From mboxrd@z Thu Jan 1 00:00:00 1970 From: kbeldan@baylibre.com (Karl Beldan) Date: Sat, 13 Aug 2016 11:27:40 +0000 Subject: [PATCH v2 3/4] ARM: dts: da850,da850-evm: Add an aemif node and use it for the NAND In-Reply-To: <20160810110032.29295-4-kbeldan@baylibre.com> References: <20160810110032.29295-1-kbeldan@baylibre.com> <20160810110032.29295-4-kbeldan@baylibre.com> Message-ID: <20160813112740.GA27739@gobelin> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Aug 10, 2016 at 11:00:31AM +0000, Karl Beldan wrote: > Currently the davinci da8xx boards use the mach-davinci aemif code. > Instantiating an aemif node into the DT allows to use the ti-aemif > memory driver and is another step to better DT support. > This change adds an aemif node in the dtsi while retiring the nand_cs3 > node. The NAND is now instantiated in the dts as a subnode of the aemif > one along with its pins. > > Signed-off-by: Karl Beldan > --- > arch/arm/boot/dts/da850-evm.dts | 49 ++++++++++++++++++++++++++++++++++++----- > arch/arm/boot/dts/da850.dtsi | 19 +++++++--------- > 2 files changed, 52 insertions(+), 16 deletions(-) > > diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts > index 1a15db8..eedcc59 100644 > --- a/arch/arm/boot/dts/da850-evm.dts > +++ b/arch/arm/boot/dts/da850-evm.dts > @@ -29,6 +29,20 @@ > 0x04 0x00011000 0x000ff000 > >; > }; > + nand_pins: nand_pins { > + pinctrl-single,bits = < > + /* EMA_WAIT[0], EMA_OE, EMA_WE, EMA_CS[4], EMA_CS[3] */ > + 0x1c 0x10110110 0xf0ff0ff0 > + /* > + * EMA_D[0], EMA_D[1], EMA_D[2], > + * EMA_D[3], EMA_D[4], EMA_D[5], > + * EMA_D[6], EMA_D[7] > + */ > + 0x24 0x11111111 0xffffffff > + /* EMA_A[1], EMA_A[2] */ > + 0x30 0x01100000 0x0ff00000 > + >; > + }; > }; > serial0: serial at 42000 { > status = "okay"; > @@ -131,11 +145,6 @@ > status = "okay"; > }; > }; > - nand_cs3 at 62000000 { > - status = "okay"; > - pinctrl-names = "default"; > - pinctrl-0 = <&nand_cs3_pins>; > - }; > vbat: fixedregulator at 0 { > compatible = "regulator-fixed"; > regulator-name = "vbat"; It has no functionnal impact but with this change nand_cs3_pins becomes useless and I forgot to get rid of it, so it'll make a v3. Karl