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https://github.com/brain-hackers/u-boot-brain
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3ddc1c7bd3
At present this GPIO driver still uses the legacy PCI API. Now that we have proper PCH drivers we can use those to obtain the information we need. While the device tree has nodes for the GPIO peripheral it is not in the right place. It should be on the PCI bus as a sub-peripheral of the PCH device. Update the device tree files to show the GPIO controller within the PCH, so that PCI access works as expected. This also adds '#address-cells' and '#size-cells' to the PCH node. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>
87 lines
1.5 KiB
Plaintext
87 lines
1.5 KiB
Plaintext
/dts-v1/;
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/include/ "skeleton.dtsi"
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/include/ "serial.dtsi"
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/include/ "rtc.dtsi"
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/include/ "tsc_timer.dtsi"
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/ {
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model = "Google Panther";
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compatible = "google,panther", "intel,haswell";
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aliases {
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spi0 = &spi;
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};
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config {
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silent-console = <0>;
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no-keyboard;
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};
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chosen {
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stdout-path = "/serial";
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};
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pci {
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compatible = "pci-x86";
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#address-cells = <3>;
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#size-cells = <2>;
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u-boot,dm-pre-reloc;
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ranges = <0x02000000 0x0 0xe0000000 0xe0000000 0 0x10000000
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0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
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0x01000000 0x0 0x1000 0x1000 0 0xf000>;
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pch@1f,0 {
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reg = <0x0000f800 0 0 0 0>;
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compatible = "intel,pch9";
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#address-cells = <1>;
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#size-cells = <1>;
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spi: spi {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "intel,ich9-spi";
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spi-flash@0 {
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#size-cells = <1>;
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#address-cells = <1>;
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reg = <0>;
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compatible = "winbond,w25q64",
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"spi-flash";
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memory-map = <0xff800000 0x00800000>;
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rw-mrc-cache {
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label = "rw-mrc-cache";
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reg = <0x003e0000 0x00010000>;
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};
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};
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};
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gpioa {
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compatible = "intel,ich6-gpio";
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u-boot,dm-pre-reloc;
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reg = <0 0x10>;
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bank-name = "A";
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};
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gpiob {
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compatible = "intel,ich6-gpio";
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u-boot,dm-pre-reloc;
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reg = <0x30 0x10>;
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bank-name = "B";
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};
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gpioc {
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compatible = "intel,ich6-gpio";
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u-boot,dm-pre-reloc;
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reg = <0x40 0x10>;
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bank-name = "C";
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};
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};
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};
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tpm {
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reg = <0xfed40000 0x5000>;
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compatible = "infineon,slb9635lpc";
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};
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};
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