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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-07-24 14:24:04 +1000 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2018-12-03 09:13:52 +1030 |
| commit | fad06e25b04b1090c21b2be4343cf7ee07f02ab5 (patch) | |
| tree | e240cb8328552504015cd6ec57f186aa3f368657 | |
| parent | d776dd52247c2b82e719403fab9a755cf22bd258 (diff) | |
| download | lwn-fad06e25b04b1090c21b2be4343cf7ee07f02ab5.tar.gz lwn-fad06e25b04b1090c21b2be4343cf7ee07f02ab5.zip | |
ARM: dts: aspeed: Palmetto system can use coprocessor for FSI
This allows userspace to switch away from bitbanging to use kernel
FSI with the coprocessor.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
| -rw-r--r-- | arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts index c7084a819dc6..e6cfdf3c1a67 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts @@ -26,6 +26,11 @@ no-map; reg = <0x5f000000 0x01000000>; /* 16M */ }; + + coldfire_memory: codefire_memory@5ee00000 { + reg = <0x5ee00000 0x00200000>; + no-map; + }; }; leds { @@ -44,6 +49,22 @@ }; }; + fsi: gpio-fsi { + compatible = "aspeed,ast2400-cf-fsi-master", "fsi-master"; + #address-cells = <2>; + #size-cells = <0>; + + memory-region = <&coldfire_memory>; + aspeed,sram = <&sram>; + aspeed,cvic = <&cvic>; + + clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>; + data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>; + mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>; + enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>; + trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>; + }; + gpio-keys { compatible = "gpio-keys"; @@ -303,13 +324,6 @@ line-name = "SYS_PWROK_BMC"; }; - pin_gpio_h6 { - gpio-hog; - gpios = <ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>; - output-high; - line-name = "SCM1_FSI0_DATA_EN"; - }; - pin_gpio_h7 { gpio-hog; gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>; |