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Date: Mon, 30 Nov 2020 18:08:25 -0600 From: Adam Ford <aford173@...il.com> To: arm-soc <linux-arm-kernel@...ts.infradead.org> Cc: Adam Ford-BE <aford@...conembedded.com>, Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>, devicetree <devicetree@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH V4 2/5] arm64: dts: imx8mn: Enable Asynchronous Sample Rate Converter On Wed, Nov 18, 2020 at 5:13 PM Adam Ford <aford173@...il.com> wrote: > > On Sat, Nov 7, 2020 at 5:58 AM Adam Ford <aford173@...il.com> wrote: > > > > The driver exists for the Enhanced Asynchronous Sample Rate Converter > > (EASRC) Controller, but there isn't a device tree entry for it. > > > > On the vendor kernel, they put this on a spba-bus for SDMA support. > > > > Add the node for the spba-bus with the easrc node inside. > > > > Signed-off-by: Adam Ford <aford173@...il.com> > > Shawn, > > I split the dt-binding into a separate patch since I was struggling > with checking the yaml syntax. Rob helped me find the proper branch > to use. I hope it goes through this time. > > Do you have any comments on the rest of the series? I would like to > fix them if you have any concerns so I can resend if/when the > dt-binding is accepted. Shawn, The dt-binding was accepted per [1]. How do you want me to proceed for the rest of the series? I can resend the other parts without the dt-binding if you like. thanks, adam [1] - https://lkml.org/lkml/2020/11/30/1211 > > thanks, > > adam > > > --- > > V4: No change > > V3: Change spba-bus@...00000 to spba: bus@...00000 > > V2: Make the DT node more in-line with the dt binding and remove > > vendor customizations that are not applicable. > > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 28 +++++++++++++++++++++++ > > 1 file changed, 28 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > > index a06d2a6268e6..61560c083300 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > > @@ -253,6 +253,34 @@ aips1: bus@...00000 { > > #size-cells = <1>; > > ranges; > > > > + spba: bus@...00000 { > > + compatible = "fsl,spba-bus", "simple-bus"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + reg = <0x30000000 0x100000>; > > + ranges; > > + > > + easrc: easrc@...c0000 { > > + compatible = "fsl,imx8mn-easrc"; > > + reg = <0x300c0000 0x10000>; > > + interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&clk IMX8MN_CLK_ASRC_ROOT>; > > + clock-names = "mem"; > > + dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>, > > + <&sdma2 18 23 0> , <&sdma2 19 23 0>, > > + <&sdma2 20 23 0> , <&sdma2 21 23 0>, > > + <&sdma2 22 23 0> , <&sdma2 23 23 0>; > > + dma-names = "ctx0_rx", "ctx0_tx", > > + "ctx1_rx", "ctx1_tx", > > + "ctx2_rx", "ctx2_tx", > > + "ctx3_rx", "ctx3_tx"; > > + firmware-name = "imx/easrc/easrc-imx8mn.bin"; > > + fsl,asrc-rate = <8000>; > > + fsl,asrc-format = <2>; > > + status = "disabled"; > > + }; > > + }; > > + > > gpio1: gpio@...00000 { > > compatible = "fsl,imx8mn-gpio", "fsl,imx35-gpio"; > > reg = <0x30200000 0x10000>; > > -- > > 2.25.1 > >
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