[v2 15/17] arm: dts: Add base dtsi and devkit dts for Intel N5X device

Ley Foon Tan lftan.linux at gmail.com
Fri May 28 10:34:13 CEST 2021


On Fri, Apr 30, 2021 at 3:41 PM Siew Chin Lim
<elly.siew.chin.lim at intel.com> wrote:
>
> Add device tree for N5X.
>
> Signed-off-by: Siew Chin Lim <elly.siew.chin.lim at intel.com>
> Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
>
> ---
> v2:
> - Remove socfpga_n5x.dtsi
> - Reuse socfpga_agilex.dtsi in socfpga_n5x_socdk.dts and update
>   n5x data accordingly.
> ---
>  arch/arm/dts/Makefile                         |   1 +
>  ...ex-u-boot.dtsi => socfpga_n5x-u-boot.dtsi} |  13 ++-
>  arch/arm/dts/socfpga_n5x_socdk-u-boot.dtsi    |  67 +++++++++++
>  ...agilex_socdk.dts => socfpga_n5x_socdk.dts} | 110 +++++++++++++++++-
>  4 files changed, 182 insertions(+), 9 deletions(-)
>  copy arch/arm/dts/{socfpga_agilex-u-boot.dtsi => socfpga_n5x-u-boot.dtsi} (85%)
>  create mode 100644 arch/arm/dts/socfpga_n5x_socdk-u-boot.dtsi
>  copy arch/arm/dts/{socfpga_agilex_socdk.dts => socfpga_n5x_socdk.dts} (57%)
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index aec5020a0f..2e13277816 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -381,6 +381,7 @@ dtb-$(CONFIG_ARCH_SOCFPGA) +=                               \
>         socfpga_cyclone5_socrates.dtb                   \
>         socfpga_cyclone5_sr1500.dtb                     \
>         socfpga_cyclone5_vining_fpga.dtb                \
> +       socfpga_n5x_socdk.dtb                           \
>         socfpga_stratix10_socdk.dtb
>
>  dtb-$(CONFIG_TARGET_DRA7XX_EVM) += dra72-evm.dtb dra7-evm.dtb  \
> diff --git a/arch/arm/dts/socfpga_agilex-u-boot.dtsi b/arch/arm/dts/socfpga_n5x-u-boot.dtsi
> similarity index 85%
> copy from arch/arm/dts/socfpga_agilex-u-boot.dtsi
> copy to arch/arm/dts/socfpga_n5x-u-boot.dtsi
> index 08f7cf7f7a..2f63f4a4e6 100644
> --- a/arch/arm/dts/socfpga_agilex-u-boot.dtsi
> +++ b/arch/arm/dts/socfpga_n5x-u-boot.dtsi
> @@ -2,7 +2,7 @@
>  /*
>   * U-Boot additions
>   *
> - * Copyright (C) 2019-2020 Intel Corporation <www.intel.com>
> + * Copyright (C) 2020-2021 Intel Corporation <www.intel.com>
>   */
>
>  #include "socfpga_soc64_fit-u-boot.dtsi"
> @@ -53,6 +53,10 @@
>         reset-names = "i2c";
>  };
>
> +&memclkmgr {
> +       u-boot,dm-pre-reloc;
> +};
> +
>  &mmc {
>         resets = <&rst SDMMC_RESET>, <&rst SDMMC_OCP_RESET>;
>  };
> @@ -76,11 +80,10 @@
>  };
>
>  &sdr {
> -       compatible = "intel,sdr-ctl-agilex";
> -       reg = <0xf8000400 0x80>,
> -             <0xf8010000 0x190>,
> -             <0xf8011000 0x500>;
> +       compatible = "intel,sdr-ctl-n5x";
>         resets = <&rst DDRSCH_RESET>;
> +       clocks = <&memclkmgr>;
> +       clock-names = "mem_clk";
>         u-boot,dm-pre-reloc;
>  };
>
> diff --git a/arch/arm/dts/socfpga_n5x_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_n5x_socdk-u-boot.dtsi
> new file mode 100644
> index 0000000000..57509f083e
> --- /dev/null
> +++ b/arch/arm/dts/socfpga_n5x_socdk-u-boot.dtsi
> @@ -0,0 +1,67 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * U-Boot additions
> + *
> + * Copyright (C) 2020-2021 Intel Corporation <www.intel.com>
> + */
> +
> +#include "socfpga_n5x-u-boot.dtsi"
> +
> +/{
> +       aliases {
> +               spi0 = &qspi;
> +               i2c0 = &i2c1;
> +       };
> +
> +       memory {
> +               /*
> +                * Memory type: DDR4
> +                * 16GB
> +                *     <0 0x00000000 0 0x80000000>,
> +                *     <4 0x80000000 3 0x80000000>;
> +                *
> +                * 8GB
> +                *     <0 0x00000000 0 0x80000000>,
> +                *     <2 0x80000000 1 0x80000000>;
> +                *
> +                * 4GB
> +                *     <0 0x00000000 0 0x80000000>,
> +                *     <1 0x80000000 0 0x80000000>;
These example ranges only work for interleaving mode? If yes, add the comment.

> +                *
> +                * Memory type: LPDDR4 (non-interleaving mode)
> +                * Total memory size 3GB, usable = 2.5GB, 0.5GB trade off for secure
> +                * region.
> +                */
> +               reg = <0 0x00000000 0 0x60000000>,
> +                         <0x10 0x00100000 0 0x40000000>;
> +       };
> +};
> +
> +&flash0 {
> +       compatible = "jedec,spi-nor";
> +       spi-tx-bus-width = <4>;
> +       spi-rx-bus-width = <4>;
> +       u-boot,dm-pre-reloc;
> +};
> +
> +&i2c1 {
> +       status = "okay";
> +};
> +
> +&nand {
> +       u-boot,dm-pre-reloc;
> +};
> +
> +&mmc {
> +       drvsel = <3>;
> +       smplsel = <0>;
> +       u-boot,dm-pre-reloc;
> +};
> +
> +&qspi {
> +       status = "okay";
> +};
> +
> +&watchdog0 {
> +       u-boot,dm-pre-reloc;
> +};
> diff --git a/arch/arm/dts/socfpga_agilex_socdk.dts b/arch/arm/dts/socfpga_n5x_socdk.dts
> similarity index 57%
> copy from arch/arm/dts/socfpga_agilex_socdk.dts
> copy to arch/arm/dts/socfpga_n5x_socdk.dts
> index bcdeecc0e0..30130bb910 100644
> --- a/arch/arm/dts/socfpga_agilex_socdk.dts
> +++ b/arch/arm/dts/socfpga_n5x_socdk.dts
This file sync from Linux dts?

> @@ -1,11 +1,12 @@
>  // SPDX-License-Identifier:     GPL-2.0
>  /*
> - * Copyright (C) 2019, Intel Corporation
> + * Copyright (C) 2020-2021, Intel Corporation
>   */
>  #include "socfpga_agilex.dtsi"
> +#include <dt-bindings/clock/n5x-clock.h>
>
>  / {
> -       model = "SoCFPGA Agilex SoCDK";
> +       model = "eASIC N5X SoCDK";
>
>         aliases {
>                 serial0 = &uart0;
> @@ -16,6 +17,7 @@
>
>         chosen {
>                 stdout-path = "serial0:115200n8";
> +               u-boot,boot0 = <&mmc>;
>         };
>
>         leds {
> @@ -47,10 +49,26 @@
>                         osc1 {
>                                 clock-frequency = <25000000>;
>                         };
> +
> +                       dram_eosc_clk: dram-eosc-clk {
> +                               #clock-cells = <0>;
> +                               compatible = "fixed-clock";
> +                       };
> +               };
> +
> +               memclkmgr: mem-clock-controller at f8040000 {
> +                       compatible = "intel,n5x-mem-clkmgr";
> +                       reg = <0xf8040000 0x1000>;
> +                       #clock-cells = <0>;
> +                       clocks = <&dram_eosc_clk>, <&f2s_free_clk>;
All these should use for all N5X devices, right?
Then these should move to socfpga_n5x-u-boot.dtsi.

>                 };
>         };
>  };
>
> +&clkmgr {
> +       compatible = "intel,n5x-clkmgr";
> +};
Same here and all the clocks parameters below.

> +
>  &gpio1 {
>         status = "okay";
>  };
> @@ -59,8 +77,8 @@
>         status = "okay";
>         phy-mode = "rgmii";
>         phy-handle = <&phy0>;
> -
>         max-frame-size = <9000>;
> +       clocks = <&clkmgr N5X_EMAC0_CLK>;
>
>         mdio0 {
>                 #address-cells = <1>;
> @@ -85,27 +103,111 @@
>         };
>  };
>
> +&gmac1 {
> +       clocks = <&clkmgr N5X_EMAC1_CLK>;
> +};
> +
> +&gmac2 {
> +       clocks = <&clkmgr N5X_EMAC2_CLK>;
> +};
> +
> +&i2c0 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&i2c1 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&i2c2 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&i2c3 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&i2c4 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
>  &mmc {
>         status = "okay";
>         cap-sd-highspeed;
>         broken-cd;
>         bus-width = <4>;
> +
> +       clocks = <&clkmgr N5X_L4_MP_CLK>,
> +                <&clkmgr N5X_SDMMC_CLK>;
> +};
> +
> +&pdma {
> +       clocks = <&clkmgr N5X_L4_MAIN_CLK>;
> +};
> +
> +&spi0 {
> +       clocks = <&clkmgr N5X_L4_MAIN_CLK>;
> +};
> +
> +&spi1 {
> +       clocks = <&clkmgr N5X_L4_MAIN_CLK>;
> +};
> +
> +&timer0 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&timer1 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&timer2 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&timer3 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
>  };
>
>  &uart0 {
>         status = "okay";
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
> +};
> +
> +&uart1 {
> +       clocks = <&clkmgr N5X_L4_SP_CLK>;
>  };
>
>  &usb0 {
>         status = "okay";
> +       clocks = <&clkmgr N5X_USB_CLK>;
>         disable-over-current;
>  };
>
> +&usb1 {
> +       status = "okay";
> +       clocks = <&clkmgr N5X_USB_CLK>;
> +};
> +
>  &watchdog0 {
>         status = "okay";
> +       clocks = <&clkmgr N5X_L4_SYS_FREE_CLK>;
> +};
> +
> +&watchdog1 {
> +       clocks = <&clkmgr N5X_L4_SYS_FREE_CLK>;
> +};
> +
> +&watchdog2 {
> +       clocks = <&clkmgr N5X_L4_SYS_FREE_CLK>;
> +};
> +
> +&watchdog3 {
> +       clocks = <&clkmgr N5X_L4_SYS_FREE_CLK>;
>  };
>
>  &qspi {
> +       status = "okay";
>         flash0: flash at 0 {
>                 #address-cells = <1>;
>                 #size-cells = <1>;
> @@ -116,7 +218,7 @@
>                 m25p,fast-read;
>                 cdns,page-size = <256>;
>                 cdns,block-size = <16>;
> -               cdns,read-delay = <1>;
> +               cdns,read-delay = <3>;
>                 cdns,tshsl-ns = <50>;
>                 cdns,tsd2d-ns = <50>;
>                 cdns,tchsh-ns = <4>;
> --
> 2.19.0
>


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