diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-09-28 14:47:19 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-10-17 11:57:58 +0200 |
| commit | 92378fd2ba593425308f3b21ff29936ead02a090 (patch) | |
| tree | ec141aa6610e1bc6d4d03ae13e2d0ff43c11b33f | |
| parent | b6ce840b974f9be906e1ba30cedaba8b94a0320f (diff) | |
arm64: dts: renesas: white-hawk-cpu: Add PCA9654 I/O Expander
Describe the PCA9654 I/O Expander on the White Hawk CPU board.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/e75ea6feaedc013c504a032a6cf1cb7dd809ce27.1664369170.git.geert+renesas@glider.be
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi index 895f0bd9f754..f424b827fcbc 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi @@ -135,6 +135,17 @@ status = "okay"; clock-frequency = <400000>; + io_expander_a: gpio@20 { + compatible = "onnn,pca9654"; + reg = <0x20>; + interrupt-parent = <&gpio0>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + eeprom@50 { compatible = "rohm,br24g01", "atmel,24c01"; label = "cpu-board"; |