[PATCH v2 2/2] arm64: dts: ls1012a: add DTS for TQMLS1012al module with MBLS1012AL board
Shawn Guo
shawnguo2 at yeah.net
Wed Jun 11 02:05:30 PDT 2025
On Wed, Apr 30, 2025 at 02:06:01PM +0200, Alexander Stein wrote:
> From: Matthias Schiffer <matthias.schiffer at tq-group.com>
>
> Add initial support for TQMLS1012AL module mounted on MBLS1012AL.
> It supports UART1 for console, PCIe, I2C, USB, µSD card (default), SATA
> and QSPI.
> There is an alternative ordering option which provides an eMMC instead of
> an SD card. This uses a different DT instead.
> Due missing Packet Forwarding Engine (PFE) driver support, there is no
> support for Ethernet so far.
>
> Signed-off-by: Max Merchel <Max.Merchel at tq-group.com>
> Signed-off-by: Matthias Schiffer <matthias.schiffer at tq-group.com>
> Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> ---
> Changes in v2:
> * Be a bit more specific with lm75 compatible
> * Remove m25p,fast-read from spi-nor flash
>
> arch/arm64/boot/dts/freescale/Makefile | 2 +
> ...sl-ls1012a-tqmls1012al-mbls1012al-emmc.dts | 21 ++
> .../fsl-ls1012a-tqmls1012al-mbls1012al.dts | 346 ++++++++++++++++++
> .../freescale/fsl-ls1012a-tqmls1012al.dtsi | 73 ++++
> 4 files changed, 442 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al-emmc.dts
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al.dts
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index bf575395d7d5b..f6b8686ed3cfe 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -5,6 +5,8 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frwy.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-oxalis.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-rdb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-tqmls1012al-mbls1012al.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-tqmls1012al-mbls1012al-emmc.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-kbox-a-230-ls.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var1.dtb
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al-emmc.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al-emmc.dts
> new file mode 100644
> index 0000000000000..82dc0a7c7d535
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al-emmc.dts
> @@ -0,0 +1,21 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright (c) 2018-2025 TQ-Systems GmbH <linux at ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Matthias Schiffer
> + * Author: Max Merchel
> + */
> +
> +#include "fsl-ls1012a-tqmls1012al-mbls1012al.dts"
> +
> +&esdhc0 {
> + vqmmc-supply = <®_1p8v>;
> + /delete-property/ no-mmc;
> + disable-wp;
disable-wp is already present in esdhc0 of mbls1012al.dts?
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + no-sdio;
no-sdio too?
> + no-sd;
> + voltage-ranges = <1800 1800>;
> + non-removable;
> +};
What about the following sd properties? We don't need them for eMMC
device, do we?
sd-uhs-sdr104;
sd-uhs-sdr50;
sd-uhs-sdr25;
sd-uhs-sdr12;
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al.dts
> new file mode 100644
> index 0000000000000..147c7ca130c44
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al-mbls1012al.dts
> @@ -0,0 +1,346 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright (c) 2018-2025 TQ-Systems GmbH <linux at ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Matthias Schiffer
> + * Author: Max Merchel
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/net/ti-dp83867.h>
> +#include "fsl-ls1012a-tqmls1012al.dtsi"
> +
> +/ {
> + model = "TQ-Systems TQMLS1012AL on MBLS1012AL";
> + compatible = "tq,ls1012a-tqmls1012al-mbls1012al", "tq,ls1012a-tqmls1012al", "fsl,ls1012a";
> + chassis-type = "embedded";
> +
> + aliases {
> + serial0 = &duart0;
Can we sort it alphabetically?
> + /* use MAC from U-Boot environment */
> + /* TODO: PFE */
> + ethernet2 = &swport0;
> + ethernet3 = &swport1;
> + ethernet4 = &swport2;
> + ethernet5 = &swport3;
> + spi0 = &qspi;
> + };
> +
> + chosen {
> + stdout-path = &duart0;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + autorepeat;
> +
> + switch-1 {
> + label = "S2";
> + linux,code = <BTN_0>;
> + gpios = <&gpio_exp_3p3v 13 GPIO_ACTIVE_LOW>;
> + };
> +
> + switch-2 {
> + label = "X15";
> + linux,code = <BTN_1>;
> + gpios = <&gpio_exp_1p8v 5 GPIO_ACTIVE_LOW>;
> + };
> +
> + switch-3 {
> + label = "X16";
> + linux,code = <BTN_2>;
> + gpios = <&gpio_exp_1p8v 4 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> +
> + led-0 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + gpios = <&gpio_exp_3p3v 14 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "heartbeat";
> + };
> +
> + led-1 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_STATUS;
> + gpios = <&gpio_exp_3p3v 15 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "default-on";
> + };
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + /* global autoconfigured region for contiguous allocations */
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + /* 64 MiB */
> + size = <0 0x04000000>;
> + /* 512 - 128 MiB, our minimum RAM config will be 512 MiB */
> + alloc-ranges = <0 0x80000000 0 0x98000000>;
> + linux,cma-default;
> + };
> + };
> +
> + reg_1p5v: regulator-1p5v {
It doesn't seem to be used.
> + compatible = "regulator-fixed";
> + regulator-name = "1P5V";
> + regulator-min-microvolt = <1500000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + };
> +
> + reg_1p8v: regulator-1p8v {
> + compatible = "regulator-fixed";
> + regulator-name = "1P8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + reg_3p3v: regulator-3p3v {
> + compatible = "regulator-fixed";
> + regulator-name = "3P3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +};
> +
> +&duart0 {
> + status = "okay";
> +};
> +
> +&esdhc0 {
> + vmmc-supply = <®_3p3v>;
> + no-mmc;
> + no-sdio;
> + disable-wp;
> + sd-uhs-sdr104;
> + sd-uhs-sdr50;
> + sd-uhs-sdr25;
> + sd-uhs-sdr12;
> + status = "okay";
> +};
> +
> +&i2c0 {
> + lm75_48: temperature-sensor at 48 {
> + compatible = "national,lm75a";
> + reg = <0x48>;
> + vs-supply = <®_3p3v>;
> + };
> +
> + gpio_exp_3p3v: gpio-expander at 20 {
Please sort I2C devices in order of slave address.
Shawn
> + compatible = "nxp,pca9555";
> + reg = <0x20>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + vcc-supply = <®_3p3v>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-line-names = "", "", "GPIO_3V3_3", "",
> + "", "", "", "",
> + "", "GPIO_3V3_1", "GPIO_3V3_2", "",
> + "", "", "", "";
> +
> + wlan-disable-hog {
> + gpio-hog;
> + gpios = <0 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "WLAN_DISABLE#";
> + };
> +
> + vcc-pcie-en-3v3-hog {
> + gpio-hog;
> + gpios = <1 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "VCC_PCIE_EN_3V3";
> + };
> +
> + vcc-wlan-en-3v3-hog {
> + gpio-hog;
> + gpios = <3 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "VCC_WLAN_EN_3V3";
> + };
> +
> + pcie-rst-hog {
> + gpio-hog;
> + gpios = <4 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "PCIE_RST#";
> + };
> +
> + wlan-rst-hog {
> + gpio-hog;
> + gpios = <5 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "WLAN_RST#";
> + };
> +
> + pcie-dis-hog {
> + gpio-hog;
> + gpios = <11 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "PCIE_DIS#";
> + };
> +
> + pcie-wake-hog {
> + gpio-hog;
> + gpios = <12 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "PCIE_WAKE#";
> + };
> + };
> +
> + gpio_exp_1p8v: gpio-expander at 70 {
> + compatible = "nxp,pca9538";
> + reg = <0x70>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + vcc-supply = <®_1p8v>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-line-names = "PCIE_CLK_PD#", "PMIC_INT#", "ETH_SW_INT#", "",
> + "", "", "", "",
> + "", "GPIO_3V3_1", "GPIO_3V3_2", "",
> + "", "", "", "";
> +
> + /* do not change PCIE_CLK_PD */
> + pcie-clk-pd-hog {
> + gpio-hog;
> + gpios = <0 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "PCIE_CLK_PD#";
> + };
> +
> + pmic-int-hog {
> + gpio-hog;
> + gpios = <1 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "PMIC_INT#";
> + };
> +
> + eth-sw-int-hog {
> + gpio-hog;
> + gpios = <2 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "ETH_SW_INT#";
> + };
> +
> + eth-link-pwrdwn-hog {
> + gpio-hog;
> + gpios = <3 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "ETH_LINK_PWRDWN#";
> + };
> +
> + vcc-wlan-en-1v5-hog {
> + gpio-hog;
> + gpios = <6 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "VCC_WLAN_EN_1V5";
> + };
> +
> + vcc-pcie-en-1v5-hog {
> + gpio-hog;
> + gpios = <7 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "VCC_PCIE_EN_1V5";
> + };
> + };
> +
> + switch at 5f {
> + compatible = "microchip,ksz9897";
> + reg = <0x5f>;
> + reset-gpios = <&gpio_exp_3p3v 7 GPIO_ACTIVE_LOW>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + swport0: port at 0 {
> + reg = <0>;
> + label = "swp0";
> + phy-mode = "internal";
> + };
> +
> + swport1: port at 1 {
> + reg = <1>;
> + label = "swp1";
> + phy-mode = "internal";
> + };
> +
> + swport2: port at 2 {
> + reg = <2>;
> + label = "swp2";
> + phy-mode = "internal";
> + };
> +
> + swport3: port at 3 {
> + reg = <3>;
> + label = "swp3";
> + phy-mode = "internal";
> + };
> +
> + port at 6 {
> + reg = <6>;
> + label = "cpu";
> + /* TODO: PFE */
> + phy-mode = "rgmii-id";
> + rx-internal-delay-ps = <1500>;
> + tx-internal-delay-ps = <1500>;
> +
> + fixed-link {
> + speed = <1000>;
> + full-duplex;
> + };
> + };
> + };
> + };
> +};
> +
> +&pcie1 {
> + status = "okay";
> +};
> +
> +/* TODO: PFE */
> +
> +&sata {
> + status = "okay";
> +};
> +
> +&usb0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hub_2_0: hub at 1 {
> + compatible = "usb451,8142";
> + reg = <1>;
> + peer-hub = <&hub_3_0>;
> + reset-gpios = <&gpio_exp_3p3v 6 GPIO_ACTIVE_LOW>;
> + vdd-supply = <®_vcc_3v3>;
> + };
> +
> + hub_3_0: hub at 2 {
> + compatible = "usb451,8140";
> + reg = <2>;
> + peer-hub = <&hub_2_0>;
> + reset-gpios = <&gpio_exp_3p3v 6 GPIO_ACTIVE_LOW>;
> + vdd-supply = <®_vcc_3v3>;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al.dtsi
> new file mode 100644
> index 0000000000000..5f6ee8fd4094b
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-tqmls1012al.dtsi
> @@ -0,0 +1,73 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright (c) 2018-2025 TQ-Systems GmbH <linux at ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Matthias Schiffer
> + * Author: Max Merchel
> + */
> +
> +#include "fsl-ls1012a.dtsi"
> +
> +/ {
> + compatible = "tq,ls1012a-tqmls1012al", "fsl,ls1012a";
> +
> + memory at 80000000 {
> + device_type = "memory";
> + /* our minimum RAM config will be 512 MiB */
> + reg = <0x00000000 0x80000000 0 0x20000000>;
> + };
> +
> + reg_vcc_3v3: regulator-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "VCC_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + jc42_19: temperature-sensor at 19 {
> + compatible = "nxp,se97b", "jedec,jc-42.4-temp";
> + reg = <0x19>;
> + };
> +
> + m24c64_50: eeprom at 50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + pagesize = <32>;
> + vcc-supply = <®_vcc_3v3>;
> + };
> +
> + m24c02_51: eeprom at 51 {
> + compatible = "nxp,se97b", "atmel,24c02";
> + reg = <0x51>;
> + pagesize = <16>;
> + read-only;
> + vcc-supply = <®_vcc_3v3>;
> + };
> +
> + rtc1: rtc at 68 {
> + compatible = "dallas,ds1339";
> + reg = <0x68>;
> + };
> +};
> +
> +&qspi {
> + status = "okay";
> +
> + flash at 0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <39000000>;
> + spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <1>;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> + };
> +};
> --
> 2.43.0
>
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