2020-08-16 19:37:25

by Prabhakar Mahadev Lad

Subject: [PATCH 2/3] 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 <[email protected]>
Reviewed-by: Chris Paterson <[email protected]>
---
arch/arm/boot/dts/r8a7742-iwg21m.dtsi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
index 6e8df79bea94..0f26807f92b8 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
+++ b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
@@ -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";
--
2.17.1

2020-08-21 13:08:49

by Geert Uytterhoeven

Subject: Re: [PATCH 2/3] ARM: dts: r8a7742-iwg21m: Add RTC support

On Sun, Aug 16, 2020 at 9:33 PM Lad Prabhakar
<[email protected]> wrote:
> Enable BQ32000 RTC which is connected to I2C0 on the iWave RainboW-G21M-q7
> SOM.
>
> Signed-off-by: Lad Prabhakar <[email protected]>
> Reviewed-by: Chris Paterson <[email protected]>

Reviewed-by: Geert Uytterhoeven <[email protected]>
i.e. will queue in renesas-devel for v5.10.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds