From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nishanth Menon Subject: Re: [PATCH] ARM: dts: omap5-igep0050: Correct hdmi regulator Date: Thu, 12 May 2016 14:19:15 -0500 Message-ID: <5734D733.9060400@ti.com> References: <1461925297-9734-1-git-send-email-peter.ujfalusi@ti.com> <6ee9d67a-e907-715a-f3f5-d90a470314c3@ti.com> <20160504172634.GS5995@atomide.com> <572A38FD.9050801@ti.com> <20160505184609.GB5995@atomide.com> <2822D1C2B9B19F4A8261F756A13373F801BEF7B4@DFLE11.ent.ti.com> <2822D1C2B9B19F4A8261F756A13373F801BF86D2@DFLE11.ent.ti.com> <2822D1C2B9B19F4A8261F756A13373F801BF8703@DFLE11.ent.ti.com> <20160512165755.GR5995@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160512165755.GR5995@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren , Eduard Gavin Cc: Enric Balletbo i Serra , =?UTF-8?Q?Agust=c3=ad_Fontquerni?= , linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-omap@vger.kernel.org On 05/12/2016 11:57 AM, Tony Lindgren wrote: > * Eduard Gavin [160509 07:43]: >> Dear Nishanth, >> In igepV5 the LDO7 is connected to: >> VDDA_DSIPORTA - ball AA33 >> VDDA_DSIPORTC - ball AE33 >> VDDA_HDMI - ball AN25 >> LDO4 is connected to: >> VPP1 - ball AD9 > > Thanks for the info, here's an updated patch with comments and now > using 1.8V instead of the 2.0V omap5-board-common.dtsi. > > Regards, > > Tony > > 8< ----------------- > From: Tony Lindgren > Date: Mon, 9 May 2016 07:51:00 -0700 > Subject: [PATCH] ARM: dts: Fix ldo7 source for HDMI on igepv5 > > Fix ldo7 source for HDMI on igepv5. > > Suggested-by: Peter Ujfalusi > Signed-off-by: Tony Lindgren > > --- a/arch/arm/boot/dts/omap5-igep0050.dts > +++ b/arch/arm/boot/dts/omap5-igep0050.dts > @@ -35,6 +35,16 @@ > }; > }; > > +/* > + * LDO7 is used for HDMI: VDDA_DSIPORTA - ball AA33, VDDA_DSIPORTC - ball AE33 > + * VDDA_HDMI - ball AN25. LDO4 is: VPP1 - ball AD9. We should set ldo4_reg as 2v as well (default in omap5-board-common is 1.8v). VPP1 should be 2v to prevent efuse from being messed up. > + */ > +&ldo7_reg { > + status = "okay"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > +}; > + > &omap5_pmx_core { > i2c4_pins: pinmux_i2c4_pins { > pinctrl-single,pins = < > -- Regards, Nishanth Menon From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 12 May 2016 14:19:15 -0500 Subject: [PATCH] ARM: dts: omap5-igep0050: Correct hdmi regulator In-Reply-To: <20160512165755.GR5995@atomide.com> References: <1461925297-9734-1-git-send-email-peter.ujfalusi@ti.com> <6ee9d67a-e907-715a-f3f5-d90a470314c3@ti.com> <20160504172634.GS5995@atomide.com> <572A38FD.9050801@ti.com> <20160505184609.GB5995@atomide.com> <2822D1C2B9B19F4A8261F756A13373F801BEF7B4@DFLE11.ent.ti.com> <2822D1C2B9B19F4A8261F756A13373F801BF86D2@DFLE11.ent.ti.com> <2822D1C2B9B19F4A8261F756A13373F801BF8703@DFLE11.ent.ti.com> <20160512165755.GR5995@atomide.com> Message-ID: <5734D733.9060400@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 05/12/2016 11:57 AM, Tony Lindgren wrote: > * Eduard Gavin [160509 07:43]: >> Dear Nishanth, >> In igepV5 the LDO7 is connected to: >> VDDA_DSIPORTA - ball AA33 >> VDDA_DSIPORTC - ball AE33 >> VDDA_HDMI - ball AN25 >> LDO4 is connected to: >> VPP1 - ball AD9 > > Thanks for the info, here's an updated patch with comments and now > using 1.8V instead of the 2.0V omap5-board-common.dtsi. > > Regards, > > Tony > > 8< ----------------- > From: Tony Lindgren > Date: Mon, 9 May 2016 07:51:00 -0700 > Subject: [PATCH] ARM: dts: Fix ldo7 source for HDMI on igepv5 > > Fix ldo7 source for HDMI on igepv5. > > Suggested-by: Peter Ujfalusi > Signed-off-by: Tony Lindgren > > --- a/arch/arm/boot/dts/omap5-igep0050.dts > +++ b/arch/arm/boot/dts/omap5-igep0050.dts > @@ -35,6 +35,16 @@ > }; > }; > > +/* > + * LDO7 is used for HDMI: VDDA_DSIPORTA - ball AA33, VDDA_DSIPORTC - ball AE33 > + * VDDA_HDMI - ball AN25. LDO4 is: VPP1 - ball AD9. We should set ldo4_reg as 2v as well (default in omap5-board-common is 1.8v). VPP1 should be 2v to prevent efuse from being messed up. > + */ > +&ldo7_reg { > + status = "okay"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > +}; > + > &omap5_pmx_core { > i2c4_pins: pinmux_i2c4_pins { > pinctrl-single,pins = < > -- Regards, Nishanth Menon