[PATCH v2] ARM: bcm2835: dts: fix uart0 pinctrl node names

Eric Anholt eric at anholt.net
Mon Jan 30 15:30:13 PST 2017

Baruch Siach <baruch at tkos.co.il> writes:

> Downstream kernel uses pins 32, 33 as UART0 (PL011) Rx/Tx to communicate with
> the Bluetooth chip. So ALT3 of these pins is most likely not CTS/RTS. Change
> the node name to reflect that. This matches section 6.2 "Alternative Function
> Assignments" in the BCM2835 ARM Peripherals document.
> With this change in place, adding
>   &uart0 {
> 	 pinctrl-names = "default";
> 	 pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>;
> 	 status = "okay";
>   };
> to bcm2837-rpi-3-b.dts does the right thing on my Raspberry Pi 3.
> Pins 30, 31 are CTS/RTS of UART0 in alternate function 3. Rename uart0_gpio30
> as well.
> While at it, fix a little typo in a nearby comment.
> Fixes: 21ff843931b ("ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node.")
> Acked-by: Stefan Wahren <stefan.wahren at i2se.com>
> Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Reviewed-by: Eric Anholt <eric at anholt.net>

Working on putting together a new dt-next branch now.
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