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arm64: dts: renesas: rzg3s-smarc: Enable I2C1 and connected power monitor

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Enable I2C1 for the carrier board and the connected power monitor
ISL28022. Limit the bus speed to the maximum the power monitor supports.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://lore.kernel.org/20241120085345.24638-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Wolfram Sang
2024-11-20 09:49:59 +01:00
committed by Geert Uytterhoeven
parent 08811b984f
commit a62727cf33
1 changed files with 13 additions and 0 deletions
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13
arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
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@@ -75,6 +75,19 @@ &i2c0 {
clock-frequency = <1000000>;
};
&i2c1 {
status = "okay";
clock-frequency = <400000>;
power-monitor@44 {
compatible = "renesas,isl28022";
reg = <0x44>;
shunt-resistor-micro-ohms = <8000>;
renesas,average-samples = <32>;
};
};
&pinctrl {
key-1-gpio-hog {
gpio-hog;