Enabling the GPU power domain requires that the GPU regulator is
enabled. The regulator is enabled at boot time, but gets disabled
automatically when there are no users.
This means the system might run into a failure state hanging the
whole system for the following use cases:
* if the GPU driver is being probed late (e.g. build as a
module and firmware is not in initramfs), the regulator
might already have been disabled. In that case the power
domain is enabled before the regulator.
* unbinding the GPU driver will disable the PM domain and
the regulator. When the driver is bound again, the PM
domain will be enabled before the regulator and error
appears.
Avoid this by adding an explicit regulator dependency to the
power domain.
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reported-by: Adrián Martínez Larumbe <adrian.larumbe@collabora.com>
Tested-by: Adrian Larumbe <adrian.larumbe@collabora.com> # On Rock 5B
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20250220-rk3588-gpu-pwr-domain-regulator-v6-8-a4f9c24e5b81@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The hdptxphy is a combo transmit-PHY for HDMI2.1 TMDS Link, FRL Link, DP
and eDP Link. Therefore, it is better to name it hdptxphy0 other than
hdptxphy_hdmi0, which will be referenced by both hdmi0 and edp0 nodes.
Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
Link: https://lore.kernel.org/r/20250206030330.680424-3-damon.ding@rock-chips.com
[added armsom-sige7, where hdmi-support was added recently and also
the hdptxphy0-as-dclk source I just added]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The preferred nodename for fixed-regulators has changed to
pattern: '^regulator(-[0-9]+v[0-9]+|-[0-9a-z-]+)?$'
Fix all Rockchip DT regulator nodenames.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/0ae40493-93e9-40cd-9ca9-990ae064f21a@gmail.com
[adapted rebased on top of a number of other changes and included
neu6a-wifi + wolfvision-pf5-io-expander overlays]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Implements a slightly modified rk3588s-orangepi-5b.dts from the vendor.
Unfortunately the &wireless_bluetooth and &wireless_wlan are not
implemented yet.
Therefore add the sdhci alias to be mmc0 on the rk3588s-orangepi-5b.dts.
How is the Orange Pi 5B unique?
- the Orange Pi 5b uses combphy0_ps for the WiFi.
- the Orange Pi 5B has GPIO0_C5 hooked to BT_WAKE_HOST.
- builtin eMMC storage
- ap6275p Wifi module (like the Orange Pi 5 Plus)
- builtin BlueTooth module
Signed-off-by: Cenk Uluisik <cenk.uluisik@googlemail.com>
Link: https://lore.kernel.org/r/20241024095038.42079-3-cenk.uluisik@googlemail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Unique to the Orange Pi 5 board:
- M.2 NVMe M-Key PCIe 2.0x1 on combphy0_ps
- SPI NOR flash
Co-Developed-by: Jimmy Hon <honyuenkwun@gmail.com>
Signed-off-by: Jimmy Hon <honyuenkwun@gmail.com>
Signed-off-by: Cenk Uluisik <cenk.uluisik@googlemail.com>
Link: https://lore.kernel.org/r/20241024095038.42079-1-cenk.uluisik@googlemail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
