[U-Boot] [U-Boot,v3,1/2] bcm283x: Add pinctrl driver

Jonathan Gray jsg at jsg.id.au
Fri Feb 9 23:02:54 UTC 2018


On Sat, Feb 03, 2018 at 12:47:48PM +1100, Jonathan Gray wrote:
> On Sun, Jan 28, 2018 at 01:54:25PM -0500, Tom Rini wrote:
> > On Tue, Jan 23, 2018 at 06:05:21PM +0100, Alexander Graf wrote:
> > 
> > > The bcm283x family of SoCs have a GPIO controller that also acts as
> > > pinctrl controller.
> > > 
> > > This patch introduces a new pinctrl driver that can actually properly mux
> > > devices into their device tree defined pin states and is now the primary
> > > owner of the gpio device. The previous GPIO driver gets moved into a
> > > subdevice of the pinctrl driver, bound to the same OF node.
> > > 
> > > That way whenever a device asks for pinctrl support, it gets it
> > > automatically from the pinctrl driver and GPIO support is still available
> > > in the normal command line phase.
> > > 
> > > Signed-off-by: Alexander Graf <agraf at suse.de>
> > 
> > Applied to u-boot/master, thanks!
> 
> It seems one of the recent commits here has broken booting on rpi_3 with
> the vendor supplied device tree via efi_loader.
> 
> last working commit seems to be:
> 
> 8996975ff8422e07f43eb8b3b0c7ed8c2b35442f
> powerpc: Drop CONFIG_WALNUT and other related dead code
> 
> After that were
> 
> caf2233b281c03e3e359061a3dfa537d8a25c273
> bcm283x: Add pinctrl driver
> 
> c8a73a26d6dd9b7d489e66529fe1412425d8f2d1
> mmc: Add bcm2835 sdhost controller
> 
> These can't easily be reverted due to other changes.

This turns out to have been efi loader changes, and is resolved
by 'efi_loader: correct efi_disk_register'
https://lists.denx.de/pipermail/u-boot/2018-February/320043.html

Still not clear on why git bisect kept pointing at these pinctrl changes
on rpi_3.


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