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] In case if you want I will resubmit a patch with subject line modified. 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-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
