From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: [PATCH 7/7] ARM: tegra: dalmore - Add DSI power supply
Date: Fri, 25 Apr 2014 17:44:51 +0200 [thread overview]
Message-ID: <1398440691-23366-8-git-send-email-thierry.reding@gmail.com> (raw)
In-Reply-To: <1398440691-23366-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
The 1.2V supply for CSI and DSI was previously marked always-on. This is
suboptimal because it prevents the supply from being disabled when there
is no activity in the display or capture paths that it powers.
Hook up the regulator to the DSI output and mark it as not always-on, so
that it will only be enabled when DSI actually needs it.
Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
arch/arm/boot/dts/tegra114-dalmore.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 1309c75c821c..9cd09b63b900 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -37,6 +37,8 @@
dsi@54300000 {
status = "okay";
+ avdd-dsi-csi-supply = <&avdd_1v2_reg>;
+
panel@0 {
compatible = "panasonic,vvx10f004b00",
"simple-panel";
@@ -983,12 +985,10 @@
regulator-max-microvolt = <2800000>;
};
- ldo3 {
+ avdd_1v2_reg: ldo3 {
regulator-name = "avdd-dsi-csi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
- regulator-always-on;
- regulator-boot-on;
};
ldo4 {
--
1.9.2
WARNING: multiple messages have this Message-ID (diff)
From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/7] ARM: tegra: dalmore - Add DSI power supply
Date: Fri, 25 Apr 2014 17:44:51 +0200 [thread overview]
Message-ID: <1398440691-23366-8-git-send-email-thierry.reding@gmail.com> (raw)
In-Reply-To: <1398440691-23366-1-git-send-email-thierry.reding@gmail.com>
From: Thierry Reding <treding@nvidia.com>
The 1.2V supply for CSI and DSI was previously marked always-on. This is
suboptimal because it prevents the supply from being disabled when there
is no activity in the display or capture paths that it powers.
Hook up the regulator to the DSI output and mark it as not always-on, so
that it will only be enabled when DSI actually needs it.
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
arch/arm/boot/dts/tegra114-dalmore.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 1309c75c821c..9cd09b63b900 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -37,6 +37,8 @@
dsi at 54300000 {
status = "okay";
+ avdd-dsi-csi-supply = <&avdd_1v2_reg>;
+
panel at 0 {
compatible = "panasonic,vvx10f004b00",
"simple-panel";
@@ -983,12 +985,10 @@
regulator-max-microvolt = <2800000>;
};
- ldo3 {
+ avdd_1v2_reg: ldo3 {
regulator-name = "avdd-dsi-csi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
- regulator-always-on;
- regulator-boot-on;
};
ldo4 {
--
1.9.2
next prev parent reply other threads:[~2014-04-25 15:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-25 15:44 [PATCH 0/7] ARM: tegra: HDMI and DSI updates Thierry Reding
2014-04-25 15:44 ` Thierry Reding
[not found] ` <1398440691-23366-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-04-25 15:44 ` [PATCH 1/7] ARM: tegra: Add Tegra124 HDMI support Thierry Reding
2014-04-25 15:44 ` Thierry Reding
2014-04-25 15:44 ` [PATCH 2/7] ARM: tegra: venice2 - Enable HDMI Thierry Reding
2014-04-25 15:44 ` Thierry Reding
2014-04-25 15:44 ` [PATCH 3/7] ARM: tegra: jetson-tk1 - Enable HDMI support Thierry Reding
2014-04-25 15:44 ` Thierry Reding
2014-04-25 15:44 ` [PATCH 4/7] ARM: tegra: harmony - Add +5V HDMI supply Thierry Reding
2014-04-25 15:44 ` Thierry Reding
2014-04-25 15:44 ` [PATCH 5/7] ARM: tegra: beaver " Thierry Reding
2014-04-25 15:44 ` Thierry Reding
2014-04-25 15:44 ` [PATCH 6/7] ARM: tegra: dalmore " Thierry Reding
2014-04-25 15:44 ` Thierry Reding
2014-04-25 15:44 ` Thierry Reding [this message]
2014-04-25 15:44 ` [PATCH 7/7] ARM: tegra: dalmore - Add DSI power supply Thierry Reding
2014-04-28 16:04 ` [PATCH 0/7] ARM: tegra: HDMI and DSI updates Stephen Warren
2014-04-28 16:04 ` Stephen Warren
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