Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1676921

[PATCH] Modified imx7d-sdb.dts file so that VLDO4 provides 2.8V for MIPI CSI/DSI

From mindentropy <mindentropy@gmail.com>
Newsgroups linux.kernel
Subject [PATCH] Modified imx7d-sdb.dts file so that VLDO4 provides 2.8V for MIPI CSI/DSI
Date 2017-06-28 20:00 +0200
Message-ID <tXppX-t5-59@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


From: Gautam Bhat <mindentropy@gmail.com>

 * According to mx7sabresd schematics the MIPI CSI/DSI voltage rails
   should be 2.8V but the voltage provided is a maximum of 3.3V and
   minimum of 1.8V. Providing such a higher voltage might damage the
   peripherals and violates the schematic settings.

Signed-off-by: Gautam Bhat <mindentropy@gmail.com>
---
 arch/arm/boot/dts/imx7d-sdb.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 5be01a1bf840..1da1f97ec342 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -262,8 +262,8 @@
 			};
 
 			vgen6_reg: vldo4 {
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <3300000>;
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
 				regulator-always-on;
 			};
 		};
-- 
2.11.0

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH] Modified imx7d-sdb.dts file so that VLDO4 provides 2.8V for MIPI CSI/DSI mindentropy <mindentropy@gmail.com> - 2017-06-28 20:00 +0200
  Re: [PATCH] Modified imx7d-sdb.dts file so that VLDO4 provides 2.8V  for MIPI CSI/DSI Fabio Estevam <festevam@gmail.com> - 2017-06-28 22:30 +0200
    [PATCH v2] ARM: dts: imx7d-sdb: Set VLDO4 outpt to 2.8V for MIPI CSI/DSI mindentropy <mindentropy@gmail.com> - 2017-07-01 09:50 +0200
      Re: [PATCH v2] ARM: dts: imx7d-sdb: Set VLDO4 outpt to 2.8V for MIPI CSI/DSI Fabio Estevam <festevam@gmail.com> - 2017-07-01 14:50 +0200

csiph-web