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gpio: mpc8xxx: Add new platforms GPIO DT node description

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Update the NXP GPIO node dt-binding file for QorIQ and
Layerscape platforms, and add one more example with
ls1028a GPIO node.

Signed-off-by: Song Hui <hui.song_1@nxp.com>
Link: https://lore.kernel.org/r/20190807021254.49092-1-hui.song_1@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Song Hui 2019-08-07 10:12:54 +08:00 committed by Linus Walleij
parent 15bddb7d78
commit 40b0bcd3e0
1 changed files with 15 additions and 1 deletions
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16
Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
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@ -4,7 +4,7 @@ Required properties:
- compatible : Should be "fsl,<soc>-gpio"
The following <soc>s are known to be supported:
mpc5121, mpc5125, mpc8349, mpc8572, mpc8610, pq3, qoriq,
ls1021a, ls1043a, ls2080a.
ls1021a, ls1043a, ls2080a, ls1028a.
- reg : Address and length of the register set for the device
- interrupts : Should be the port interrupt shared by all 32 pins.
- #gpio-cells : Should be two. The first cell is the pin number and
@ -37,3 +37,17 @@ gpio0: gpio@2300000 {
interrupt-controller;
#interrupt-cells = <2>;
};
Example of gpio-controller node for a ls1028a SoC:
gpio1: gpio@2300000 {
compatible = "fsl,ls1028a-gpio","fsl,qoriq-gpio";
reg = <0x0 0x2300000 0x0 0x10000>;
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
little-endian;
};