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From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
To: Geert Uytterhoeven <geert+renesas@glider.be>,
	Magnus Damm <magnus.damm@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Prabhakar <prabhakar.csengg@gmail.com>
Subject: [PATCH 2/3] ARM: dts: r8a7742-iwg21m: Add RTC support
Date: Sun, 16 Aug 2020 20:33:15 +0100	[thread overview]
Message-ID: <20200816193316.7641-3-prabhakar.mahadev-lad.rj@bp.renesas.com> (raw)
In-Reply-To: <20200816193316.7641-1-prabhakar.mahadev-lad.rj@bp.renesas.com>

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>
---
 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


  parent reply	other threads:[~2020-08-16 19:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-16 19:33 [PATCH 0/3] r8a7742-iwg21m enable RTC and NOR flash Lad Prabhakar
2020-08-16 19:33 ` [PATCH 1/3] ARM: dts: r8a7742-iwg21m: Sort the nodes alphabetically Lad Prabhakar
2020-08-21 12:57   ` Geert Uytterhoeven
2020-08-16 19:33 ` Lad Prabhakar [this message]
2020-08-21 13:07   ` [PATCH 2/3] ARM: dts: r8a7742-iwg21m: Add RTC support Geert Uytterhoeven
2020-08-16 19:33 ` [PATCH 3/3] ARM: dts: r8a7742-iwg21m: Add SPI NOR support Lad Prabhakar
2020-08-16 21:48   ` kernel test robot
2020-08-21 13:32   ` Geert Uytterhoeven
2020-08-21 14:00     ` Lad, Prabhakar

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