[v3,1/1] ARM: dts: meson8b: the CBUS GPIO controller only has 83 GPIOs

Message ID 20180312205709.27131-2-martin.blumenstingl@googlemail.com
State New
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  • [v3,1/1] ARM: dts: meson8b: the CBUS GPIO controller only has 83 GPIOs
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Commit Message

Martin Blumenstingl March 12, 2018, 8:57 p.m.
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@googlemail.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---
 arch/arm/boot/dts/meson8b.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Kevin Hilman March 19, 2018, 11:37 p.m. | #1
Martin Blumenstingl <martin.blumenstingl@googlemail.com> writes:

> 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@googlemail.com>
> Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
> Acked-by: Linus Walleij <linus.walleij@linaro.org>

Applied to v4.17/dt,

Thanks,

Kevin
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Patch

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 {