl: LDO_REG4 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc_wl"; regulator-state-mem { regulator-on-in-suspend; }; }; vccio_sd: LDO_REG5 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-name = "vccio_sd"; regulator-state-mem { regulator-off-in-suspend; }; }; vdd10_lcd: LDO_REG6 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-name = "vdd10_lcd"; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_18: LDO_REG7 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc_18"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1800000>; }; }; vcc18_lcd: LDO_REG8 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc18_lcd"; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_sd: SWITCH_REG1 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_sd"; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_lcd: SWITCH_REG2 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_lcd"; regulator-state-mem { regulator-off-in-suspend; }; }; }; }; };
编译
2.kernel\arch\arm\boot\dts\rk3288-evb.dtsi
vcc_sd1 sdmmc
vcc_sd1: sdmmc-regulator { compatible = "regulator-fixed"; pinctrl-names = "default"; pinctrl-0 = <&sdmmc_pwr>; regulator-name = "vcc_sd1"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; startup-delay-us = <100000>; vin-supply = <&vcc_io>; }; &sdmmc { supports-sd; bus-width = <4>; cap-mmc-highspeed; sd-uhs-sdr12; sd-uhs-sdr25; sd-uhs-sdr50; sd-uhs-sdr104; cap-sd-highspeed; card-detect-delay = <200>; disable-wp; /* wp not hooked up */ num-slots = <1>; pinctrl-names = "default"; pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>; status = "okay"; vmmc-supply = <&vcc_sd1>; vqmmc-supply = <&vccio_sd>; supports-sd; };