[PATCH v4 15/21] ARM: shmobile: armadillo-reference: Move st1232 reset GPIO to DT
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Wed May 29 18:01:43 EST 2013
Hi Linus,
Thanks for the review.
On Friday 24 May 2013 10:59:50 Linus Walleij wrote:
> On Tue, May 21, 2013 at 2:14 PM, Laurent Pinchart wrote:
> > Reference the st1232 reset GPIO from the device tree and remove it from
> > board code.
> >
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas at ideasonboard.com>
> >
> > +++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
> > @@ -43,6 +43,7 @@
> >
> > interrupts = <2 0>; /* IRQ10: hwirq 2 on irqpin1 */
> > pinctrl-0 = <&st1232_pins>;
> > pinctrl-names = "default";
> >
> > + gpios = <&pfc 166 1>;
>
> Just as a random example this becomes:
>
> gpios = <&pfc 166 GPIO_ACTIVE_LOW>;
>
> Which is WAAAY more readable.
As stated in my reply to your other e-mail, I'll switch to symbolic constants.
> > +++ b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
> >
> > @@ -158,7 +158,6 @@ clock_error:
> > */
> > static void __init eva_init(void)
> > {
> > -
> > r8a7740_clock_init(MD_CK0 | MD_CK2);
> > eva_clock_init();
> >
> > @@ -171,12 +170,6 @@ static void __init eva_init(void)
> >
> > r8a7740_add_standard_devices_dt();
> >
> > - /*
> > - * Touchscreen
> > - * TODO: Move reset GPIO over to .dts when we can reference it
> > - */
> > - gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */
> > -
>
> Not really my business but I guess the driver is already augmented to pick
> its GPIO from the device tree in this case?
Yes it is.
> And are you willingly breaking non-DT boots or something?
The armadillo-reference board doesn't support non-DT boot.
--
Regards,
Laurent Pinchart
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