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From:   djw@t-chip.com.cn
To:     linux-rockchip@lists.infradead.org
Cc:     Wayne Chou <zxf@t-chip.com.cn>, Levin Du <djw@t-chip.com.cn>,
        Heiko Stuebner <heiko@sntech.de>, devicetree@vger.kernel.org,
        David Wu <david.wu@rock-chips.com>,
        Liang Chen <cl@rock-chips.com>,
        William Wu <william.wu@rock-chips.com>,
        linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        Rocky Hao <rocky.hao@rock-chips.com>,
        Will Deacon <will.deacon@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        linux-arm-kernel@lists.infradead.org,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH v2 4/5] arm64: dts: rockchip: Add io-domain to roc-rk3328-cc
Date:   Fri, 18 May 2018 11:52:07 +0800
Message-Id: <1526615528-9707-4-git-send-email-djw@t-chip.com.cn>
In-Reply-To: <1526615528-9707-1-git-send-email-djw@t-chip.com.cn>
References: <1526614328-6869-1-git-send-email-djw@t-chip.com.cn>
 <1526615528-9707-1-git-send-email-djw@t-chip.com.cn>
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From: Levin Du <djw@t-chip.com.cn>

It is necessary for the io domain setting of the SoC to match
the voltage supplied by the regulators.

Signed-off-by: Levin Du <djw@t-chip.com.cn>

---

Changes in v2: None
Changes in v1:
- Split from V0.

 arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
index 246c317..b983abd 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
@@ -208,6 +208,18 @@
 	};
 };
 
+&io_domains {
+	status = "okay";
+
+	vccio1-supply = <&vcc_io>;
+	vccio2-supply = <&vcc18_emmc>;
+	vccio3-supply = <&vcc_io>;
+	vccio4-supply = <&vcc_18>;
+	vccio5-supply = <&vcc_io>;
+	vccio6-supply = <&vcc_io>;
+	pmuio-supply = <&vcc_io>;
+};
+
 &pinctrl {
 	pmic {
 		pmic_int_l: pmic-int-l {
-- 
2.7.4