On 22-07-26 15:41:11, Shenwei Wang wrote:
> i.MX8DXL is a device targeting the automotive and industrial market
> segments. The chip is designed to achieve both high performance and
> low power consumption. It has a dual (2x) Cortex-A35 processor.
>
> This patch adds the imx8dxl soc and EVK board support.
>
> Signed-off-by: Shenwei Wang <shenwei.wang@xxxxxxx>
> ---
[...]
> diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
> new file mode 100644
> index 0000000000000..517036639674c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
> @@ -0,0 +1,238 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019~2020 NXP
> + */
> +
> +#include <dt-bindings/clock/imx8-clock.h>
> +#include <dt-bindings/firmware/imx/rsrc.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/pads-imx8dxl.h>
> +#include <dt-bindings/thermal/thermal.h>
> +
> +/ {
> + interrupt-parent = <&gic>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + aliases {
> + ethernet0 = &fec1;
> + ethernet1 = &eqos;
> + gpio0 = &lsio_gpio0;
> + gpio1 = &lsio_gpio1;
> + gpio2 = &lsio_gpio2;
> + gpio3 = &lsio_gpio3;
> + gpio4 = &lsio_gpio4;
> + gpio5 = &lsio_gpio5;
> + gpio6 = &lsio_gpio6;
> + gpio7 = &lsio_gpio7;
> + mu1 = &lsio_mu1;
> + };
> +
> + cpus: cpus {
> + #address-cells = <2>;
> + #size-cells = <0>;
> +
> + /* We have 1 clusters with 2 Cortex-A35 cores */
> + A35_0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a35";
> + reg = <0x0 0x0>;
> + enable-method = "psci";
> + next-level-cache = <&A35_L2>;
> + clocks = <&clk IMX_SC_R_A35 IMX_SC_PM_CLK_CPU>;
> + #cooling-cells = <2>;
> + operating-points-v2 = <&a35_opp_table>;
> + };
> +
> + A35_1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a35";
> + reg = <0x0 0x1>;
> + enable-method = "psci";
> + next-level-cache = <&A35_L2>;
> + clocks = <&clk IMX_SC_R_A35 IMX_SC_PM_CLK_CPU>;
> + #cooling-cells = <2>;
> + operating-points-v2 = <&a35_opp_table>;
> + };
> +
> + A35_L2: l2-cache0 {
> + compatible = "cache";
> + };
> + };
> +
> + a35_opp_table: opp-table {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp-900000000 {
> + opp-hz = /bits/ 64 <900000000>;
> + opp-microvolt = <1000000>;
> + clock-latency-ns = <150000>;
> + };
> +
> + opp-1200000000 {
> + opp-hz = /bits/ 64 <1200000000>;
> + opp-microvolt = <1100000>;
> + clock-latency-ns = <150000>;
> + opp-suspend;
> + };
> + };
> +
> + gic: interrupt-controller@51a00000 {
> + compatible = "arm,gic-v3";
> + reg = <0x0 0x51a00000 0 0x10000>, /* GIC Dist */
> + <0x0 0x51b00000 0 0xc0000>; /* GICR (RD_base + SGI_base) */
> + #interrupt-cells = <3>;
> + interrupt-controller;
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + dsp_reserved: dsp@92400000 {
> + reg = <0 0x92400000 0 0x2000000>;
> + no-map;
> + };
> + };
> +
> + pmu {
> + compatible = "arm,armv8-pmuv3";
> + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + psci {
> + compatible = "arm,psci-1.0";
> + method = "smc";
> + };
> +
> + scu {
Please replace "scu {" with "system-controller {".
> + compatible = "fsl,imx-scu";
> + mbox-names = "tx0",
> + "rx0",
> + "gip3";
> + mboxes = <&lsio_mu1 0 0
> + &lsio_mu1 1 0
> + &lsio_mu1 3 3>;
> +
> + pd: power-controller {
> + compatible = "fsl,scu-pd";
> + #power-domain-cells = <1>;
> + wakeup-irq = <160 163 235 236 237 228 229 230 231 238
> + 239 240 166 169>;
> + };
> +
> + clk: clock-controller {
> + compatible = "fsl,imx8dxl-clk", "fsl,scu-clk";
> + #clock-cells = <2>;
> + clocks = <&xtal32k &xtal24m>;
> + clock-names = "xtal_32KHz", "xtal_24Mhz";
> + };
> +
> + iomuxc: pinctrl {
> + compatible = "fsl,imx8dxl-iomuxc";
> + };
> +
> + ocotp: ocotp {
> + compatible = "fsl,imx8qxp-scu-ocotp";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + fec_mac0: mac@2c4 {
> + reg = <0x2c4 6>;
> + };
> +
> + fec_mac1: mac@2c6 {
> + reg = <0x2c6 6>;
> + };
> + };
> +
> + rtc: rtc {
> + compatible = "fsl,imx8qxp-sc-rtc";
> + };
> +
> + sc_pwrkey: keys {
> + compatible = "fsl,imx8qxp-sc-key", "fsl,imx-sc-key";
> + linux,keycode = <KEY_POWER>;
> + wakeup-source;
> + };
> +
> + watchdog {
> + compatible = "fsl,imx-sc-wdt";
> + timeout-sec = <60>;
> + };
> +
> + tsens: thermal-sensor {
> + compatible = "fsl,imx-sc-thermal";
> + #thermal-sensor-cells = <1>;
> + };
> + };
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* Physical Secure */
> + <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* Physical Non-Secure */
> + <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* Virtual */
> + <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* Hypervisor */
> + };
> +
> + thermal_zones: thermal-zones {
> + cpu-thermal0 {
> + polling-delay-passive = <250>;
> + polling-delay = <2000>;
> + thermal-sensors = <&tsens IMX_SC_R_SYSTEM>;
> +
> + trips {
> + cpu_alert0: trip0 {
> + temperature = <107000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> + cpu_crit0: trip1 {
> + temperature = <127000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&cpu_alert0>;
> + cooling-device =
> + <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> + };
> +
> + /* The two values below cannot be changed by the board */
> + xtal32k: clock-xtal32k {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <32768>;
> + clock-output-names = "xtal_32KHz";
> + };
> +
> + xtal24m: clock-xtal24m {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <24000000>;
> + clock-output-names = "xtal_24MHz";
> + };
> +
> + /* sorted in register address */
> + #include "imx8-ss-adma.dtsi"
> + #include "imx8-ss-conn.dtsi"
> + #include "imx8-ss-ddr.dtsi"
> + #include "imx8-ss-lsio.dtsi"
> +};
> +
> +#include "imx8dxl-ss-adma.dtsi"
> +#include "imx8dxl-ss-conn.dtsi"
> +#include "imx8dxl-ss-lsio.dtsi"
> +#include "imx8dxl-ss-ddr.dtsi"
> --
> 2.25.1
>
