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From: Markus Reichl <m.reichl@fivetechno.de>
To: Soeren Moch <smoch@web.de>,
	Kever Yang <kever.yang@rock-chips.com>,
	heiko@sntech.de
Cc: "Mark Rutland" <mark.rutland@arm.com>,
	"Andrius Štikonas" <andrius@stikonas.eu>,
	"Vivek Unune" <npcomplete13@gmail.com>,
	"Alexis Ballier" <aballier@gentoo.org>,
	devicetree@vger.kernel.org,
	"Katsuhiro Suzuki" <katsuhiro@katsuster.net>,
	"Hugh Cole-Baker" <sigmaris@gmail.com>,
	"Elaine Zhang" <zhangqing@rock-chips.com>,
	linux-kernel@vger.kernel.org,
	"Vicente Bergas" <vicencb@gmail.com>,
	linux-rockchip@lists.infradead.org,
	"Rob Herring" <robh+dt@kernel.org>,
	"Oskari Lemmela" <oskari@lemmela.net>,
	"Akash Gajjar" <akash@openedev.com>, "Nick Xie" <nick@khadas.com>,
	"Peter Robinson" <pbrobinson@gmail.com>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Ezequiel Garcia" <ezequiel@collabora.com>,
	linux-arm-kernel@lists.infradead.org,
	"Andy Yan" <andyshrk@gmail.com>
Subject: [PATCH] arm64: dts: rockchip: Fix vdd_log on rk3399-roc-pc
Date: Tue, 12 Nov 2019 12:42:09 +0100
Message-ID: <d786ef47-eda8-3994-2ef2-fc4a584bcdcc@fivetechno.de> (raw)
In-Reply-To: <fd9ee2bc-9dfb-1aa2-f00f-add9b3069876@web.de>

On rk3399 vdd_log shall not exceed 1.0 V. On rk3399-roc-pc
vdd_log is presently 1118 mV. Fix by setting the min voltage
of the respective pwm-regulator down to 450 mV.
This results in a vdd_log of 953 mV.
Specify the supply to silence warning.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
---
 arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index a31099f7620b..4dac88ef7e72 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -211,9 +211,9 @@
 		regulator-name = "vdd_log";
 		regulator-always-on;
 		regulator-boot-on;
-		regulator-min-microvolt = <800000>;
+		regulator-min-microvolt = <450000>;
 		regulator-max-microvolt = <1400000>;
-		vin-supply = <&vcc3v3_sys>;
+		pwm-supply = <&vcc3v3_sys>;
 	};
 };
 
-- 
2.20.1


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  parent reply index

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-11  0:51 [PATCH 1/3] arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd_log Kever Yang
2019-11-11  0:51 ` [PATCH 2/3] arm64: dts: rk3399-rock960: add vdd_log Kever Yang
2019-11-11  5:22   ` Manivannan Sadhasivam
2019-11-11  5:26     ` Manivannan Sadhasivam
2019-11-12  8:10     ` Kever Yang
2019-11-12 17:17       ` Manivannan Sadhasivam
2019-11-13  2:44         ` Kever Yang
2019-11-13  3:21           ` Manivannan Sadhasivam
2019-11-11  0:51 ` [PATCH 3/3] arm64: dts: rk3399: Add init voltage for vdd_log Kever Yang
2019-11-11  8:42   ` Soeren Moch
2019-11-12  8:04     ` Kever Yang
2019-11-12  8:10       ` Heiko Stübner
2019-11-13  3:21         ` Kever Yang
2019-11-18  1:05           ` Heiko Stuebner
2019-11-12  8:16       ` Markus Reichl
2019-11-12  8:44         ` Sören Moch
2019-11-12  8:51           ` Markus Reichl
2019-11-12 10:02         ` Kever Yang
2019-11-12 10:19           ` Soeren Moch
2019-11-12 11:06             ` Markus Reichl
2019-11-12 11:42             ` Markus Reichl [this message]
2019-11-18  1:03               ` [PATCH] arm64: dts: rockchip: Fix vdd_log on rk3399-roc-pc Heiko Stuebner
2019-11-13 17:01   ` [PATCH 3/3] arm64: dts: rk3399: Add init voltage for vdd_log Doug Anderson
2019-11-14  1:53     ` Kever Yang
2019-11-13 17:50   ` Vicente Bergas
2019-11-18  1:04 ` [PATCH 1/3] arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd_log Heiko Stuebner

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