[PATCH v2 2/2] ARM: dts: meson8b: the CBUS GPIO controller only has 83 GPIOs
Jerome Brunet
jbrunet at baylibre.com
Sun Feb 25 06:10:45 PST 2018
On Sun, 2018-02-25 at 12:38 +0100, Martin Blumenstingl wrote:
> Update the "gpio-ranges" property of the CBUS GPIO controller on Meson8b
> because it only provides 83 GPIOs.
> The GPIO definitions in include/dt-bindings/gpio/meson8b-gpio.h
> inherited all GPIOs from Meson8 until recently. However, Meson8b does
> not support all GPIOs which are supported by Meson8 (Meson8b doesn't
> have a GPIOZ bank, most of the pins from the GPIODV bank are missing on
> Meson8b - just to name a few differences).
>
> The actual number of GPIOs is only 83, instead of 120 from Meson8 plus
> the 10 GPIOs from the DIF bank on Meson8b.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Reviewed-by: Jerome Brunet <jbrunet at baylibre.com>
> ---
> arch/arm/boot/dts/meson8b.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
> index 5f7841b2d163..9fa77975354b 100644
> --- a/arch/arm/boot/dts/meson8b.dtsi
> +++ b/arch/arm/boot/dts/meson8b.dtsi
> @@ -183,7 +183,7 @@
> reg-names = "mux", "pull", "pull-enable", "gpio";
> gpio-controller;
> #gpio-cells = <2>;
> - gpio-ranges = <&pinctrl_cbus 0 0 130>;
> + gpio-ranges = <&pinctrl_cbus 0 0 83>;
> };
>
> eth_rgmii_pins: eth-rgmii {
More information about the linux-amlogic
mailing list