[PATCH v2 linux dev-5.3 3/4] ARM: dts: aspeed-g6: Add lpc devices

[Andrew Jeffery]

On Fri, 20 Sep 2019, at 00:53, Brad Bishop wrote:
> Assume everything is the same as G5, except the interrupt is updated.

KCS, BT, mailbox and so forth are actually on separate IRQs now.

Take a look at the SDK devicetree:

https://github.com/AspeedTech-BMC/linux/blob/aspeed-dev-v5.1/arch/arm/boot/dts/aspeed-g6.dtsi

> 
> Signed-off-by: Brad Bishop <bradleyb at fuzziesquirrel.com>
> ---
>  arch/arm/boot/dts/aspeed-g6.dtsi | 91 ++++++++++++++++++++++++++++++++
>  1 file changed, 91 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
> index 72038c16f541..b4991cbe1f36 100644
> --- a/arch/arm/boot/dts/aspeed-g6.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
> @@ -249,6 +249,97 @@
>  				status = "disabled";
>  			};
>  
> +			lpc: lpc at 1e789000 {
> +				compatible = "aspeed,ast2600-lpc", "simple-mfd";
> +				reg = <0x1e789000 0x1000>;
> +
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +				ranges = <0x0 0x1e789000 0x1000>;
> +
> +				lpc_bmc: lpc-bmc at 0 {
> +					compatible = "aspeed,ast2600-lpc-bmc", "simple-mfd", "syscon";
> +					reg = <0x0 0x80>;
> +					reg-io-width = <4>;
> +
> +					#address-cells = <1>;
> +					#size-cells = <1>;
> +					ranges = <0x0 0x0 0x80>;
> +
> +					kcs1: kcs1 at 0 {
> +						compatible = "aspeed,ast2600-kcs-bmc";
> +						interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +						kcs_chan = <1>;
> +						status = "disabled";
> +					};
> +					kcs2: kcs2 at 0 {
> +						compatible = "aspeed,ast2600-kcs-bmc";
> +						interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +						kcs_chan = <2>;
> +						status = "disabled";
> +					};
> +					kcs3: kcs3 at 0 {
> +						compatible = "aspeed,ast2600-kcs-bmc";
> +						interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +						kcs_chan = <3>;
> +						status = "disabled";
> +					};
> +				};
> +
> +				lpc_host: lpc-host at 80 {
> +					compatible = "aspeed,ast2600-lpc-host", "simple-mfd", "syscon";
> +					reg = <0x80 0x1e0>;
> +					reg-io-width = <4>;
> +
> +					#address-cells = <1>;
> +					#size-cells = <1>;
> +					ranges = <0x0 0x80 0x1e0>;
> +
> +					kcs4: kcs4 at 0 {
> +						compatible = "aspeed,ast2600-kcs-bmc";
> +						interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +						kcs_chan = <4>;
> +						status = "disabled";
> +					};
> +
> +					lpc_ctrl: lpc-ctrl at 0 {
> +						compatible = "aspeed,ast2600-lpc-ctrl";
> +						reg = <0x0 0x80>;
> +						clocks = <&syscon ASPEED_CLK_GATE_LCLK>;
> +						status = "disabled";
> +					};
> +
> +					lpc_snoop: lpc-snoop at 0 {
> +						compatible = "aspeed,ast2600-lpc-snoop";
> +						reg = <0x0 0x80>;
> +						interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +						status = "disabled";
> +					};
> +
> +					lhc: lhc at 20 {
> +						compatible = "aspeed,ast2600-lhc";
> +						reg = <0x20 0x24 0x48 0x8>;
> +					};
> +
> +					lpc_reset: reset-controller at 18 {
> +						compatible = "aspeed,ast2600-lpc-reset";
> +						reg = <0x18 0x4>;
> +						#reset-cells = <1>;
> +					};
> +
> +					ibt: ibt at c0 {
> +						compatible = "aspeed,ast2600-ibt-bmc";
> +						reg = <0xc0 0x18>;
> +						interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +						status = "disabled";
> +					};
> +
> +					sio_regs: regs {
> +						compatible = "aspeed,bmc-misc";
> +					};
> +				};
> +			};
> +
>  			sdc: sdc at 1e740000 {
>  				compatible = "aspeed,ast2600-sd-controller";
>  				reg = <0x1e740000 0x100>;
> -- 
> 2.21.0
>