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ARM: dts: r8a7742-iwg21m: Add RTC support 

Enable BQ32000 RTC which is connected to I2C0 on the iWave RainboW-G21M-q7
SOM.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200816193316.7641-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Lad Prabhakar 2020-08-16 20:33:15 +01:00 committed by Geert Uytterhoeven
parent be571bec2c
commit c0ed2ee793
1 changed files with 20 additions and 0 deletions
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20
arch/arm/boot/dts/r8a7742-iwg21m.dtsi
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@ -35,6 +35,21 @@
clock-frequency = <20000000>;
};
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <400000>;
rtc@68 {
compatible = "ti,bq32000";
reg = <0x68>;
interrupt-parent = <&gpio1>;
interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
};
};
&mmcif1 {
pinctrl-0 = <&mmc1_pins>;
pinctrl-names = "default";
@ -46,6 +61,11 @@
};
&pfc {
i2c0_pins: i2c0 {
groups = "i2c0";
function = "i2c0";
};
mmc1_pins: mmc1 {
groups = "mmc1_data4", "mmc1_ctrl";
function = "mmc1";