brain-hackers_pepepper-mirror/linux-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/linux-brain.git synced 2024-06-09 23:36:23 +09:00
Code Issues Projects Releases Wiki Activity

ARM: sun8i: h3: add SY8113B regulator on Banana Pi M2 Zero board

Browse Source 
Banana Pi M2 Zero board has a SY8113B regulator, which is controlled via
GPIO and capable of outputing 1.1V when the PL1 GPIO is set to output 0
or 1.1V when the PL6 GPIO is set to input or output 1, and the output is
the power supply of the ARM cores in H3 SoC.

Add the device tree node of this regulator and set the cpu's cpu-supply
property to it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Icenowy Zheng 2018-07-11 21:44:50 +08:00 committed by Maxime Ripard
parent 7389172fc3
commit 51ecdd779e
No known key found for this signature in database
GPG Key ID: D2B4C094214DAF74
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
View File

@ -48,6 +48,23 @@
};
};
reg_vdd_cpux: vdd-cpux-regulator {
compatible = "regulator-gpio";
regulator-name = "vdd-cpux";
regulator-type = "voltage";
regulator-boot-on;
regulator-always-on;
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1300000>;
regulator-ramp-delay = <50>; /* 4ms */
gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
enable-active-high;
gpios-states = <0x1>;
states = <1100000 0x0
1300000 0x1>;
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
@ -55,6 +72,10 @@
};
};
&cpu0 {
cpu-supply = <&reg_vdd_cpux>;
};
&ehci0 {
status = "okay";
};