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Diffstat (limited to 'arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts')
-rw-r--r--arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts187
1 files changed, 175 insertions, 12 deletions
diff --git a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
index 716a205c6dbb..7f0a3f6d0cf2 100644
--- a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
@@ -44,7 +44,6 @@
/dts-v1/;
#include "sun8i-a83t.dtsi"
-#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
@@ -95,6 +94,26 @@
refclk-frequency = <19200000>;
};
+ reg_usb1_vbus: reg-usb1-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb1-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ enable-active-high;
+ gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
+ };
+
+ reg_usb2_vbus: reg-usb2-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb2-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ enable-active-high;
+ gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+ };
+
sound {
compatible = "simple-audio-card";
simple-audio-card,name = "On-board SPDIF";
@@ -112,6 +131,17 @@
#sound-dai-cells = <0>;
compatible = "linux,spdif-dit";
};
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&ac100_rtc 1>;
+ clock-names = "ext_clock";
+ /* The WiFi low power clock must be 32768 Hz */
+ assigned-clocks = <&ac100_rtc 1>;
+ assigned-clock-rates = <32768>;
+ /* enables internal regulator and de-asserts reset */
+ reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
+ };
};
&ehci0 {
@@ -127,17 +157,26 @@
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
- vmmc-supply = <&reg_vcc3v3>;
+ vmmc-supply = <&reg_dcdc1>;
bus-width = <4>;
cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
cd-inverted;
status = "okay";
};
+&mmc1 {
+ vmmc-supply = <&reg_dcdc1>;
+ vqmmc-supply = <&reg_sw>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+};
+
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_8bit_emmc_pins>;
- vmmc-supply = <&reg_vcc3v3>;
+ vmmc-supply = <&reg_dcdc1>;
bus-width = <8>;
non-removable;
cap-mmc-hw-reset;
@@ -152,6 +191,9 @@
reg = <0x3a3>;
interrupt-parent = <&r_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ eldoin-supply = <&reg_dcdc1>;
+ swin-supply = <&reg_dcdc1>;
+ x-powers,drive-vbus-en;
};
ac100: codec@e89 {
@@ -179,22 +221,143 @@
};
};
-&reg_usb1_vbus {
- gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
- status = "okay";
+#include "axp81x.dtsi"
+
+&reg_aldo1 {
+ regulator-always-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc-1v8";
+};
+
+&reg_aldo2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "dram-pll";
+};
+
+&reg_aldo3 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "avcc";
};
-&reg_usb2_vbus {
- gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+&reg_dcdc1 {
+ /*
+ * The schematics say this should be 3.3V, but the FEX file says
+ * it should be 3V. The latter makes sense, as the WiFi module's
+ * I/O is indirectly powered from DCDC1, through SW. It is rated
+ * at 2.98V maximum.
+ */
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc-3v";
+};
+
+&reg_dcdc2 {
+ regulator-always-on;
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpua";
+};
+
+&reg_dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpub";
+};
+
+&reg_dcdc4 {
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-gpu";
+};
+
+&reg_dcdc5 {
+ regulator-always-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-name = "vcc-dram";
+};
+
+&reg_dcdc6 {
+ regulator-always-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ regulator-name = "vdd-sys";
+};
+
+&reg_dldo2 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "dp-pwr";
+};
+
+&reg_dldo3 {
+ regulator-always-on;
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-name = "ephy-io";
+};
+
+&reg_dldo4 {
+ /*
+ * The PHY requires 20ms after all voltages are applied until core
+ * logic is ready and 30ms after the reset pin is de-asserted.
+ * Set a 100ms delay to account for PMIC ramp time and board traces.
+ */
+ regulator-enable-ramp-delay = <100000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "ephy";
+};
+
+&reg_drivevbus {
+ regulator-name = "usb0-vbus";
status = "okay";
};
-&reg_vcc3v0 {
- status = "disabled";
+&reg_eldo1 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-name = "dp-bridge-1";
+};
+
+&reg_eldo2 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-name = "dp-bridge-2";
+};
+
+&reg_fldo1 {
+ /* TODO should be handled by USB PHY */
+ regulator-always-on;
+ regulator-min-microvolt = <1080000>;
+ regulator-max-microvolt = <1320000>;
+ regulator-name = "vdd12-hsic";
+};
+
+&reg_fldo2 {
+ /*
+ * Despite the embedded CPUs core not being used in any way,
+ * this must remain on or the system will hang.
+ */
+ regulator-always-on;
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpus";
+};
+
+&reg_rtc_ldo {
+ regulator-name = "vcc-rtc";
};
-&reg_vcc5v0 {
- status = "disabled";
+&reg_sw {
+ regulator-name = "vcc-wifi-io";
};
&spdif {