meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-kernel/linux/linux-obmc/palmetto.dts

/dts-v1/;

#include "skeleton.dtsi"

/ {
	model = "Palmetto BMC";
	compatible = "tyan,palmetto-bmc", "aspeed,ast2400";
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&vic>;

	aliases {
		serial0 = &uart5;
	};

	chosen {
		stdout-path = &uart5;
		bootargs = "console=ttyS4,38400";
	};

	memory {
		reg = < 0x40000000 0x10000000 >;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "arm,arm926ej-s";
			device_type = "cpu";
			reg = <0>;
		};
	};

	// FIXME
	clocks {
		// Do a proper driver... for now, we know the straps
		// and uboot config on palmetto are:
		// - CLKIN is 48Mhz
		// - HPLL is 384Mhz
		// - CPU:AHB is strapped 2:1
		// - PCLK is HPLL/8 = 48Mhz
		clk_apb: clk_apb {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <48000000>;
		};
		clk_hpll: clk_hpll {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <384000000>;
		};
	};

	ahb {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		vic: interrupt-controller@1e6c0080 {
			compatible = "aspeed,new-vic";
	     		interrupt-controller;
			#interrupt-cells = <1>;
			valid-sources = < 0xffffffff 0x0007ffff>;
			reg = <0x1e6c0080 0x80>;
		};

		mac0: ethernet@1e660000 {
			compatible = "faraday,ftgmac100", "aspeed,ast2400-mac";
			reg = <0x1e660000 0x180>;
			interrupts = <2>;
			use-nc-si;
			no-hw-checksum;
		};

		apb {
			compatible = "simple-bus";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges;

			sram@1e72000 {
				compatible = "mmio-sram";
				reg = <0x1e72000 0x8000>;	// 32K
			};

			ibt@1e789140 {
				compatible = "aspeed,bt-host";
				reg = <0x1e789140 0x18>;
			};

			i2c: i2c@1e78a040 {
				compatible = "aspeed,ast2400-i2c-common";
				reg = <0x1e78a000 0x40>;
				ranges = <0 0x1e78a000 0x1000>;
				interrupts = <12>;
				clocks = <&clk_apb>;

				i2c0: i2c-bus@0x40 {
					reg = <0x40 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <0>;
					clock-frequency = <100000>;
					status = "okay";
					eeprom@50 {
						compatible = "atmel,24c256";
						reg = <0x50>;
						pagesize = <64>;
					};
					rtc@68 {
						compatible = "dallas,ds3231";
						reg = <0x68>;
						// interrupts = <GPIOF0>
					};
				};

				i2c1: i2c-bus@0x80 {
					reg = <0x80 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <1>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c2: i2c-bus@0xC0 {
					reg = <0xC0 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <2>;
					clock-frequency = <100000>;
					status = "okay";
					tmp423@4c {
						compatible = "ti,tmp423";
						reg = <0x4c>;
					};
				};

				i2c3: i2c-bus@0x100 {
					reg = <0x100 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <3>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c4: i2c-bus@0x140 {
					reg = <0x140 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <4>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c5: i2c-bus@0x180 {
					reg = <0x180 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <5>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c6: i2c-bus@0x1C0 {
					reg = <0x1C0 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <6>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c7: i2c-bus@0x300 {
					reg = <0x300 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <7>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c8: i2c-bus@0x340 {
					reg = <0x340 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <8>;
					clock-frequency = <100000>;
					status = "okay";
				};

				i2c9: i2c-bus@0x380 {
					reg = <0x380 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <9>;
					clock-frequency = <100000>;
					status = "disabled";
				};

				i2c10: i2c-bus@0x3C0 {
					reg = <0x380 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <10>;
					clock-frequency = <100000>;
					status = "disabled";
				};

				i2c11: i2c-bus@0x400 {
					reg = <0x400 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <11>;
					clock-frequency = <100000>;
					status = "disabled";
				};

				i2c12: i2c-bus@0x440 {
					reg = <0x400 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <12>;
					clock-frequency = <100000>;
					status = "disabled";
				};

				i2c13: i2c-bus@0x480 {
					reg = <0x480 0x40>;
					compatible = "aspeed,ast2400-i2c-bus";
					bus = <13>;
					clock-frequency = <100000>;
					status = "disabled";
				};

			};

			syscon: syscon@1e6e2000 {
				compatible = "aspeed,syscon", "syscon";
				reg = <0x1e6e2000 0x1a8>;
				interrupts = <19>;
				clocks = <&clk_apb>;
				status = "okay";
			};

			wdt: wdt@1e785000 {
				compatible = "aspeed,wdt", "wdt";
				reg = <0x1e785000 0x1c4>;
				interrupts = <27>;
				clocks = <&clk_apb>;
			};

			rtc: rtc@1e781000 {
				compatible = "aspeed,rtc";
				reg = <0x1e781000 0x18>;
			};

			timer: timer@98400000 {
				compatible = "aspeed,timer";
				reg = <0x1e782000 0x90>;
				// The moxart_timer driver registers only one interrupt
				// and assumes it's for timer 1
				//interrupts = <16 17 18 35 36 37 38 39>;
				interrupts = <16>;
				clocks = <&clk_apb>;
			};

			gpio: gpio@1e780000 {
			       compatible = "aspeed,ast2400-gpio";
			       reg = <0x1e780000 0x1000>;
			       interrupts = <20>;
			};

			uart1: serial@1e783000 {
			       compatible = "ns16550a";
			       reg = <0x1e783000 0x1000>;
			       reg-shift = <2>;
			       interrupts = <9>;
			       clock-frequency = < 1843200 >;
			       no-loopback-test;
			};
			uart2: serial@1e78d000 {
			       compatible = "ns16550a";
			       reg = <0x1e78d000 0x1000>;
			       reg-shift = <2>;
			       interrupts = <32>;
			       clock-frequency = < 1843200 >;
			       no-loopback-test;
			};
			/* APSS UART */
			uart3: serial@1e78e000 {
			       compatible = "ns16550a";
			       reg = <0x1e78e000 0x1000>;
			       reg-shift = <2>;
			       interrupts = <33>;
			       clock-frequency = < 1843200 >;
			       no-loopback-test;
			};

			/* Host UART */
			uart4: serial@1e78f000 {
			       compatible = "ns16550a";
			       reg = <0x1e78f000 0x1000>;
			       reg-shift = <2>;
			       interrupts = <34>;
			       clock-frequency = < 1843200 >;
			       current-speed = < 115200 >;
			       no-loopback-test;
			};
#if 1
			/* BMC UART */
			uart5: serial@1e784000 {
			       compatible = "ns16550a";
			       reg = <0x1e784000 0x1000>;
			       reg-shift = <2>;
			       interrupts = <10>;
			       clock-frequency = < 1843200 >;
			       current-speed = < 38400 >;
			       no-loopback-test;
			};
#endif

			uart6: serial@1e787000 {
			       compatible = "ns16550a";
			       reg = <0x1e787000 0x1000>;
			       reg-shift = <2>;
			       interrupts = <10>;
			       clock-frequency = < 1843200 >;
			       current-speed = < 38400 >;
			       no-loopback-test;
			};
		};
	};
};