Hi,
On Thu, Apr 27, 2023 at 09:09:18AM +0200, Linus Walleij wrote:
> On Thu, Apr 27, 2023 at 12:02 AM Aaro Koskinen <aaro.koskinen@xxxxxx> wrote:
>
> > > Fixes: 7b61212f2a07 ("gpiolib: Get rid of ARCH_NR_GPIOS")
> >
> > Fixes should be 92bf78b33b0b ("gpio: omap: use dynamic allocation
> > of base").
>
> OK I fix Fixes.
>
> > Thanks, the patch almost works - I can now boot all the way to rootfs
> > (USB disk), and also ethernet works.
>
> That's actually surprisingly good results... Then we can certainly
> fix this up and get it working.
>
> > However CF is not working:
> >
> > [ 0.276947] (NULL device *): requested GPIO 0 (62) is out of range [0..15] for chip gpio-0-15
> > [ 0.277130] Unable to get CF IRQ GPIO descriptor
>
> Ooops no surprise there. Which gpiochips do you have on OMAP1?
> Just a simple cat /sys/kernel/debug/gpio should give the answer.
Got it working with:
- GPIO_LOOKUP(OMAP_GPIO_LABEL, 62, "cf_irq",
+ GPIO_LOOKUP("gpio-48-63", 14, "cf_irq",
(BTW, I think these tables are more readable with just string literals
instead of OMAP_GPIO_LABEL...)
Here's full lists from OSK, 770, SX1 and Palm TE with v6.2:
OSK:
gpiochip1: GPIOs 0-15, parent: platform/omap_gpio.1, gpio-0-15:
gpio-0 ( |smc_irq ) in lo IRQ
gpio-9 ( |OHCI overcurrent ) in hi
gpiochip2: GPIOs 16-31, parent: platform/omap_gpio.2, gpio-16-31:
gpio-18 ( |UART wake ) in lo IRQ
gpiochip3: GPIOs 32-47, parent: platform/omap_gpio.3, gpio-32-47:
gpio-37 ( |UART wake ) in lo IRQ
gpiochip4: GPIOs 48-63, parent: platform/omap_gpio.4, gpio-48-63:
gpio-49 ( |UART wake ) in lo IRQ
gpio-62 ( |cf_irq ) in hi IRQ
gpiochip0: GPIOs 192-207, parent: platform/omap_gpio.0, mpuio:
gpio-193 ( |tps65010 ) in hi IRQ
gpiochip5: GPIOs 208-214, parent: i2c/i2c-tps65010, tps65010, can sleep:
gpio-208 ( |OHCI power ) out lo
gpio-210 ( |smc_reset ) out lo
gpio-211 ( |dsp_power ) out hi
770:
gpiochip1: GPIOs 0-15, parent: platform/omap_gpio.1, gpio-0-15:
gpio-15 ( |ads7846_pendown ) in hi IRQ
gpiochip2: GPIOs 16-31, parent: platform/omap_gpio.2, gpio-16-31:
gpio-18 ( |UART wake ) in lo IRQ
gpio-23 ( |MMC cover ) in lo
gpiochip3: GPIOs 32-47, parent: platform/omap_gpio.3, gpio-32-47:
gpio-37 ( |UART wake ) in lo IRQ
gpio-40 ( |Tahvo IRQ ) in lo IRQ
gpio-41 ( |MMC power ) out hi
gpiochip4: GPIOs 48-63, parent: platform/omap_gpio.4, gpio-48-63:
gpio-49 ( |UART wake ) in hi IRQ
gpio-62 ( |Retu IRQ ) in lo IRQ
gpiochip0: GPIOs 192-207, parent: platform/omap_gpio.0, mpuio:
gpio-201 ( |CBUS clk ) out lo
gpio-202 ( |CBUS dat ) out lo
gpio-203 ( |CBUS sel ) out hi
SX1:
gpiochip1: GPIOs 0-15, parent: platform/omap_gpio.1, gpio-0-15:
gpio-1 ( |A_IRDA_OFF ) out lo
gpio-11 ( |A_SWITCH ) out lo
gpio-15 ( |A_USB_ON ) out lo
gpiochip0: GPIOs 192-207, parent: platform/omap_gpio.0, mpuio:
Palm TE:
gpiochip1: GPIOs 0-15, parent: platform/omap_gpio.1, gpio-0-15:
gpio-1 ( |USB/DC-IN ) in lo
gpio-6 ( |TSC2102 PINTDAV ) in hi
gpiochip0: GPIOs 192-207, parent: platform/omap_gpio.0, mpuio:
A.
