Signed-off-by: Maxim Sloyko maxims@google.com ---
arch/arm/dts/ast2500.dtsi | 423 ++++++++++++++++++++++++++++++++ include/dt-bindings/clock/ast2500-scu.h | 29 +++ 2 files changed, 452 insertions(+) create mode 100644 arch/arm/dts/ast2500.dtsi create mode 100644 include/dt-bindings/clock/ast2500-scu.h
diff --git a/arch/arm/dts/ast2500.dtsi b/arch/arm/dts/ast2500.dtsi new file mode 100644 index 0000000000..1a2a3f7ee3 --- /dev/null +++ b/arch/arm/dts/ast2500.dtsi @@ -0,0 +1,423 @@ +/* This device tree is copied from + * https://github.com/openbmc/linux/blob/c5682cb/arch/arm/boot/dts/aspeed-g5.dt... + */ + +#include <dt-bindings/clock/ast2500-scu.h> + +#include "skeleton.dtsi" + +/ { + model = "Aspeed BMC"; + compatible = "aspeed,ast2500"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&vic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,arm1176jzf-s"; + device_type = "cpu"; + reg = <0>; + }; + }; + + scu: clock-controller@1e6e2000 { + compatible = "aspeed,ast2500-scu"; + reg = <0x1e6e2000 0x1000>; + u-boot,dm-pre-reloc; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + sdrammc: sdrammc@1e6e0000 { + u-boot,dm-pre-reloc; + compatible = "aspeed,ast2500-sdrammc"; + reg = <0x1e6e0000 0x174 + 0x1e6e0200 0x1d4 >; + clocks = <&scu PLL_MPLL>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + u-boot,dm-pre-reloc; + + fmc: flash-controller@1e620000 { + reg = < 0x1e620000 0xc4 + 0x20000000 0x10000000 >; + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2500-fmc"; + status = "disabled"; + aspeed,fmc-has-dma; + interrupts = <19>; + flash@0 { + reg = < 0 >; + compatible = "jedec,spi-nor"; + status = "disabled"; + }; + flash@1 { + reg = < 1 >; + compatible = "jedec,spi-nor"; + status = "disabled"; + }; + flash@2 { + reg = < 2 >; + compatible = "jedec,spi-nor"; + // compatible = "cfi,flash", "jedec,flash"; + status = "disabled"; + }; + }; + + spi1: flash-controller@1e630000 { + reg = < 0x1e630000 0xc4 + 0x30000000 0x08000000 >; + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2500-smc"; + status = "disabled"; + flash@0 { + reg = < 0 >; + compatible = "jedec,spi-nor"; + status = "disabled"; + }; + flash@1 { + reg = < 1 >; + compatible = "jedec,spi-nor"; + status = "disabled"; + }; + }; + + spi2: flash-controller@1e631000 { + reg = < 0x1e631000 0xc4 + 0x38000000 0x08000000 >; + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2500-smc"; + status = "disabled"; + flash@0 { + reg = < 0 >; + compatible = "jedec,spi-nor"; + status = "disabled"; + }; + flash@1 { + reg = < 1 >; + compatible = "jedec,spi-nor"; + status = "disabled"; + }; + }; + + vic: interrupt-controller@1e6c0080 { + compatible = "aspeed,ast2400-vic"; + interrupt-controller; + #interrupt-cells = <1>; + valid-sources = <0xfefff7ff 0x0807ffff>; + reg = <0x1e6c0080 0x80>; + }; + + mac0: ethernet@1e660000 { + compatible = "faraday,ftgmac100"; + reg = <0x1e660000 0x180>; + interrupts = <2>; + no-hw-checksum; + status = "disabled"; + }; + + mac1: ethernet@1e680000 { + compatible = "faraday,ftgmac100"; + reg = <0x1e680000 0x180>; + interrupts = <3>; + no-hw-checksum; + status = "disabled"; + }; + + apb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + u-boot,dm-pre-reloc; + + syscon: syscon@1e6e2000 { + compatible = "aspeed,g5-scu", "syscon", "simple-mfd"; + reg = <0x1e6e2000 0x1a8>; + }; + + sram@1e720000 { + compatible = "mmio-sram"; + reg = <0x1e720000 0x9000>; // 36K + }; + + gpio: gpio@1e780000 { + #gpio-cells = <2>; + gpio-controller; + compatible = "aspeed,ast2500-gpio"; + reg = <0x1e780000 0x1000>; + interrupts = <20>; + }; + + timer: timer@1e782000 { + compatible = "aspeed,ast2500-timer"; + u-boot,dm-pre-reloc; + reg = <0x1e782000 0x90>; + }; + + ibt: ibt@1e789140 { + compatible = "aspeed,bt-host"; + reg = <0x1e789140 0x18>; + interrupts = <8>; + }; + + wdt1: wdt@1e785000 { + compatible = "aspeed,ast2500-wdt"; + reg = <0x1e785000 0x1c>; + }; + + wdt2: wdt@1e785020 { + compatible = "aspeed,ast2500-wdt"; + reg = <0x1e785020 0x1c>; + status = "disabled"; + }; + + wdt3: wdt@1e785040 { + compatible = "aspeed,wdt"; + reg = <0x1e785074 0x1c>; + status = "disabled"; + }; + + uart1: serial@1e783000 { + compatible = "ns16550a"; + reg = <0x1e783000 0x1000>; + reg-shift = <2>; + interrupts = <9>; + clocks = <&scu PCLK_UART1>; + no-loopback-test; + status = "disabled"; + }; + + uart2: serial@1e78d000 { + compatible = "ns16550a"; + reg = <0x1e78d000 0x1000>; + reg-shift = <2>; + interrupts = <32>; + clocks = <&scu PCLK_UART2>; + no-loopback-test; + status = "disabled"; + }; + + uart3: serial@1e78e000 { + compatible = "ns16550a"; + reg = <0x1e78e000 0x1000>; + reg-shift = <2>; + interrupts = <33>; + clocks = <&scu PCLK_UART3>; + no-loopback-test; + status = "disabled"; + }; + + uart4: serial@1e78f000 { + compatible = "ns16550a"; + reg = <0x1e78f000 0x1000>; + reg-shift = <2>; + interrupts = <34>; + clocks = <&scu PCLK_UART4>; + no-loopback-test; + status = "disabled"; + }; + + uart5: serial@1e784000 { + compatible = "ns16550a"; + reg = <0x1e784000 0x1000>; + interrupts = <10>; + reg-shift = <2>; + clocks = <&scu PCLK_UART5>; + no-loopback-test; + status = "disabled"; + }; + + vuart: vuart@1e787000 { + compatible = "aspeed,vuart"; + reg = <0x1e787000 0x1000>; + reg-shift = <2>; + interrupts = <8>; + no-loopback-test; + status = "disabled"; + }; + + i2c: i2c@1e78a000 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <1>; + + compatible = "aspeed,ast2400-i2c-controller"; + reg = <0x1e78a000 0x40>; + ranges = <0 0x1e78a000 0x1000>; + interrupts = <12>; + clock-ranges; + interrupt-controller; + + i2c0: i2c-bus@40 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x40 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <0>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <0>; + interrupt-parent = <&i2c>; + }; + + i2c1: i2c-bus@80 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x80 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <1>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <1>; + }; + + i2c2: i2c-bus@c0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0xC0 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <2>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <2>; + }; + + i2c3: i2c-bus@100 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x100 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <3>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <3>; + }; + + i2c4: i2c-bus@140 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x140 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <4>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <4>; + }; + + i2c5: i2c-bus@180 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x180 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <5>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <5>; + }; + + i2c6: i2c-bus@1c0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1C0 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <6>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <6>; + }; + + i2c7: i2c-bus@300 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x300 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <7>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <7>; + }; + + i2c8: i2c-bus@340 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x340 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <8>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <8>; + }; + + i2c9: i2c-bus@380 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x380 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <9>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <9>; + }; + + i2c10: i2c-bus@3c0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x3c0 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <10>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <10>; + }; + + i2c11: i2c-bus@400 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x400 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <11>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <11>; + }; + + i2c12: i2c-bus@440 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x440 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <12>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <12>; + }; + + i2c13: i2c-bus@480 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x480 0x40>; + compatible = "aspeed,ast2400-i2c-bus"; + bus = <13>; + clock-frequency = <100000>; + status = "disabled"; + interrupts = <13>; + }; + + }; + + }; + }; +}; diff --git a/include/dt-bindings/clock/ast2500-scu.h b/include/dt-bindings/clock/ast2500-scu.h new file mode 100644 index 0000000000..ca58b12943 --- /dev/null +++ b/include/dt-bindings/clock/ast2500-scu.h @@ -0,0 +1,29 @@ +/* + * Copyright 2016 Google Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* Core Clocks */ +#define PLL_HPLL 1 +#define PLL_DPLL 2 +#define PLL_D2PLL 3 +#define PLL_MPLL 4 +#define ARMCLK 5 + + +/* Bus Clocks, derived from core clocks */ +#define BCLK_PCLK 101 +#define BCLK_LHCLK 102 +#define BCLK_MACCLK 103 +#define BCLK_SDCLK 104 +#define BCLK_ARMCLK 105 + +#define MCLK_DDR 201 + +/* Special clocks */ +#define PCLK_UART1 501 +#define PCLK_UART2 502 +#define PCLK_UART3 503 +#define PCLK_UART4 504 +#define PCLK_UART5 505