From: Andreas Kemnade <andreas@kemnade.info>
To: Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
khilman@baylibre.com, devicetree@vger.kernel.org,
tony@atomide.com, rogerq@kernel.org, aaro.koskinen@iki.fi,
linux-omap@vger.kernel.org
Cc: Andreas Kemnade <andreas@kemnade.info>
Subject: [PATCH 4/4] ARM: dts: omap: omap4-epson-embt2ws: add GPIO expander
Date: Mon, 30 Sep 2024 23:30:08 +0200 [thread overview]
Message-ID: <20240930213008.159647-5-andreas@kemnade.info> (raw)
In-Reply-To: <20240930213008.159647-1-andreas@kemnade.info>
Define the GPIO expander which controls at least some camera gpios.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
index c8205ae89840..ecd727e65761 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -291,6 +291,19 @@ &i2c2 {
clock-frequency = <200000>;
+ /* is sometimes not available, research needed */
+ gpio_head: gpio@20 {
+ compatible = "ti,tca6408";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ /*
+ * camera chip at 0x3c, available if <&gpio_head 1> high
+ * and <&gpio_head 5> low
+ */
+
/* at head/glasses */
mpu9150h: imu@68 {
compatible = "invensense,mpu9150";
--
2.39.5
next prev parent reply other threads:[~2024-09-30 21:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-30 21:30 [PATCH 0/4] ARM: dts: omap: omap4-epson-embt2ws: misc gpio definitions Andreas Kemnade
2024-09-30 21:30 ` [PATCH 1/4] ARM: dts: omap: omap4-epson-embt2ws: define GPIO regulators Andreas Kemnade
2024-10-04 7:24 ` Roger Quadros
2024-10-04 7:41 ` Andreas Kemnade
2024-10-04 7:55 ` Roger Quadros
2024-09-30 21:30 ` [PATCH 2/4] ARM: dts: omap: omap4-epson-embt2ws: wire up regulators Andreas Kemnade
2024-10-04 7:25 ` Roger Quadros
2024-10-04 7:38 ` Roger Quadros
2024-10-04 9:01 ` Andreas Kemnade
2024-10-04 9:45 ` Roger Quadros
2024-09-30 21:30 ` [PATCH 3/4] ARM: dts: omap: omap4-epson-embt2ws: add unknown gpio outputs Andreas Kemnade
2024-10-04 7:53 ` Roger Quadros
2024-10-04 11:33 ` Andreas Kemnade
2024-09-30 21:30 ` Andreas Kemnade [this message]
2024-10-02 3:52 ` [PATCH 0/4] ARM: dts: omap: omap4-epson-embt2ws: misc gpio definitions Rob Herring (Arm)
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