From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753677AbbICTYR (ORCPT ); Thu, 3 Sep 2015 15:24:17 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:53071 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752574AbbICTYP (ORCPT ); Thu, 3 Sep 2015 15:24:15 -0400 From: Nishanth Menon To: Tony Lindgren , =?UTF-8?q?Beno=C3=AEt=20Cousson?= CC: , , , , Tomi Valkeinen , Nishanth Menon Subject: [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies Date: Thu, 3 Sep 2015 14:23:45 -0500 Message-ID: <1441308226-26690-1-git-send-email-nm@ti.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Originally, all the SoC PHY rails were supplied by LDO3. However, as a result of characterization, it was determined that this posed a risk in extreme load conditions. Hence the PHY rails are split between two different LDOs. Update the related node as a result LDO3/VDDA_1V8_PHYA supplies vdda_usb1, vdda_usb2, vdda_sata, vdda_usb3 LDO4/VDDA_1V8_PHYB supplies vdda_pcie1, vdda_pcie0, vdda_hdmi, vdda_pcie NOTE: We break compatibility with pre-production boards with this change since, the PMIC LDO4 is disabled at OTP level. The new configuration is the plan of record and all pre-production boards are supposed to be replaced with the latest boards matching the mentioned configuration. Signed-off-by: Nishanth Menon --- arch/arm/boot/dts/am57xx-beagle-x15.dts | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 3a05b94f59ed..ede7fb73c717 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -432,7 +432,7 @@ }; ldo3_reg: ldo3 { - /* VDDA_1V8_PHY */ + /* VDDA_1V8_PHYA */ regulator-name = "ldo3"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -440,6 +440,15 @@ regulator-boot-on; }; + ldo4_reg: ldo4 { + /* VDDA_1V8_PHYB */ + regulator-name = "ldo4"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + ldo9_reg: ldo9 { /* VDD_RTC */ regulator-name = "ldo9"; @@ -681,7 +690,7 @@ &hdmi { status = "ok"; - vdda-supply = <&ldo3_reg>; + vdda-supply = <&ldo4_reg>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_pins>; -- 1.7.9.5 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nishanth Menon Subject: [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies Date: Thu, 3 Sep 2015 14:23:45 -0500 Message-ID: <1441308226-26690-1-git-send-email-nm@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren , =?UTF-8?q?Beno=C3=AEt=20Cousson?= Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-omap@vger.kernel.org, Tomi Valkeinen , Nishanth Menon List-Id: devicetree@vger.kernel.org Originally, all the SoC PHY rails were supplied by LDO3. However, as a result of characterization, it was determined that this posed a risk in extreme load conditions. Hence the PHY rails are split between two different LDOs. Update the related node as a result LDO3/VDDA_1V8_PHYA supplies vdda_usb1, vdda_usb2, vdda_sata, vdda_usb3 LDO4/VDDA_1V8_PHYB supplies vdda_pcie1, vdda_pcie0, vdda_hdmi, vdda_pcie NOTE: We break compatibility with pre-production boards with this change since, the PMIC LDO4 is disabled at OTP level. The new configuration is the plan of record and all pre-production boards are supposed to be replaced with the latest boards matching the mentioned configuration. Signed-off-by: Nishanth Menon --- arch/arm/boot/dts/am57xx-beagle-x15.dts | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 3a05b94f59ed..ede7fb73c717 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -432,7 +432,7 @@ }; ldo3_reg: ldo3 { - /* VDDA_1V8_PHY */ + /* VDDA_1V8_PHYA */ regulator-name = "ldo3"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -440,6 +440,15 @@ regulator-boot-on; }; + ldo4_reg: ldo4 { + /* VDDA_1V8_PHYB */ + regulator-name = "ldo4"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + ldo9_reg: ldo9 { /* VDD_RTC */ regulator-name = "ldo9"; @@ -681,7 +690,7 @@ &hdmi { status = "ok"; - vdda-supply = <&ldo3_reg>; + vdda-supply = <&ldo4_reg>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_pins>; -- 1.7.9.5 From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 3 Sep 2015 14:23:45 -0500 Subject: [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies Message-ID: <1441308226-26690-1-git-send-email-nm@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Originally, all the SoC PHY rails were supplied by LDO3. However, as a result of characterization, it was determined that this posed a risk in extreme load conditions. Hence the PHY rails are split between two different LDOs. Update the related node as a result LDO3/VDDA_1V8_PHYA supplies vdda_usb1, vdda_usb2, vdda_sata, vdda_usb3 LDO4/VDDA_1V8_PHYB supplies vdda_pcie1, vdda_pcie0, vdda_hdmi, vdda_pcie NOTE: We break compatibility with pre-production boards with this change since, the PMIC LDO4 is disabled at OTP level. The new configuration is the plan of record and all pre-production boards are supposed to be replaced with the latest boards matching the mentioned configuration. Signed-off-by: Nishanth Menon --- arch/arm/boot/dts/am57xx-beagle-x15.dts | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 3a05b94f59ed..ede7fb73c717 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -432,7 +432,7 @@ }; ldo3_reg: ldo3 { - /* VDDA_1V8_PHY */ + /* VDDA_1V8_PHYA */ regulator-name = "ldo3"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -440,6 +440,15 @@ regulator-boot-on; }; + ldo4_reg: ldo4 { + /* VDDA_1V8_PHYB */ + regulator-name = "ldo4"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + ldo9_reg: ldo9 { /* VDD_RTC */ regulator-name = "ldo9"; @@ -681,7 +690,7 @@ &hdmi { status = "ok"; - vdda-supply = <&ldo3_reg>; + vdda-supply = <&ldo4_reg>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_pins>; -- 1.7.9.5