public inbox for linux-i2c@vger.kernel.org
 help / color / mirror / Atom feed
From: Alexandre Mergnat <amergnat@baylibre.com>
To: Qii Wang <qii.wang@mediatek.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	Fabien Parent <fparent@baylibre.com>,
	Rob Herring <robh@kernel.org>,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>,
	Alexandre Mergnat <amergnat@baylibre.com>
Subject: [PATCH v6 2/2] arm64: dts: mediatek: enable i2c0 for mt8365-evk board
Date: Tue, 28 Mar 2023 11:04:48 +0200	[thread overview]
Message-ID: <20221122-mt8365-i2c-support-v6-2-e1009c8afd53@baylibre.com> (raw)
In-Reply-To: <20221122-mt8365-i2c-support-v6-0-e1009c8afd53@baylibre.com>

Enable the I2C0 bus provides communication with:
- The integrated RT9466 Switching Battery Charger.
- The integrated MT6691 LP4X buck for VDDQ.
- The integrated MT6691 LP4X buck for VDD2.
- The pin header, to plug external I2C devices.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index 4683704ea235..adc79ba14b33 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -87,6 +87,13 @@ optee_reserved: optee@43200000 {
 	};
 };
 
+&i2c0 {
+	clock-frequency = <100000>;
+	pinctrl-0 = <&i2c0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &pio {
 	gpio_keys: gpio-keys-pins {
 		pins {
@@ -96,6 +103,14 @@ pins {
 		};
 	};
 
+	i2c0_pins: i2c0-pins {
+		pins {
+			bias-pull-up;
+			pinmux = <MT8365_PIN_57_SDA0__FUNC_SDA0_0>,
+				 <MT8365_PIN_58_SCL0__FUNC_SCL0_0>;
+		};
+	};
+
 	uart0_pins: uart0-pins {
 		pins {
 			pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,

-- 
2.25.1


  parent reply	other threads:[~2023-03-28  9:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-28  9:04 [PATCH v6 0/2] Add MediaTek MT8365 I2C support Alexandre Mergnat
2023-03-28  9:04 ` [PATCH v6 1/2] arm64: dts: mediatek: add i2c support for mt8365 SoC Alexandre Mergnat
2023-03-28  9:04 ` Alexandre Mergnat [this message]
2023-03-28 10:04   ` [PATCH v6 2/2] arm64: dts: mediatek: enable i2c0 for mt8365-evk board AngeloGioacchino Del Regno
2023-03-28 13:10     ` Alexandre Mergnat
2023-03-30 17:14     ` Matthias Brugger
2023-03-31 12:23       ` Alexandre Mergnat

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221122-mt8365-i2c-support-v6-2-e1009c8afd53@baylibre.com \
    --to=amergnat@baylibre.com \
    --cc=angelogioacchino.delregno@collabora.com \
    --cc=devicetree@vger.kernel.org \
    --cc=fparent@baylibre.com \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-i2c@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=matthias.bgg@gmail.com \
    --cc=qii.wang@mediatek.com \
    --cc=robh+dt@kernel.org \
    --cc=robh@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox