]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
ARM: dts: configure regulators for Gumstix Pepper
authorAdam YH Lee <adam.yh.lee@gmail.com>
Thu, 9 Jul 2015 22:37:57 +0000 (15:37 -0700)
committerTony Lindgren <tony@atomide.com>
Tue, 14 Jul 2015 07:00:46 +0000 (00:00 -0700)
commit5aed4ee7cc1f214173b3a029452fe4be7bf89541
treeed2a2a975e320ed1b5af4481bb5a0776c13a4a06
parent3c20b827b1803335aacdab63fb5ed0fd2f4c04ca
ARM: dts: configure regulators for Gumstix Pepper

Boot process is halting in midway because some of the necessary voltage
regulators are deemed unused and subsequently powered off, leading to
a completely unresponsive system.

Most of the device nodes had correct voltage regulator attachments.
Yet these nodes had to set stricter enforcement on them through
'regulator-boot-on' and 'regulator-always-on' to function correctly.

The consumers of the regulators this commit affect are the followings:

DCDC1: vdd_1v8 system supply, USB-PHY, and ADC
DCDC2: Core domain
DCDC3: MPU core domain
 LDO1: RTC
 LDO2: 3v3 IO domain
 LDO3: USB-PHY; not a boot-time requirement
 LDO4: LCD [16:23]

All but LDO3 need to be always-on for the system to be functional.

Additionally regulator-name properties have been added for the kernel to
display the name from the schematic. This will improve diagnostics.

Signed-off-by: Adam YH Lee <adam.yh.lee@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/boot/dts/am335x-pepper.dts