Messages in this thread | | | Date | Tue, 22 Mar 2022 13:05:29 +0000 | Subject | Re: [PATCH v11 2/7] MIPS: Loongson64: dts: introduce ls3A4000 evaluation board | From | Jiaxun Yang <> |
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在 2022/3/21 16:29, Sui Jingfeng 写道: > From: suijingfeng <suijingfeng@loongson.cn> > > The board name is LS3A4000_7A1000_EVB_BOARD_V1.4, it consist of 1.8Ghz > mips64r5 4-core CPU and LS7A1000 bridge chip. It has PCIe GEN2 x8 slot, > therefore can play with discrete graphics card.
Hi Jingfeng,
As we've discussed before if you are going to introduce new dts then you *MUST* include it in makefile and wire it up in code.
A dts file doing nothing lying in the tree is just suspicious.
Thanks. - Jiaxun
> > While the integrated display copntroller is equipped with a VGA output > and a DVI output, the VGA is connect to the DVO0 output port of the > display controller, the DVI is connected to DVO1 output port of the > display controller. > > +------+ +-----------------------------------+ > | DDR4 | | +-------------------+ | > +------+ | | PCIe Root complex | LS7A1000 | > || MC0 | +--++---------++----+ | > +----------+ HT 3.0 | || || | > | LS3A4000 |<-------->| +---++---+ +--++--+ +---------+ +------+ > | CPU |<-------->| | GC1000 | | LSDC |<-->| DDR3 MC |<->| VRAM | > +----------+ | +--------+ +-+--+-+ +---------+ +------+ > || MC1 +---------------|--|----------------+ > +------+ | | > | DDR4 | +-------+ DVO0 | | DVO1 +------+ > +------+ VGA <--|ADV7125|<--------+ +-------->|TFP410|--> DVI/HDMI > +-------+ +------+ > > Signed-off-by: suijingfeng <suijingfeng@loongson.cn> > Signed-off-by: Sui Jingfeng <15330273260@189.cn> > --- > .../boot/dts/loongson/ls3a4000_7a1000_evb.dts | 136 ++++++++++++++++++ > 1 file changed, 136 insertions(+) > create mode 100644 arch/mips/boot/dts/loongson/ls3a4000_7a1000_evb.dts > > diff --git a/arch/mips/boot/dts/loongson/ls3a4000_7a1000_evb.dts b/arch/mips/boot/dts/loongson/ls3a4000_7a1000_evb.dts > new file mode 100644 > index 000000000000..f467eddccdac > --- /dev/null > +++ b/arch/mips/boot/dts/loongson/ls3a4000_7a1000_evb.dts > @@ -0,0 +1,136 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +/dts-v1/; > + > +#include "loongson64g-package.dtsi" > +#include "ls7a-pch.dtsi" > + > +/ { > + compatible = "loongson,loongson64g-4core-ls7a"; > + model = "LS3A4000_7A1000_EVB_BOARD_V1.4"; > + > + vga-encoder { > + compatible = "adi,adv7123", "dumb-vga-dac"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + adv7123_in: endpoint { > + remote-endpoint = <&dc_out_rgb0>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + adv7123_out: endpoint { > + remote-endpoint = <&vga_connector_in>; > + }; > + }; > + }; > + }; > + > + vga-connector { > + compatible = "vga-connector"; > + label = "vga"; > + > + ddc-i2c-bus = <&i2c6>; > + > + port { > + vga_connector_in: endpoint { > + remote-endpoint = <&adv7123_out>; > + }; > + }; > + }; > + > + tfp410: dvi-encoder { > + compatible = "ti,tfp410"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + tfp410_in: endpoint { > + pclk-sample = <1>; > + bus-width = <24>; > + remote-endpoint = <&dc_out_rgb1>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + tfp410_out: endpoint { > + remote-endpoint = <&dvi_connector_in>; > + }; > + }; > + }; > + }; > + > + dvi-connector { > + compatible = "dvi-connector"; > + label = "dvi"; > + digital; > + > + ddc-i2c-bus = <&i2c7>; > + > + port { > + dvi_connector_in: endpoint { > + remote-endpoint = <&tfp410_out>; > + }; > + }; > + }; > +}; > + > +&package0 { > + htvec: interrupt-controller@efdfb000080 { > + compatible = "loongson,htvec-1.0"; > + reg = <0xefd 0xfb000080 0x40>; > + interrupt-controller; > + #interrupt-cells = <1>; > + > + interrupt-parent = <&liointc>; > + interrupts = <24 IRQ_TYPE_LEVEL_HIGH>, > + <25 IRQ_TYPE_LEVEL_HIGH>, > + <26 IRQ_TYPE_LEVEL_HIGH>, > + <27 IRQ_TYPE_LEVEL_HIGH>, > + <28 IRQ_TYPE_LEVEL_HIGH>, > + <29 IRQ_TYPE_LEVEL_HIGH>, > + <30 IRQ_TYPE_LEVEL_HIGH>, > + <31 IRQ_TYPE_LEVEL_HIGH>; > + }; > +}; > + > +&pch { > + msi: msi-controller@2ff00000 { > + compatible = "loongson,pch-msi-1.0"; > + reg = <0 0x2ff00000 0 0x8>; > + interrupt-controller; > + msi-controller; > + loongson,msi-base-vec = <64>; > + loongson,msi-num-vecs = <192>; > + interrupt-parent = <&htvec>; > + }; > +}; > + > +&lsdc { > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + endpoint { > + remote-endpoint = <&adv7123_in>; > + }; > + }; > + > + port@1 { > + endpoint { > + remote-endpoint = <&tfp410_in>; > + }; > + }; > + }; > +};
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