linux-kernel - [PATCH 4/5] ARM: dts: Aspeed: Tacoma: Add IBM Operation Panel I2C device

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Date:   Thu, 20 Aug 2020 11:11:51 -0500
From:   Eddie James <eajames@...ux.ibm.com>
To:     linux-input@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-aspeed@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
        joel@....id.au, andrew@...id.au, benh@...nel.crashing.org,
        brendanhiggins@...gle.com, dmitry.torokhov@...il.com,
        robh+dt@...nel.org, eajames@...ux.ibm.com
Subject: [PATCH 4/5] ARM: dts: Aspeed: Tacoma: Add IBM Operation Panel I2C device

Set I2C bus 0 to multi-master mode and add the panel device that will
register as a slave.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
 arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
index 5f4ee67ac787..9cf2e02ae9e2 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
@@ -438,7 +438,13 @@ aliases {
 };
 
 &i2c0 {
+	multi-master;
 	status = "okay";
+
+	ibm-panel@62 {
+		compatible = "ibm,op-panel";
+		reg = <0x40000062>; /* I2C_OWN_SLAVE_ADDRESS */
+	};
 };
 
 &i2c1 {
-- 
2.26.2