From: Roger Quadros <rogerq@kernel.org>
To: vigneshr@ti.com, trini@konsulko.com
Cc: nm@ti.com, srk@ti.com, u-boot@lists.denx.de,
Roger Quadros <rogerq@kernel.org>
Subject: [PATCH 5/6] arm: dts: k3-am642: Add I2C GPIO Expander
Date: Tue, 4 Jul 2023 21:10:07 +0300 [thread overview]
Message-ID: <20230704181008.305561-6-rogerq@kernel.org> (raw)
In-Reply-To: <20230704181008.305561-1-rogerq@kernel.org>
The I2C GPIO expander at address 0x38 is used for card detect GPIOs.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
arch/arm/dts/k3-am642-evm-u-boot.dtsi | 4 ++++
arch/arm/dts/k3-am642-evm.dts | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/arch/arm/dts/k3-am642-evm-u-boot.dtsi b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
index 80c04d0117..f274d11697 100644
--- a/arch/arm/dts/k3-am642-evm-u-boot.dtsi
+++ b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
@@ -40,6 +40,10 @@
bootph-pre-ram;
};
+&tca9554 {
+ bootph-pre-ram;
+};
+
&main_uart0 {
bootph-pre-ram;
};
diff --git a/arch/arm/dts/k3-am642-evm.dts b/arch/arm/dts/k3-am642-evm.dts
index 529eb81538..bc7e6f29b0 100644
--- a/arch/arm/dts/k3-am642-evm.dts
+++ b/arch/arm/dts/k3-am642-evm.dts
@@ -353,6 +353,14 @@
compatible = "atmel,24c1024";
reg = <0x50>;
};
+
+ tca9554: gpio@38 {
+ /* TCA9554 */
+ compatible = "nxp,pca9554";
+ reg = <0x38>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};
&main_i2c1 {
--
2.34.1
next prev parent reply other threads:[~2023-07-04 18:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-04 18:10 [PATCH 0/6] ti: k3-am642: Add daughtercard support Roger Quadros
2023-07-04 18:10 ` [PATCH 1/6] board: ti: am64x: Recognize AM64-HSEVM Roger Quadros
2023-07-05 8:01 ` Roger Quadros
2023-07-04 18:10 ` [PATCH 2/6] board: ti: am64x: Add HSE NAND card detection support Roger Quadros
2023-07-04 18:10 ` [PATCH 3/6] arm: dts: k3-am642: Sync main_i2c0 with kernel Roger Quadros
2023-07-06 12:38 ` Nishanth Menon
2023-07-06 14:13 ` Roger Quadros
2023-07-06 14:25 ` Nishanth Menon
2023-07-04 18:10 ` [PATCH 4/6] arm: dts: k3-am642-r5-evm: Add I2C0 and Card detect GPIOs Roger Quadros
2023-07-06 12:38 ` Nishanth Menon
2023-07-04 18:10 ` Roger Quadros [this message]
2023-07-04 18:10 ` [PATCH 6/6] configs: am64x_evm_a53_defconfig: Enable I2C GPIO drivers Roger Quadros
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