* [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND
@ 2025-10-27 11:04 Alexander Stein
2025-10-27 11:04 ` [PATCH v3 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees Alexander Stein
2025-10-27 16:42 ` [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND Conor Dooley
0 siblings, 2 replies; 4+ messages in thread
From: Alexander Stein @ 2025-10-27 11:04 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Matthias Schiffer, devicetree, linux-kernel, imx,
linux-arm-kernel, linux, Frank Li, Alexander Stein
From: Matthias Schiffer <matthias.schiffer@tq-group.com>
Add two mainboards for the TQ-Systems TQMLS1028A SoM, based on the NXP
Layerscape LS1028A.
Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
Changes in v3:
* Add Frank's R-b
Changes in v2:
* Fix indentation
Documentation/devicetree/bindings/arm/fsl.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index c5d81e3f8bd17..fbffb1a536ba3 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -1656,6 +1656,15 @@ properties:
- const: kontron,sl28
- const: fsl,ls1028a
+ - description:
+ TQ-Systems TQMLS1028A SoM on MBLS1028A/MBLS1028A-IND board
+ items:
+ - enum:
+ - tq,ls1028a-tqmls1028a-mbls1028a
+ - tq,ls1028a-tqmls1028a-mbls1028a-ind
+ - const: tq,ls1028a-tqmls1028a
+ - const: fsl,ls1028a
+
- description: LS1043A based Boards
items:
- enum:
--
2.43.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v3 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees
2025-10-27 11:04 [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND Alexander Stein
@ 2025-10-27 11:04 ` Alexander Stein
2025-11-16 4:01 ` Shawn Guo
2025-10-27 16:42 ` [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND Conor Dooley
1 sibling, 1 reply; 4+ messages in thread
From: Alexander Stein @ 2025-10-27 11:04 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Gregor Herburger, devicetree, linux-kernel, imx, linux-arm-kernel,
linux, Alexander Stein
From: Gregor Herburger <gregor.herburger@tq-group.com>
Add device trees for the MBLS1028A and the MBLS1028A-IND and the SoM
TQMLS1028A.
Signed-off-by: Gregor Herburger <gregor.herburger@tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
Changes in v3:
* Fix ethernet PHY interrupt polarity
* Remove downstream properties
Changes in v2:
* Sort node and properties alphabetically
* Add clock-frequency to i2c nodes
* Add eMMC supplies
* Add comment about unused TMU
arch/arm64/boot/dts/freescale/Makefile | 2 +
.../fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts | 68 ++++
.../fsl-ls1028a-tqmls1028a-mbls1028a.dts | 118 +++++++
.../fsl-ls1028a-tqmls1028a-mbls1028a.dtsi | 290 ++++++++++++++++++
.../dts/freescale/fsl-ls1028a-tqmls1028a.dtsi | 124 ++++++++
5 files changed, 602 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index ca6cf40dd00be..59d3d76a3194c 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -16,6 +16,8 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var3-ads2.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var4.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-rdb.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-tqmls1028a-mbls1028a.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-tqmls1028a-mbls1028a-ind.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-qds.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-rdb.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-tqmls1043a-mbls10xxa.dtb
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
new file mode 100644
index 0000000000000..571b801c4f145
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Michael Krummsdorf
+ * Author: Matthias Schiffer
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+
+#include "fsl-ls1028a-tqmls1028a-mbls1028a.dtsi"
+
+/ {
+ model = "MBLS1028A-IND starterkit";
+ compatible = "tq,ls1028a-tqmls1028a-mbls1028a-ind", "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
+};
+
+&i2c5 {
+ gpio_exp_3v3: gpio@71 {
+ compatible = "nxp,pca9538";
+ reg = <0x71>;
+ #gpio-cells = <2>;
+ gpio-controller;
+
+ clk-intn-hog {
+ gpio-hog;
+ gpios = <0 GPIO_ACTIVE_HIGH>;
+ input;
+ line-name = "CLK_INT#";
+ };
+
+ mpcie-waken-hog {
+ gpio-hog;
+ gpios = <2 GPIO_ACTIVE_HIGH>;
+ input;
+ line-name = "MPCIE_WAKE#";
+ };
+
+ mpcie-disn-hog {
+ gpio-hog;
+ gpios = <3 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "MPCIE_DIS#";
+ };
+
+ mpcie-rstn-hog {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "MPCIE_RST#";
+ };
+
+ sata-perstn-hog {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "SATA_PERST#";
+ };
+
+ dcdc-reset-hog {
+ gpio-hog;
+ gpios = <7 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "DCDC_RESET";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
new file mode 100644
index 0000000000000..02563f982ff81
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Michael Krummsdorf
+ * Author: Matthias Schiffer
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "fsl-ls1028a-tqmls1028a-mbls1028a.dtsi"
+
+/ {
+ model = "MBLS1028A starterkit";
+ compatible = "tq,ls1028a-tqmls1028a-mbls1028a", "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
+
+ gpio-beeper {
+ compatible = "gpio-beeper";
+ gpios = <&gpio_exp_3v3 15 GPIO_ACTIVE_HIGH>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ autorepeat;
+
+ button-0 {
+ label = "S4";
+ linux,code = <BTN_0>;
+ gpios = <&gpio_exp_3v3 11 GPIO_ACTIVE_LOW>;
+ };
+
+ button-1 {
+ label = "S5";
+ linux,code = <BTN_1>;
+ gpios = <&gpio_exp_3v3 12 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ led-1 {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <1>;
+ gpios = <&gpio_exp_3v3 14 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-on";
+ };
+
+ led-2 {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_HEARTBEAT;
+ gpios = <&gpio_exp_3v3 13 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+};
+
+&gpio_exp_1v8 {
+ dcdc-reset-hog {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+ line-name = "DCDC_RESET";
+ output-low;
+ };
+};
+
+&i2c5 {
+ gpio_exp_3v3: gpio@25 {
+ compatible = "nxp,pca9555";
+ reg = <0x25>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio1>;
+ interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
+ vcc-supply = <®_3p3v>;
+
+ clk-intn-hog {
+ gpio-hog;
+ gpios = <0 GPIO_ACTIVE_HIGH>;
+ input;
+ line-name = "CLK_INT#";
+ };
+
+ mpcie-waken-hog {
+ gpio-hog;
+ gpios = <2 GPIO_ACTIVE_HIGH>;
+ input;
+ line-name = "MPCIE_WAKE#";
+ };
+
+ mpcie-disn-hog {
+ gpio-hog;
+ gpios = <3 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "MPCIE_DIS#";
+ };
+
+ mpcie-rstn-hog {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "MPCIE_RST#";
+ };
+
+ sata-perstn-hog {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "SATA_PERST#";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
new file mode 100644
index 0000000000000..8f9dc0f138a63
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Michael Krummsdorf
+ * Author: Matthias Schiffer
+ * Author: Alexander Stein
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/net/ti-dp83867.h>
+#include "fsl-ls1028a-tqmls1028a.dtsi"
+
+/ {
+ aliases {
+ gpio0 = &gpio1;
+ gpio1 = &gpio2;
+ gpio2 = &gpio3;
+
+ crypto = &crypto;
+
+ mmc0 = &esdhc; /* SD-Card */
+ mmc1 = &esdhc1; /* eMMC */
+
+ serial0 = &duart0;
+ serial1 = &duart1;
+ };
+
+ chosen {
+ stdout-path = &duart0;
+ };
+
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "V_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "V_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* global autoconfigured region for contiguous allocations */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ /* 256 MiB */
+ size = <0 0x10000000>;
+ linux,cma-default;
+ };
+ };
+};
+
+&can0 {
+ status = "okay";
+};
+
+&can1 {
+ status = "okay";
+};
+
+&dspi2 {
+ bus-num = <2>;
+ status = "okay";
+};
+
+&duart0 {
+ status = "okay";
+};
+
+&duart1 {
+ status = "okay";
+};
+
+&esdhc {
+ cd-gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
+ disable-wp;
+ no-mmc;
+ no-sdio;
+ no-1-8-v;
+ bus-width = <4>;
+ status = "okay";
+};
+
+/* When switched to baseboard-internal i2c bus,
+ * IIC5 has access to the following devices.
+ */
+&i2c4 {
+ /* TUSB8041 only supports 100 KHz, but it is not connected */
+ clock-frequency = <400000>;
+ status = "okay";
+
+ /* SI5338 - set up in U-Boot */
+ /* clockgen@70 */
+};
+
+&i2c5 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ gpio_exp_1v8: gpio@70 {
+ compatible = "nxp,pca9538";
+ reg = <0x70>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio1>;
+ interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
+ vcc-supply = <®_1p8v>;
+
+ ec1-intn-hog {
+ gpio-hog;
+ gpios = <0 0>;
+ input;
+ line-name = "EC1_INT#";
+ };
+
+ sgmii-intn-hog {
+ gpio-hog;
+ gpios = <2 0>;
+ input;
+ line-name = "SGMII_INT#";
+ };
+
+ qsgmii-intn-hog {
+ gpio-hog;
+ gpios = <4 0>;
+ input;
+ line-name = "QSGMII_INT#";
+ };
+
+ qsgmii-rstn-hog {
+ gpio-hog;
+ gpios = <5 0>;
+ output-high;
+ line-name = "QSGMII_RESET#";
+ };
+ };
+};
+
+&enetc_mdio_pf3 {
+ mdio0_rgmii_phy00: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0x00>;
+ reset-gpios = <&gpio_exp_1v8 1 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <1>;
+ reset-deassert-us = <200>;
+ interrupt-parent = <&gpio_exp_1v8>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_50_NS>;
+ ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+ ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ };
+
+ mdio0_sgmii_phy03: ethernet-phy@3 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0x03>;
+ reset-gpios = <&gpio_exp_1v8 3 GPIO_ACTIVE_LOW>;
+ /*
+ * Long reset to work around PHY incorrect strap pin sampling
+ * due to external capacitors for SGMII
+ */
+ reset-assert-us = <2500>;
+ reset-deassert-us = <200>;
+ interrupt-parent = <&gpio_exp_1v8>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+ ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ };
+
+ qsgmii_phy1: ethernet-phy@1c {
+ reg = <0x1c>;
+ };
+
+ qsgmii_phy2: ethernet-phy@1d {
+ reg = <0x1d>;
+ };
+
+ qsgmii_phy3: ethernet-phy@1e {
+ reg = <0x1e>;
+ };
+
+ qsgmii_phy4: ethernet-phy@1f {
+ reg = <0x1f>;
+ };
+};
+
+&enetc_port0 {
+ phy-handle = <&mdio0_sgmii_phy03>;
+ phy-mode = "sgmii";
+ managed = "in-band-status";
+ status = "okay";
+};
+
+&enetc_port1 {
+ phy-handle = <&mdio0_rgmii_phy00>;
+ phy-mode = "rgmii-id";
+ status = "okay";
+};
+
+&enetc_port2 {
+ status = "okay";
+};
+
+&mscc_felix {
+ status = "okay";
+};
+
+/* l2switch ports */
+&mscc_felix_port0 {
+ phy-handle = <&qsgmii_phy1>;
+ phy-mode = "qsgmii";
+ status = "okay";
+};
+
+&mscc_felix_port1 {
+ phy-handle = <&qsgmii_phy2>;
+ phy-mode = "qsgmii";
+ status = "okay";
+};
+
+&mscc_felix_port2 {
+ phy-handle = <&qsgmii_phy3>;
+ phy-mode = "qsgmii";
+ status = "okay";
+};
+
+&mscc_felix_port3 {
+ phy-handle = <&qsgmii_phy4>;
+ phy-mode = "qsgmii";
+ status = "okay";
+};
+
+&mscc_felix_port4 {
+ ethernet = <&enetc_port2>;
+ status = "okay";
+};
+
+&pcie2 {
+ status = "okay";
+};
+
+&sata {
+ status = "okay";
+};
+
+&usb0 {
+ /* dual role is implemented, but not a full featured OTG */
+ hnp-disable;
+ srp-disable;
+ adp-disable;
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb1 {
+ dr_mode = "host";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ hub_2_0: hub@1 {
+ compatible = "usb451,8142";
+ reg = <1>;
+ peer-hub = <&hub_3_0>;
+ reset-gpios = <&gpio_exp_3v3 1 GPIO_ACTIVE_LOW>;
+ vdd-supply = <®_3p3v>;
+ };
+
+ hub_3_0: hub@2 {
+ compatible = "usb451,8140";
+ reg = <2>;
+ peer-hub = <&hub_2_0>;
+ reset-gpios = <&gpio_exp_3v3 1 GPIO_ACTIVE_LOW>;
+ vdd-supply = <®_3p3v>;
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
new file mode 100644
index 0000000000000..dbf24dbc043b7
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Michael Krummsdorf
+ * Author: Matthias Schiffer
+ * Author: Alexander Stein
+ */
+
+#include "fsl-ls1028a.dtsi"
+
+/ {
+ compatible = "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
+
+ reg_1p8v_som: regulator-1p8v-som {
+ compatible = "regulator-fixed";
+ regulator-name = "1P8V_SOM";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ reg_3p3v_som: regulator-3p3v-som {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V_SOM";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ thermal-zones {
+ /*
+ * TQMLS1028A uses an external temperature sensor
+ * instead of TMU
+ */
+ /delete-node/ ddr-controller;
+
+ cluster-thermal {
+ thermal-sensors = <&sa56004_4c 1>;
+ };
+ };
+};
+
+&esdhc1 {
+ no-sdio;
+ no-sd;
+ non-removable;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ mmc-ddr-1_8v;
+ bus-width = <8>;
+ vmmc-supply = <®_3p3v_som>;
+ vqmmc-supply = <®_1p8v_som>;
+ status = "okay";
+};
+
+&fspi {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <100000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ vcc-supply = <®_1p8v_som>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+ };
+};
+
+&i2c0 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ js42_18: temperature-sensor@18 {
+ compatible = "nxp,se97b", "jedec,jc-42.4-temp";
+ reg = <0x18>;
+ };
+
+ sa56004_4c: temperature-sensor@4c {
+ compatible = "nxp,sa56004";
+ reg = <0x4c>;
+ #thermal-sensor-cells = <1>;
+ vcc-supply = <®_3p3v_som>;
+ };
+
+ se97_50: eeprom@50 {
+ compatible = "nxp,se97b", "atmel,24c02";
+ read-only;
+ reg = <0x50>;
+ pagesize = <16>;
+ vcc-supply = <®_3p3v_som>;
+ };
+
+ rtc1: rtc@51 {
+ compatible = "nxp,pcf85063a";
+ reg = <0x51>;
+ quartz-load-femtofarads = <12500>;
+ };
+
+ m24c256_57: eeprom@57 {
+ compatible = "atmel,24c256";
+ reg = <0x57>;
+ pagesize = <32>;
+ vcc-supply = <®_3p3v_som>;
+ };
+};
+
+/*
+ * We use a separate sensor IC to measure core temperature. Disable the TMU
+ * as its driver can cause log spam outside of its measurement range (0-125C).
+ *
+ * Will have to be reevaluated if this DTS is ported to a mainline kernel,
+ * as both sensors of the TMU are referenced by the default LS1028A
+ * thermal-zones definitions there.
+ */
+&tmu {
+ status = "disabled";
+};
--
2.43.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND
2025-10-27 11:04 [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND Alexander Stein
2025-10-27 11:04 ` [PATCH v3 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees Alexander Stein
@ 2025-10-27 16:42 ` Conor Dooley
1 sibling, 0 replies; 4+ messages in thread
From: Conor Dooley @ 2025-10-27 16:42 UTC (permalink / raw)
To: Alexander Stein
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
Matthias Schiffer, devicetree, linux-kernel, imx,
linux-arm-kernel, linux, Frank Li
[-- Attachment #1: Type: text/plain, Size: 491 bytes --]
On Mon, Oct 27, 2025 at 12:04:55PM +0100, Alexander Stein wrote:
> From: Matthias Schiffer <matthias.schiffer@tq-group.com>
>
> Add two mainboards for the TQ-Systems TQMLS1028A SoM, based on the NXP
> Layerscape LS1028A.
>
> Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v3 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees
2025-10-27 11:04 ` [PATCH v3 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees Alexander Stein
@ 2025-11-16 4:01 ` Shawn Guo
0 siblings, 0 replies; 4+ messages in thread
From: Shawn Guo @ 2025-11-16 4:01 UTC (permalink / raw)
To: Alexander Stein
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
Gregor Herburger, devicetree, linux-kernel, imx, linux-arm-kernel,
linux
On Mon, Oct 27, 2025 at 12:04:56PM +0100, Alexander Stein wrote:
> From: Gregor Herburger <gregor.herburger@tq-group.com>
>
> Add device trees for the MBLS1028A and the MBLS1028A-IND and the SoM
> TQMLS1028A.
>
> Signed-off-by: Gregor Herburger <gregor.herburger@tq-group.com>
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
> ---
> Changes in v3:
> * Fix ethernet PHY interrupt polarity
> * Remove downstream properties
>
> Changes in v2:
> * Sort node and properties alphabetically
> * Add clock-frequency to i2c nodes
> * Add eMMC supplies
> * Add comment about unused TMU
>
> arch/arm64/boot/dts/freescale/Makefile | 2 +
> .../fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts | 68 ++++
> .../fsl-ls1028a-tqmls1028a-mbls1028a.dts | 118 +++++++
> .../fsl-ls1028a-tqmls1028a-mbls1028a.dtsi | 290 ++++++++++++++++++
> .../dts/freescale/fsl-ls1028a-tqmls1028a.dtsi | 124 ++++++++
> 5 files changed, 602 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index ca6cf40dd00be..59d3d76a3194c 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -16,6 +16,8 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var3-ads2.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var4.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-rdb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-tqmls1028a-mbls1028a.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-tqmls1028a-mbls1028a-ind.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-rdb.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-tqmls1043a-mbls10xxa.dtb
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
> new file mode 100644
> index 0000000000000..571b801c4f145
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
> @@ -0,0 +1,68 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Michael Krummsdorf
> + * Author: Matthias Schiffer
> + * Author: Alexander Stein
> + */
> +
> +/dts-v1/;
> +
> +#include "fsl-ls1028a-tqmls1028a-mbls1028a.dtsi"
> +
> +/ {
> + model = "MBLS1028A-IND starterkit";
> + compatible = "tq,ls1028a-tqmls1028a-mbls1028a-ind", "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
> +};
> +
> +&i2c5 {
> + gpio_exp_3v3: gpio@71 {
> + compatible = "nxp,pca9538";
> + reg = <0x71>;
> + #gpio-cells = <2>;
> + gpio-controller;
> +
> + clk-intn-hog {
> + gpio-hog;
> + gpios = <0 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "CLK_INT#";
> + };
> +
> + mpcie-waken-hog {
> + gpio-hog;
> + gpios = <2 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "MPCIE_WAKE#";
> + };
> +
> + mpcie-disn-hog {
> + gpio-hog;
> + gpios = <3 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "MPCIE_DIS#";
> + };
> +
> + mpcie-rstn-hog {
> + gpio-hog;
> + gpios = <4 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "MPCIE_RST#";
> + };
> +
> + sata-perstn-hog {
> + gpio-hog;
> + gpios = <6 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "SATA_PERST#";
> + };
> +
> + dcdc-reset-hog {
> + gpio-hog;
> + gpios = <7 GPIO_ACTIVE_HIGH>;
> + output-low;
> + line-name = "DCDC_RESET";
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
> new file mode 100644
> index 0000000000000..02563f982ff81
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
> @@ -0,0 +1,118 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Michael Krummsdorf
> + * Author: Matthias Schiffer
> + * Author: Alexander Stein
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include "fsl-ls1028a-tqmls1028a-mbls1028a.dtsi"
> +
> +/ {
> + model = "MBLS1028A starterkit";
> + compatible = "tq,ls1028a-tqmls1028a-mbls1028a", "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
> +
> + gpio-beeper {
> + compatible = "gpio-beeper";
> + gpios = <&gpio_exp_3v3 15 GPIO_ACTIVE_HIGH>;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + autorepeat;
> +
> + button-0 {
> + label = "S4";
> + linux,code = <BTN_0>;
> + gpios = <&gpio_exp_3v3 11 GPIO_ACTIVE_LOW>;
> + };
> +
> + button-1 {
> + label = "S5";
> + linux,code = <BTN_1>;
> + gpios = <&gpio_exp_3v3 12 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> +
> + led-1 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_STATUS;
> + function-enumerator = <1>;
> + gpios = <&gpio_exp_3v3 14 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "default-on";
> + };
> +
> + led-2 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + gpios = <&gpio_exp_3v3 13 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +};
> +
> +&gpio_exp_1v8 {
> + dcdc-reset-hog {
> + gpio-hog;
> + gpios = <6 GPIO_ACTIVE_HIGH>;
> + line-name = "DCDC_RESET";
> + output-low;
> + };
> +};
> +
> +&i2c5 {
> + gpio_exp_3v3: gpio@25 {
> + compatible = "nxp,pca9555";
> + reg = <0x25>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + interrupt-parent = <&gpio1>;
> + interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
> + vcc-supply = <®_3p3v>;
> +
> + clk-intn-hog {
> + gpio-hog;
> + gpios = <0 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "CLK_INT#";
> + };
> +
> + mpcie-waken-hog {
> + gpio-hog;
> + gpios = <2 GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "MPCIE_WAKE#";
> + };
> +
> + mpcie-disn-hog {
> + gpio-hog;
> + gpios = <3 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "MPCIE_DIS#";
> + };
> +
> + mpcie-rstn-hog {
> + gpio-hog;
> + gpios = <4 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "MPCIE_RST#";
> + };
> +
> + sata-perstn-hog {
> + gpio-hog;
> + gpios = <6 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "SATA_PERST#";
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
> new file mode 100644
> index 0000000000000..8f9dc0f138a63
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
> @@ -0,0 +1,290 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Michael Krummsdorf
> + * Author: Matthias Schiffer
> + * Author: Alexander Stein
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/net/ti-dp83867.h>
> +#include "fsl-ls1028a-tqmls1028a.dtsi"
> +
> +/ {
> + aliases {
> + gpio0 = &gpio1;
> + gpio1 = &gpio2;
> + gpio2 = &gpio3;
> +
> + crypto = &crypto;
> +
Can we drop these newlines and keep aliases sort alphabetically?
Shawn
> + mmc0 = &esdhc; /* SD-Card */
> + mmc1 = &esdhc1; /* eMMC */
> +
> + serial0 = &duart0;
> + serial1 = &duart1;
> + };
> +
> + chosen {
> + stdout-path = &duart0;
> + };
> +
> + reg_1p8v: regulator-1p8v {
> + compatible = "regulator-fixed";
> + regulator-name = "V_1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + reg_3p3v: regulator-3p3v {
> + compatible = "regulator-fixed";
> + regulator-name = "V_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + /* global autoconfigured region for contiguous allocations */
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + /* 256 MiB */
> + size = <0 0x10000000>;
> + linux,cma-default;
> + };
> + };
> +};
> +
> +&can0 {
> + status = "okay";
> +};
> +
> +&can1 {
> + status = "okay";
> +};
> +
> +&dspi2 {
> + bus-num = <2>;
> + status = "okay";
> +};
> +
> +&duart0 {
> + status = "okay";
> +};
> +
> +&duart1 {
> + status = "okay";
> +};
> +
> +&esdhc {
> + cd-gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
> + disable-wp;
> + no-mmc;
> + no-sdio;
> + no-1-8-v;
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> +/* When switched to baseboard-internal i2c bus,
> + * IIC5 has access to the following devices.
> + */
> +&i2c4 {
> + /* TUSB8041 only supports 100 KHz, but it is not connected */
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + /* SI5338 - set up in U-Boot */
> + /* clockgen@70 */
> +};
> +
> +&i2c5 {
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + gpio_exp_1v8: gpio@70 {
> + compatible = "nxp,pca9538";
> + reg = <0x70>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + interrupt-parent = <&gpio1>;
> + interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
> + vcc-supply = <®_1p8v>;
> +
> + ec1-intn-hog {
> + gpio-hog;
> + gpios = <0 0>;
> + input;
> + line-name = "EC1_INT#";
> + };
> +
> + sgmii-intn-hog {
> + gpio-hog;
> + gpios = <2 0>;
> + input;
> + line-name = "SGMII_INT#";
> + };
> +
> + qsgmii-intn-hog {
> + gpio-hog;
> + gpios = <4 0>;
> + input;
> + line-name = "QSGMII_INT#";
> + };
> +
> + qsgmii-rstn-hog {
> + gpio-hog;
> + gpios = <5 0>;
> + output-high;
> + line-name = "QSGMII_RESET#";
> + };
> + };
> +};
> +
> +&enetc_mdio_pf3 {
> + mdio0_rgmii_phy00: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0x00>;
> + reset-gpios = <&gpio_exp_1v8 1 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <1>;
> + reset-deassert-us = <200>;
> + interrupt-parent = <&gpio_exp_1v8>;
> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_50_NS>;
> + ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> + ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
> + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> + };
> +
> + mdio0_sgmii_phy03: ethernet-phy@3 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0x03>;
> + reset-gpios = <&gpio_exp_1v8 3 GPIO_ACTIVE_LOW>;
> + /*
> + * Long reset to work around PHY incorrect strap pin sampling
> + * due to external capacitors for SGMII
> + */
> + reset-assert-us = <2500>;
> + reset-deassert-us = <200>;
> + interrupt-parent = <&gpio_exp_1v8>;
> + interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
> + ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
> + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> + };
> +
> + qsgmii_phy1: ethernet-phy@1c {
> + reg = <0x1c>;
> + };
> +
> + qsgmii_phy2: ethernet-phy@1d {
> + reg = <0x1d>;
> + };
> +
> + qsgmii_phy3: ethernet-phy@1e {
> + reg = <0x1e>;
> + };
> +
> + qsgmii_phy4: ethernet-phy@1f {
> + reg = <0x1f>;
> + };
> +};
> +
> +&enetc_port0 {
> + phy-handle = <&mdio0_sgmii_phy03>;
> + phy-mode = "sgmii";
> + managed = "in-band-status";
> + status = "okay";
> +};
> +
> +&enetc_port1 {
> + phy-handle = <&mdio0_rgmii_phy00>;
> + phy-mode = "rgmii-id";
> + status = "okay";
> +};
> +
> +&enetc_port2 {
> + status = "okay";
> +};
> +
> +&mscc_felix {
> + status = "okay";
> +};
> +
> +/* l2switch ports */
> +&mscc_felix_port0 {
> + phy-handle = <&qsgmii_phy1>;
> + phy-mode = "qsgmii";
> + status = "okay";
> +};
> +
> +&mscc_felix_port1 {
> + phy-handle = <&qsgmii_phy2>;
> + phy-mode = "qsgmii";
> + status = "okay";
> +};
> +
> +&mscc_felix_port2 {
> + phy-handle = <&qsgmii_phy3>;
> + phy-mode = "qsgmii";
> + status = "okay";
> +};
> +
> +&mscc_felix_port3 {
> + phy-handle = <&qsgmii_phy4>;
> + phy-mode = "qsgmii";
> + status = "okay";
> +};
> +
> +&mscc_felix_port4 {
> + ethernet = <&enetc_port2>;
> + status = "okay";
> +};
> +
> +&pcie2 {
> + status = "okay";
> +};
> +
> +&sata {
> + status = "okay";
> +};
> +
> +&usb0 {
> + /* dual role is implemented, but not a full featured OTG */
> + hnp-disable;
> + srp-disable;
> + adp-disable;
> + dr_mode = "otg";
> + status = "okay";
> +};
> +
> +&usb1 {
> + dr_mode = "host";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
> +
> + hub_2_0: hub@1 {
> + compatible = "usb451,8142";
> + reg = <1>;
> + peer-hub = <&hub_3_0>;
> + reset-gpios = <&gpio_exp_3v3 1 GPIO_ACTIVE_LOW>;
> + vdd-supply = <®_3p3v>;
> + };
> +
> + hub_3_0: hub@2 {
> + compatible = "usb451,8140";
> + reg = <2>;
> + peer-hub = <&hub_2_0>;
> + reset-gpios = <&gpio_exp_3v3 1 GPIO_ACTIVE_LOW>;
> + vdd-supply = <®_3p3v>;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
> new file mode 100644
> index 0000000000000..dbf24dbc043b7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
> @@ -0,0 +1,124 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Michael Krummsdorf
> + * Author: Matthias Schiffer
> + * Author: Alexander Stein
> + */
> +
> +#include "fsl-ls1028a.dtsi"
> +
> +/ {
> + compatible = "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
> +
> + reg_1p8v_som: regulator-1p8v-som {
> + compatible = "regulator-fixed";
> + regulator-name = "1P8V_SOM";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + reg_3p3v_som: regulator-3p3v-som {
> + compatible = "regulator-fixed";
> + regulator-name = "3P3V_SOM";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + thermal-zones {
> + /*
> + * TQMLS1028A uses an external temperature sensor
> + * instead of TMU
> + */
> + /delete-node/ ddr-controller;
> +
> + cluster-thermal {
> + thermal-sensors = <&sa56004_4c 1>;
> + };
> + };
> +};
> +
> +&esdhc1 {
> + no-sdio;
> + no-sd;
> + non-removable;
> + mmc-hs200-1_8v;
> + mmc-hs400-1_8v;
> + mmc-ddr-1_8v;
> + bus-width = <8>;
> + vmmc-supply = <®_3p3v_som>;
> + vqmmc-supply = <®_1p8v_som>;
> + status = "okay";
> +};
> +
> +&fspi {
> + status = "okay";
> +
> + flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <100000000>;
> + spi-tx-bus-width = <4>;
> + spi-rx-bus-width = <4>;
> + vcc-supply = <®_1p8v_som>;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> + };
> +};
> +
> +&i2c0 {
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + js42_18: temperature-sensor@18 {
> + compatible = "nxp,se97b", "jedec,jc-42.4-temp";
> + reg = <0x18>;
> + };
> +
> + sa56004_4c: temperature-sensor@4c {
> + compatible = "nxp,sa56004";
> + reg = <0x4c>;
> + #thermal-sensor-cells = <1>;
> + vcc-supply = <®_3p3v_som>;
> + };
> +
> + se97_50: eeprom@50 {
> + compatible = "nxp,se97b", "atmel,24c02";
> + read-only;
> + reg = <0x50>;
> + pagesize = <16>;
> + vcc-supply = <®_3p3v_som>;
> + };
> +
> + rtc1: rtc@51 {
> + compatible = "nxp,pcf85063a";
> + reg = <0x51>;
> + quartz-load-femtofarads = <12500>;
> + };
> +
> + m24c256_57: eeprom@57 {
> + compatible = "atmel,24c256";
> + reg = <0x57>;
> + pagesize = <32>;
> + vcc-supply = <®_3p3v_som>;
> + };
> +};
> +
> +/*
> + * We use a separate sensor IC to measure core temperature. Disable the TMU
> + * as its driver can cause log spam outside of its measurement range (0-125C).
> + *
> + * Will have to be reevaluated if this DTS is ported to a mainline kernel,
> + * as both sensors of the TMU are referenced by the default LS1028A
> + * thermal-zones definitions there.
> + */
> +&tmu {
> + status = "disabled";
> +};
> --
> 2.43.0
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-11-16 4:01 UTC | newest]
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2025-10-27 11:04 [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND Alexander Stein
2025-10-27 11:04 ` [PATCH v3 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees Alexander Stein
2025-11-16 4:01 ` Shawn Guo
2025-10-27 16:42 ` [PATCH v3 1/2] dt-bindings: arm: fsl: add TQ-Systems boards MBLS1028A and MBLS1028A-IND Conor Dooley
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