linux-kernel - [PATCH 2/3] ARM: dts: aspeed: Add node for AST2600 I2C

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Date:   Wed, 19 May 2021 16:04:28 +0800
From:   Jamin Lin <jamin_lin@...eedtech.com>
To:     Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
        "Andrew Jeffery" <andrew@...id.au>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Rayn Chen <rayn_chen@...eedtech.com>,
        "open list:I2C SUBSYSTEM HOST DRIVERS" <linux-i2c@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-aspeed@...ts.ozlabs.org>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/ASPEED I2C DRIVER" <openbmc@...ts.ozlabs.org>
CC:     <ryan_chen@...eedtech.com>, <chiawei_wang@...eedtech.com>,
        <troy_lee@...eedtech.com>, <steven_lee@...eedtech.com>,
        <jamin_lin@...eedtech.com>
Subject: [PATCH 2/3] ARM: dts: aspeed: Add node for AST2600 I2C

Add node to get the global register of i2c for AST2600.

Signed-off-by: Jamin Lin <jamin_lin@...eedtech.com>
---
 arch/arm/boot/dts/aspeed-g6.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index f96607b7b4e2..998d55a16c5c 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -674,6 +674,14 @@
 #include "aspeed-g6-pinctrl.dtsi"
 
 &i2c {
+
+	i2c_gr: i2c-global-regs@0 {
+		compatible = "aspeed,ast2600-i2c-global", "syscon";
+		reg = <0x0 0x20>;
+		clocks = <&syscon ASPEED_CLK_APB2>;
+		resets = <&syscon ASPEED_RESET_I2C>;
+	};
+
 	i2c0: i2c-bus@80 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
2.17.1