On Mon, Nov 16, 2020 at 6:15 PM Bin Meng <bmeng.cn@xxxxxxxxx> wrote: > > On Sat, Nov 14, 2020 at 4:29 AM Atish Patra <atish.patra@xxxxxxx> wrote: > > > > Add initial DTS for Microchip ICICLE board having only > > essential devcies (clocks, sdhci, ethernet, serial, etc). > > typo: devices > Thanks. Will fix it. > > The device tree is based on the U-Boot patch. > > > > https://patchwork.ozlabs.org/project/uboot/patch/20201110103414.10142-6-padmarao.begari@xxxxxxxxxxxxx/ > > > > Signed-off-by: Atish Patra <atish.patra@xxxxxxx> > > --- > > arch/riscv/boot/dts/Makefile | 1 + > > arch/riscv/boot/dts/microchip/Makefile | 2 + > > .../microchip/microchip-mpfs-icicle-kit.dts | 54 +++ > > .../boot/dts/microchip/microchip-mpfs.dtsi | 342 ++++++++++++++++++ > > 4 files changed, 399 insertions(+) > > create mode 100644 arch/riscv/boot/dts/microchip/Makefile > > create mode 100644 arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts > > create mode 100644 arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi > > > > diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile > > index ca1f8cbd78c0..3ea94ea0a18a 100644 > > --- a/arch/riscv/boot/dts/Makefile > > +++ b/arch/riscv/boot/dts/Makefile > > @@ -1,5 +1,6 @@ > > # SPDX-License-Identifier: GPL-2.0 > > subdir-y += sifive > > subdir-y += kendryte > > +subdir-y += microchip > > > > obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y)) > > diff --git a/arch/riscv/boot/dts/microchip/Makefile b/arch/riscv/boot/dts/microchip/Makefile > > new file mode 100644 > > index 000000000000..622b12771fd3 > > --- /dev/null > > +++ b/arch/riscv/boot/dts/microchip/Makefile > > @@ -0,0 +1,2 @@ > > +# SPDX-License-Identifier: GPL-2.0 > > +dtb-$(CONFIG_SOC_MICROCHIP_POLARFIRE) += microchip-mpfs-icicle-kit.dtb > > diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts > > new file mode 100644 > > index 000000000000..9a382ab0a799 > > --- /dev/null > > +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts > > @@ -0,0 +1,54 @@ > > +// SPDX-License-Identifier: GPL-2.0+ > > Please make this dual-licensed, GPL or MIT. > See https://github.com/polarfire-soc/meta-polarfire-soc-yocto-bsp/blob/master/recipes-kernel/linux/files/icicle-kit-es/icicle-kit-es-a000-microchip.dts > I had that originally. Checkpatch did not like that. I will revert it and investigate the real cause for the checkpatch complaint. > > +/* Copyright (c) 2020 Microchip Technology Inc */ > > + > > +/dts-v1/; > > + > > +#include "microchip-mpfs.dtsi" > > + > > +/* Clock frequency (in Hz) of the rtcclk */ > > +#define RTCCLK_FREQ 1000000 > > + > > +/ { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + model = "Microchip PolarFire-SoC Icicle Kit"; > > + compatible = "microchip,mpfs-icicle-kit", "microchip,polarfire-soc"; > > + > > + chosen { > > + stdout-path = &serial0; > > + }; > > + > > + cpus { > > + timebase-frequency = <RTCCLK_FREQ>; > > + }; > > + > > + memory@80000000 { > > + device_type = "memory"; > > + reg = <0x0 0x80000000 0x0 0x40000000>; > > + clocks = <&clkcfg 26>; > > + }; > > + > > + soc { > > + }; > > +}; > > + > > +&serial0 { > > + status = "okay"; > > +}; > > + > > +&serial1 { > > + status = "okay"; > > +}; > > + > > +&serial2 { > > + status = "okay"; > > +}; > > + > > +&serial3 { > > + status = "okay"; > > +}; > > + > > +&sdcard { > > + status = "okay"; > > +}; > > + > > diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi > > new file mode 100644 > > index 000000000000..63ac60f345d8 > > --- /dev/null > > +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi > > @@ -0,0 +1,342 @@ > > +// SPDX-License-Identifier: GPL-2.0+ > > +/* Copyright (c) 2020 Microchip Technology Inc */ > > + > > +/dts-v1/; > > + > > +/ { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + model = "Microchip PolarFire-SoC"; > > + compatible = "microchip,polarfire-soc"; > > + > > + chosen { > > + }; > > + > > + cpus { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + cpu@0 { > > + clock-frequency = <0>; > > + compatible = "sifive,rocket0", "riscv"; > > + device_type = "cpu"; > > + i-cache-block-size = <64>; > > + i-cache-sets = <128>; > > + i-cache-size = <16384>; > > + reg = <0>; > > + riscv,isa = "rv64imac"; > > + status = "disabled"; > > + > > + cpu0_intc: interrupt-controller { > > + #interrupt-cells = <1>; > > + compatible = "riscv,cpu-intc"; > > + interrupt-controller; > > + }; > > + }; > > + > > + cpu@1 { > > + clock-frequency = <0>; > > + compatible = "sifive,rocket0", "riscv"; > > + d-cache-block-size = <64>; > > + d-cache-sets = <64>; > > + d-cache-size = <32768>; > > + d-tlb-sets = <1>; > > + d-tlb-size = <32>; > > + device_type = "cpu"; > > + i-cache-block-size = <64>; > > + i-cache-sets = <64>; > > + i-cache-size = <32768>; > > + i-tlb-sets = <1>; > > + i-tlb-size = <32>; > > + mmu-type = "riscv,sv39"; > > + reg = <1>; > > + riscv,isa = "rv64imafdc"; > > + tlb-split; > > + status = "okay"; > > + > > + cpu1_intc: interrupt-controller { > > + #interrupt-cells = <1>; > > + compatible = "riscv,cpu-intc"; > > + interrupt-controller; > > + }; > > + }; > > + > > + cpu@2 { > > + clock-frequency = <0>; > > + compatible = "sifive,rocket0", "riscv"; > > + d-cache-block-size = <64>; > > + d-cache-sets = <64>; > > + d-cache-size = <32768>; > > + d-tlb-sets = <1>; > > + d-tlb-size = <32>; > > + device_type = "cpu"; > > + i-cache-block-size = <64>; > > + i-cache-sets = <64>; > > + i-cache-size = <32768>; > > + i-tlb-sets = <1>; > > + i-tlb-size = <32>; > > + mmu-type = "riscv,sv39"; > > + reg = <2>; > > + riscv,isa = "rv64imafdc"; > > + tlb-split; > > + status = "okay"; > > + > > + cpu2_intc: interrupt-controller { > > + #interrupt-cells = <1>; > > + compatible = "riscv,cpu-intc"; > > + interrupt-controller; > > + }; > > + }; > > + > > + cpu@3 { > > + clock-frequency = <0>; > > + compatible = "sifive,rocket0", "riscv"; > > + d-cache-block-size = <64>; > > + d-cache-sets = <64>; > > + d-cache-size = <32768>; > > + d-tlb-sets = <1>; > > + d-tlb-size = <32>; > > + device_type = "cpu"; > > + i-cache-block-size = <64>; > > + i-cache-sets = <64>; > > + i-cache-size = <32768>; > > + i-tlb-sets = <1>; > > + i-tlb-size = <32>; > > + mmu-type = "riscv,sv39"; > > + reg = <3>; > > + riscv,isa = "rv64imafdc"; > > + tlb-split; > > + status = "okay"; > > + > > + cpu3_intc: interrupt-controller { > > + #interrupt-cells = <1>; > > + compatible = "riscv,cpu-intc"; > > + interrupt-controller; > > + }; > > + }; > > + > > + cpu@4 { > > + clock-frequency = <0>; > > + compatible = "sifive,rocket0", "riscv"; > > + d-cache-block-size = <64>; > > + d-cache-sets = <64>; > > + d-cache-size = <32768>; > > + d-tlb-sets = <1>; > > + d-tlb-size = <32>; > > + device_type = "cpu"; > > + i-cache-block-size = <64>; > > + i-cache-sets = <64>; > > + i-cache-size = <32768>; > > + i-tlb-sets = <1>; > > + i-tlb-size = <32>; > > + mmu-type = "riscv,sv39"; > > + reg = <4>; > > + riscv,isa = "rv64imafdc"; > > + tlb-split; > > + status = "okay"; > > + cpu4_intc: interrupt-controller { > > + #interrupt-cells = <1>; > > + compatible = "riscv,cpu-intc"; > > + interrupt-controller; > > + }; > > + }; > > + }; > > + > > + soc { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + compatible = "simple-bus"; > > + ranges; > > + > > + cache-controller@2010000 { > > + compatible = "sifive,fu540-c000-ccache", "cache"; > > + cache-block-size = <64>; > > + cache-level = <2>; > > + cache-sets = <1024>; > > + cache-size = <2097152>; > > + cache-unified; > > + interrupt-parent = <&plic>; > > + interrupts = <1 2 3>; > > + reg = <0x0 0x2010000 0x0 0x1000>; > > + }; > > + > > + clint@2000000 { > > + compatible = "riscv,clint0"; > > + reg = <0x0 0x2000000 0x0 0xC000>; > > + interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7 > > + &cpu1_intc 3 &cpu1_intc 7 > > + &cpu2_intc 3 &cpu2_intc 7 > > + &cpu3_intc 3 &cpu3_intc 7 > > + &cpu4_intc 3 &cpu4_intc 7>; > > + }; > > + > > + plic: interrupt-controller@c000000 { > > + #interrupt-cells = <1>; > > + compatible = "sifive,plic-1.0.0"; > > + reg = <0x0 0xc000000 0x0 0x4000000>; > > + riscv,ndev = <53>; > > + interrupt-controller; > > + interrupts-extended = <&cpu0_intc 11 > > + &cpu1_intc 11 &cpu1_intc 9 > > + &cpu2_intc 11 &cpu2_intc 9 > > + &cpu3_intc 11 &cpu3_intc 9 > > + &cpu4_intc 11 &cpu4_intc 9>; > > + }; > > + > > + dma@3000000 { > > + compatible = "sifive,fu540-c000-pdma"; > > + reg = <0x0 0x3000000 0x0 0x8000>; > > + interrupt-parent = <&plic>; > > + interrupts = <23 24 25 26 27 28 29 30>; > > + #dma-cells = <1>; > > + }; > > + > > + refclk: refclk { > > + compatible = "fixed-clock"; > > + #clock-cells = <0>; > > + clock-frequency = <600000000>; > > + clock-output-names = "msspllclk"; > > + }; > > + > > + clkcfg: clkcfg@20002000 { > > + compatible = "microchip,pfsoc-clkcfg"; > > + reg = <0x0 0x20002000 0x0 0x1000>; > > + reg-names = "mss_sysreg"; > > + clocks = <&refclk>; > > + #clock-cells = <1>; > > + clock-output-names = "cpuclk", "axiclk", "ahbclk", "ENVMclk", /* 0-3 */ > > + "MAC0clk", "MAC1clk", "MMCclk", "TIMERclk", /* 4-7 */ > > + "MMUART0clk", "MMUART1clk", "MMUART2clk", "MMUART3clk", /* 8-11 */ > > + "MMUART4clk", "SPI0clk", "SPI1clk", "I2C0clk", /* 12-15 */ > > + "I2C1clk", "CAN0clk", "CAN1clk", "USBclk", /* 16-19 */ > > + "RESERVED", "RTCclk", "QSPIclk", "GPIO0clk", /* 20-23 */ > > + "GPIO1clk", "GPIO2clk", "DDRCclk", "FIC0clk", /* 24-27 */ > > + "FIC1clk", "FIC2clk", "FIC3clk", "ATHENAclk", "CFMclk"; /* 28-32 */ > > Should all these names be lower case? > Probably yes. The DT binding document did not specify any case. However, I just checked the linux kernel source. Most of the DT actually use lowercase. I will change it lower case in the next version. > > + }; > > + > > + serial0: serial@20000000 { > > + compatible = "ns16550a"; > > + reg = <0x0 0x20000000 0x0 0x400>; > > + reg-io-width = <4>; > > + reg-shift = <2>; > > + interrupt-parent = <&plic>; > > + interrupts = <90>; > > + current-speed = <115200>; > > + clocks = <&clkcfg 8>; > > + status = "disabled"; > > + }; > > + > > + serial1: serial@20100000 { > > + compatible = "ns16550a"; > > + reg = <0x0 0x20100000 0x0 0x400>; > > + reg-io-width = <4>; > > + reg-shift = <2>; > > + interrupt-parent = <&plic>; > > + interrupts = <91>; > > + current-speed = <115200>; > > + clocks = <&clkcfg 9>; > > + status = "disabled"; > > + }; > > + > > + serial2: serial@20102000 { > > + compatible = "ns16550a"; > > + reg = <0x0 0x20102000 0x0 0x400>; > > + reg-io-width = <4>; > > + reg-shift = <2>; > > + interrupt-parent = <&plic>; > > + interrupts = <92>; > > + current-speed = <115200>; > > + clocks = <&clkcfg 10>; > > + status = "disabled"; > > + }; > > + > > + serial3: serial@20104000 { > > + compatible = "ns16550a"; > > + reg = <0x0 0x20104000 0x0 0x400>; > > + reg-io-width = <4>; > > + reg-shift = <2>; > > + interrupt-parent = <&plic>; > > + interrupts = <93>; > > + current-speed = <115200>; > > + clocks = <&clkcfg 11>; > > + status = "disabled"; > > + }; > > + > > + emmc: mmc@20008000 { > > + compatible = "cdns,sd4hc"; > > + reg = <0x0 0x20008000 0x0 0x1000>; > > + interrupt-parent = <&plic>; > > + interrupts = <88 89>; > > + pinctrl-names = "default"; > > + clocks = <&clkcfg 6>; > > + bus-width = <4>; > > + cap-mmc-highspeed; > > + mmc-ddr-3_3v; > > + max-frequency = <200000000>; > > + non-removable; > > + no-sd; > > + no-sdio; > > + voltage-ranges = <3300 3300>; > > + status = "disabled"; > > + }; > > + > > + sdcard: sdhc@20008000 { > > + compatible = "cdns,sd4hc"; > > + reg = <0x0 0x20008000 0x0 0x1000>; > > + interrupt-parent = <&plic>; > > + interrupts = <88>; > > + pinctrl-names = "default"; > > + clocks = <&clkcfg 6>; > > + bus-width = <4>; > > + disable-wp; > > + no-1-8-v; > > + cap-mmc-highspeed; > > + cap-sd-highspeed; > > + card-detect-delay = <200>; > > + sd-uhs-sdr12; > > + sd-uhs-sdr25; > > + sd-uhs-sdr50; > > + sd-uhs-sdr104; > > + max-frequency = <200000000>; > > + status = "disabled"; > > + }; > > + > > + emac0: ethernet@20110000 { > > + compatible = "cdns,macb"; > > + reg = <0x0 0x20110000 0x0 0x2000>; > > + interrupt-parent = <&plic>; > > + interrupts = <64 65 66 67>; > > + local-mac-address = [00 00 00 00 00 00]; > > + phy-mode = "sgmii"; > > + clocks = <&clkcfg 5>, <&clkcfg 2>; > > + clock-names = "pclk", "hclk"; > > + status = "disabled"; > > + > > + #address-cells = <1>; > > + #size-cells = <0>; > > + phy-handle = <&phy0>; > > + phy0: ethernet-phy@8 { > > + reg = <8>; > > + ti,fifo-depth = <0x01>; > > + }; > > + }; > > + > > + emac1: ethernet@20112000 { > > + compatible = "cdns,macb"; > > + reg = <0x0 0x20112000 0x0 0x2000>; > > + interrupt-parent = <&plic>; > > + interrupts = <70 71 72 73>; > > + mac-address = [00 00 00 00 00 00]; > > + phy-mode = "sgmii"; > > + clocks = <&clkcfg 5>, <&clkcfg 2>; > > + clock-names = "pclk", "hclk"; > > + #address-cells = <1>; > > + #size-cells = <0>; > > + phy1: ethernet-phy@9 { > > + reg = <9>; > > + ti,fifo-depth = <0x01>; > > + }; > > + }; > > + > > + }; > > +}; > > Regards, > Bin > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv -- Regards, Atish
