On Wed, Oct 31, 2012 at 16:05:13, Cousson, Benoit wrote: > > On 10/31/2012 11:16 AM, Benoit Cousson wrote: > > Hi Avinash, > > > > On 10/30/2012 10:41 AM, Philip, Avinash wrote: > >> On Mon, Oct 29, 2012 at 14:40:02, Philip, Avinash wrote: > >>> On Thu, Oct 18, 2012 at 18:56:55, Porter, Matt wrote: > >>>> Adds AM33XX SPI support for am335x-bone and am335x-evm. > >> > >> Matt, > >> > >> Can you build SPI DT patch with DMA support on top of SPI DT patch > >> I submitted [1]. With the patch [1] SPI can work on PIO mode. > >> So we can have basic SPI support available in 3.8. > >> > >> Benoit, > >> Can you accept the SPI DT patch [1] > > > > Yes, I've just applied it in for_3.8/dts branch > > Well, in fact I did not, it does not apply :-( > > Can you rebase on top of the for_3.8/dts branch? I've just applied the > RTC patch on top that was OK. Ok. Thanks Avinash > > Thanks, > Benoit > > > > >> In case if you want I will resubmit a patch with subject line modified. > > > > No, that's fine. > > > > Thanks, > > Benoit > > > >> > >> Current subject line > >> arm/dts: AM33XX: Add SPI device tree data > >> > >> 1. https://patchwork.kernel.org/patch/1470661/ > >> > >> Thanks > >> Avinash > >> > >>>> > >>>> Signed-off-by: Matt Porter <mporter@xxxxxx> > >>>> --- > >>>> arch/arm/boot/dts/am335x-bone.dts | 17 +++++++++++++++ > >>>> arch/arm/boot/dts/am335x-evm.dts | 9 ++++++++ > >>>> arch/arm/boot/dts/am33xx.dtsi | 43 +++++++++++++++++++++++++++++++++++++ > >>>> 3 files changed, 69 insertions(+) > >>>> > >>>> diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts > >>>> index 5510979..23edfd8 100644 > >>>> --- a/arch/arm/boot/dts/am335x-bone.dts > >>>> +++ b/arch/arm/boot/dts/am335x-bone.dts > >>>> @@ -18,6 +18,17 @@ > >>>> reg = <0x80000000 0x10000000>; /* 256 MB */ > >>>> }; > >>>> > >>>> + am3358_pinmux: pinmux@44e10800 { > >>>> + spi1_pins: pinmux_spi1_pins { > >>>> + pinctrl-single,pins = < > >>>> + 0x190 0x13 /* mcasp0_aclkx.spi1_sclk, OUTPUT_PULLUP | MODE3 */ > >>>> + 0x194 0x33 /* mcasp0_fsx.spi1_d0, INPUT_PULLUP | MODE3 */ > >>>> + 0x198 0x13 /* mcasp0_axr0.spi1_d1, OUTPUT_PULLUP | MODE3 */ > >>>> + 0x19c 0x13 /* mcasp0_ahclkr.spi1_cs0, OUTPUT_PULLUP | MODE3 */ > >>>> + >; > >>>> + }; > >>>> + }; > >>>> + > >>> > >>> Change to am33xx_pinmux. > >>> > >>>> ocp { > >>>> uart1: serial@44e09000 { > >>>> status = "okay"; > >>>> @@ -84,3 +95,9 @@ > >>>> &mmc1 { > >>>> vmmc-supply = <&ldo3_reg>; > >>>> }; > >>>> + > >>>> +&spi1 { > >>>> + status = "okay"; > >>>> + pinctrl-names = "default"; > >>>> + pinctrl-0 = <&spi1_pins>; > >>>> +}; > >>>> diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts > >>>> index d63fce8..8d5f660 100644 > >>>> --- a/arch/arm/boot/dts/am335x-evm.dts > >>>> +++ b/arch/arm/boot/dts/am335x-evm.dts > >>>> @@ -124,3 +124,12 @@ > >>>> &mmc1 { > >>>> vmmc-supply = <&vmmc_reg>; > >>>> }; > >>>> + > >>>> +&spi0 { > >>>> + status = "okay"; > >>>> + spi-flash@0 { > >>>> + compatible = "spansion,s25fl064k", "m25p80"; > >>>> + spi-max-frequency = <24000000>; > >>>> + reg = <0>; > >>>> + }; > >>>> +}; > >>> > >>> In AM335x-evm, SPI flash available in profile #2 (am335x evm specific profiles). > >>> So can you drop this changes as if I understood correctly, am335x-evm.dts will be > >>> populated for devices present only on profile #0. > >>> > >>>> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi > >>>> index 26a6af7..063ecea 100644 > >>>> --- a/arch/arm/boot/dts/am33xx.dtsi > >>>> +++ b/arch/arm/boot/dts/am33xx.dtsi > >>>> @@ -40,6 +40,15 @@ > >>>> }; > >>>> }; > >>>> > >>>> + am3358_pinmux: pinmux@44e10800 { > >>>> + compatible = "pinctrl-single"; > >>>> + reg = <0x44e10800 0x0238>; > >>>> + #address-cells = <1>; > >>>> + #size-cells = <0>; > >>>> + pinctrl-single,register-width = <32>; > >>>> + pinctrl-single,function-mask = <0x7f>; > >>>> + }; > >>>> + > >>> > >>> Pin ctrl support already submitted > >>> http://git.kernel.org/?p=linux/kernel/git/bcousson/linux-omap-dt.git;a=commitdiff;h=3e0603e905d9ba662e8c1885ecb1d28bc454e448 > >>> > >>> Thanks > >>> Avinash > >>> > >>>> /* > >>>> * XXX: Use a flat representation of the AM33XX interconnect. > >>>> * The real AM33XX interconnect network is quite complex.Since > >>>> @@ -261,6 +270,40 @@ > >>>> status = "disabled"; > >>>> }; > >>>> > >>>> + spi0: spi@48030000 { > >>>> + compatible = "ti,omap4-mcspi"; > >>>> + ti,hwmods = "spi0"; > >>>> + #address-cells = <1>; > >>>> + #size-cells = <0>; > >>>> + reg = <0x48030000 0x400>; > >>>> + interrupt-parent = <&intc>; > >>>> + interrupt = <65>; > >>>> + dmas = <&edma 16 > >>>> + &edma 17 > >>>> + &edma 18 > >>>> + &edma 19>; > >>>> + dma-names = "tx0", "rx0", "tx1", "rx1"; > >>>> + ti,spi-num-cs = <2>; > >>>> + status = "disabled"; > >>>> + }; > >>>> + > >>>> + spi1: spi@481a0000 { > >>>> + compatible = "ti,omap4-mcspi"; > >>>> + ti,hwmods = "spi1"; > >>>> + #address-cells = <1>; > >>>> + #size-cells = <0>; > >>>> + reg = <0x481a0000 0x400>; > >>>> + interrupt-parent = <&intc>; > >>>> + interrupt = <125>; > >>>> + dmas = <&edma 42 > >>>> + &edma 43 > >>>> + &edma 44 > >>>> + &edma 45>; > >>>> + dma-names = "tx0", "rx0", "tx1", "rx1"; > >>>> + ti,spi-num-cs = <2>; > >>>> + status = "disabled"; > >>>> + }; > >>>> + > >>>> wdt2: wdt@44e35000 { > >>>> compatible = "ti,omap3-wdt"; > >>>> ti,hwmods = "wd_timer2"; > >>>> -- > >>>> 1.7.9.5 > >>>> > >>>> > >>>> _______________________________________________ > >>>> linux-arm-kernel mailing list > >>>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > >>>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > >>>> > >>> > >>> > >> > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
