Add eSPI nodes for the device tree of Aspeed 6th generation SoCs. Signed-off-by: Chia-Wei, Wang <chiawei_wang@xxxxxxxxxxxxxx> --- arch/arm/boot/dts/aspeed-g6.dtsi | 57 ++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi index 810b0676ab03..d457baf11e37 100644 --- a/arch/arm/boot/dts/aspeed-g6.dtsi +++ b/arch/arm/boot/dts/aspeed-g6.dtsi @@ -3,7 +3,9 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h> +#include <dt-bindings/interrupt-controller/aspeed-espi-ic.h> #include <dt-bindings/clock/ast2600-clock.h> +#include <dt-bindings/gpio/aspeed-gpio.h> / { model = "Aspeed BMC"; @@ -75,6 +77,61 @@ interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; }; + espi: espi@1e6ee000 { + compatible = "aspeed,ast2600-espi", "simple-mfd", "syscon"; + reg = <0x1e6ee000 0x1000>; + + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x1e6ee000 0x1000>; + + espi_ic: espi-ic { + #interrupt-cells = <1>; + compatible = "aspeed,ast2600-espi-ic"; + interrupts-extended = <&gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>, + <&gpio0 ASPEED_GPIO(W, 7) IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + status = "disabled"; + }; + + espi_ctrl: espi-ctrl { + compatible = "aspeed,ast2600-espi-ctrl"; + interrupts-extended = <&espi_ic ASPEED_ESPI_IC_CTRL_EVENT>, + <&espi_ic ASPEED_ESPI_IC_CTRL_RESET>; + clocks = <&syscon ASPEED_CLK_GATE_ESPICLK>; + resets = <&syscon ASPEED_RESET_ESPI>; + status = "disabled"; + }; + + espi_peripheral: espi-peripheral-channel { + compatible = "aspeed,ast2600-espi-peripheral"; + interrupts-extended = <&espi_ic ASPEED_ESPI_IC_PERIF_EVENT>, + <&espi_ic ASPEED_ESPI_IC_CHAN_RESET>; + status = "disabled"; + }; + + espi_vw: espi-vw-channel { + compatible = "aspeed,ast2600-espi-vw"; + interrupts-extended = <&espi_ic ASPEED_ESPI_IC_VW_EVENT>, + <&espi_ic ASPEED_ESPI_IC_CHAN_RESET>; + status = "disabled"; + }; + + espi_oob: espi-oob-channel { + compatible = "aspeed,ast2600-espi-oob"; + interrupts-extended = <&espi_ic ASPEED_ESPI_IC_OOB_EVENT>, + <&espi_ic ASPEED_ESPI_IC_CHAN_RESET>; + status = "disabled"; + }; + + espi_flash: espi-flash-channel { + compatible = "aspeed,ast2600-espi-flash"; + interrupts-extended = <&espi_ic ASPEED_ESPI_IC_FLASH_EVENT>, + <&espi_ic ASPEED_ESPI_IC_CHAN_RESET>; + status = "disabled"; + }; + }; + ahb { compatible = "simple-bus"; #address-cells = <1>; -- 2.17.1