Messages in this thread | | | Date | Wed, 30 Aug 2017 16:44:09 +0200 | From | Maxime Ripard <> | Subject | Re: [RESEND PATCH 1/2] arm64: allwinner: a64: add SPI nodes |
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Hi Stefan,
On Tue, Aug 29, 2017 at 10:26:51PM +0200, Stefan Brüns wrote: > The A64 SPI controllers are register compatible to the h3/h5 SPI > controllers. > > The A64 has two SPI controllers, each with a single chip select. > The handles for the DMA channels (23/24 for SPI0/SPI1) are omitted, > as the A64 DMA controller node is currently missing. > > Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> > --- > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 40 +++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > index bd0f33b77f57..373cd14f0206 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > @@ -325,6 +325,16 @@ > drive-strength = <40>; > }; > > + spi0_pins: spi0 { > + pins = "PC0", "PC1", "PC2", "PC3"; > + function = "spi0"; > + }; > + > + spi1_pins: spi1 { > + pins = "PD0", "PD1", "PD2", "PD3"; > + function = "spi1"; > + }; > + > uart0_pins_a: uart0@0 { > pins = "PB8", "PB9"; > function = "uart0"; > @@ -527,5 +537,35 @@ > #address-cells = <1>; > #size-cells = <0>; > }; > + > + spi0: spi@01c68000 { > + compatible = "allwinner,sun8i-h3-spi"; > + reg = <0x01c68000 0x1000>; > + interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>; > + clock-names = "ahb", "mod"; > + pinctrl-names = "default"; > + pinctrl-0 = <&spi0_pins>; > + resets = <&ccu RST_BUS_SPI0>; > + status = "disabled"; > + num-cs = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > + > + spi1: spi@01c69000 { > + compatible = "allwinner,sun8i-h3-spi"; > + reg = <0x01c69000 0x1000>; > + interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>; > + clock-names = "ahb", "mod"; > + pinctrl-names = "default"; > + pinctrl-0 = <&spi1_pins>; > + resets = <&ccu RST_BUS_SPI1>; > + status = "disabled"; > + num-cs = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + };
Those nodes are ordered by ascending physical base address, so they belong a bit above were you placed them.
Maxime
-- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com [unhandled content-type:application/pgp-signature] | |