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. 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
