From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: Re: [PATCH 7/7] ARM: dts: Enable emmc on hp t410 Date: Fri, 4 Dec 2015 11:20:57 +0200 Message-ID: <56615AF9.5000208@ti.com> References: <1449192335-10137-1-git-send-email-tony@atomide.com> <1449192335-10137-8-git-send-email-tony@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <1449192335-10137-8-git-send-email-tony@atomide.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren , linux-omap@vger.kernel.org Cc: Matthijs van Duin , Neil Armstrong , Philipp Rosenberger , Delio Brignoli , Brian Hutchinson , linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org On 12/04/2015 03:25 AM, Tony Lindgren wrote: > There's a 2GB emmc on hp t410 that's wired to the sd_2 interface. > Note that we also need to configure the evtmux using edma_xbar for > edma channels. > = > Signed-off-by: Tony Lindgren One question inlined for the mmc3, other than that: Reviewed-by: Peter Ujfalusi > --- > arch/arm/boot/dts/dm8148-t410.dts | 35 +++++++++++++++++++++++++++++++++= ++ > 1 file changed, 35 insertions(+) > = > diff --git a/arch/arm/boot/dts/dm8148-t410.dts b/arch/arm/boot/dts/dm8148= -t410.dts > index 79838dd..d1927a7 100644 > --- a/arch/arm/boot/dts/dm8148-t410.dts > +++ b/arch/arm/boot/dts/dm8148-t410.dts > @@ -15,6 +15,13 @@ > device_type =3D "memory"; > reg =3D <0x80000000 0x40000000>; /* 1 GB */ > }; > + > + vmmcsd_fixed: fixedregulator@0 { > + compatible =3D "regulator-fixed"; > + regulator-name =3D "vmmcsd_fixed"; > + regulator-min-microvolt =3D <3300000>; > + regulator-max-microvolt =3D <3300000>; > + }; > }; > = > &cpsw_emac0 { > @@ -26,3 +33,31 @@ > phy_id =3D <&davinci_mdio>, <1>; > phy-mode =3D "rgmii"; > }; > + > +&mmc3 { > + pinctrl-names =3D "default"; > + pinctrl-0 =3D <&sd2_pins>; > + vmmc-supply =3D <&vmmcsd_fixed>; > + bus-width =3D <8>; > + dmas =3D <&edma_xbar 8 0 1 /* use SDTXEVT1 instead of MCASP0TX */ > + &edma_xbar 9 0 2>; /* use SDRXEVT1 instead of MCASP0RX */ > + dma-names =3D "tx", "rx"; Do you happened to know how the audio is connected on the board? The DM814x-EVM seams to be using McASP2 with aic3106 so it is possible that= HP copied the design from there... > +}; > + > +&pincntl { > + sd2_pins: pinmux_sd2_pins { > + pinctrl-single,pins =3D < > + DM814X_IOPAD(0x09c0, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[7] */ > + DM814X_IOPAD(0x09c4, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[6] */ > + DM814X_IOPAD(0x09c8, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[5] */ > + DM814X_IOPAD(0x09cc, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[4] */ > + DM814X_IOPAD(0x09d0, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[3] */ > + DM814X_IOPAD(0x09d4, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[2] */ > + DM814X_IOPAD(0x09d8, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[1] */ > + DM814X_IOPAD(0x09dc, PIN_INPUT_PULLUP | 0x1) /* SD2_DAT[0] */ > + DM814X_IOPAD(0x09e0, PIN_INPUT | 0x1) /* SD2_CLK */ > + DM814X_IOPAD(0x09f4, PIN_INPUT_PULLUP | 0x2) /* SD2_CMD */ > + DM814X_IOPAD(0x0920, PIN_INPUT | 40) /* SD2_SDCD */ > + >; > + }; > +}; > = -- = P=E9ter