diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2021-07-26 11:27:49 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-08-09 02:55:39 +0300 |
| commit | 16d8d49b567bcb52621a7b4b25ea66d9cd71d425 (patch) | |
| tree | b4fd8a97f7c7f6aea4ca99d3662e8a69cff701c5 /arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts | |
| parent | ae751e6325c0e95bfd8b1b41ada3789e047c4950 (diff) | |
| download | linux-16d8d49b567bcb52621a7b4b25ea66d9cd71d425.tar.xz | |
ARM: dts: ixp4xx: Add CF to GW2358
This adds support for the compact flash card slot on the
Gateworks GW2358 router.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts')
| -rw-r--r-- | arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts index 1a2f9a808270..84e6aec8e665 100644 --- a/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts +++ b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts @@ -95,6 +95,29 @@ fis-index-block = <0xff>; }; }; + ide@3,0 { + compatible = "intel,ixp4xx-compact-flash"; + /* + * Set up expansion bus config to a really slow timing. + * The CF driver will dynamically reconfigure these timings + * depending on selected PIO mode (0-4). + */ + intel,ixp4xx-eb-t1 = <3>; // 3 cycles extra address phase + intel,ixp4xx-eb-t2 = <3>; // 3 cycles extra setup phase + intel,ixp4xx-eb-t3 = <15>; // 15 cycles extra strobe phase + intel,ixp4xx-eb-t4 = <3>; // 3 cycles extra hold phase + intel,ixp4xx-eb-t5 = <15>; // 15 cycles extra recovery phase + intel,ixp4xx-eb-cycle-type = <0>; // Intel cycle type + intel,ixp4xx-eb-byte-access-on-halfword = <1>; + intel,ixp4xx-eb-mux-address-and-data = <0>; + intel,ixp4xx-eb-ahb-split-transfers = <0>; + intel,ixp4xx-eb-write-enable = <1>; + intel,ixp4xx-eb-byte-access = <1>; + /* First register set is CMD second is CTL */ + reg = <3 0xe00000 0x40000>, <3 0xe40000 0x40000>; + interrupt-parent = <&gpio0>; + interrupts = <12 IRQ_TYPE_EDGE_RISING>; + }; }; pci@c0000000 { |