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Message-Id: <7804b2d7de24532e93e54c2d2a10e2b8f4afdadd.1704305544.git.jan.kiszka@siemens.com>
Date: Wed, 3 Jan 2024 19:12:24 +0100
From: Jan Kiszka <jan.kiszka@...mens.com>
To: Nishanth Menon <nm@...com>,
Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
Bao Cheng Su <baocheng.su@...mens.com>,
Chao Zeng <chao.zeng@...mens.com>,
Li Hua Qian <huaqian.li@...mens.com>
Subject: [PATCH v2 7/7] arm64: dts: ti: iot2050: Support IOT2050-SM variant
From: Baocheng Su <baocheng.su@...mens.com>
Main differences between the new variant and Advanced PG2:
1. Arduino interface is removed. Instead, an new ASIC is added for
communicating with PLC 1200 signal modules.
2. USB 3.0 type A connector is removed, only USB 2.0 type A connector is
available.
3. DP interface is removed. Instead, to communicate with PLC 1200 signal
modules, a USB 3.0 type B connector is added but the signals are
actually not USB.
4. DDR size is increased to 4 GB.
5. Two sensors are added, one tilt sensor and one light sensor.
The light sensor it not yet added to the DT at this stage as it depends
on to-be-added bindings.
Co-developed-by: Chao Zeng <chao.zeng@...mens.com>
Signed-off-by: Chao Zeng <chao.zeng@...mens.com>
Co-developed-by: Li Hua Qian <huaqian.li@...mens.com>
Signed-off-by: Li Hua Qian <huaqian.li@...mens.com>
Signed-off-by: Baocheng Su <baocheng.su@...mens.com>
[Jan: rebase over dtsi refactorings, split-out light sensor, improve LEDs]
Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
arch/arm64/boot/dts/ti/Makefile | 1 +
.../dts/ti/k3-am6548-iot2050-advanced-sm.dts | 189 ++++++++++++++++++
2 files changed, 190 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-sm.dts
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 77a347f9f47d..9b15eaad284c 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -53,6 +53,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-sm.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am654-gp-evm.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am654-evm.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-sm.dts b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-sm.dts
new file mode 100644
index 000000000000..338834fda566
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-sm.dts
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Authors:
+ * Baocheng Su <baocheng.su@...mens.com>
+ * Chao Zeng <chao.zeng@...mens.com>
+ * Huaqian Li <huaqian.li@...mens.com>
+ *
+ * AM6548-based (quad-core) IOT2050 SM variant, Product Generation 2
+ * 4 GB RAM, 16 GB eMMC, USB-serial converter on connector X30
+ *
+ * Product homepage:
+ * https://new.siemens.com/global/en/products/automation/pc-based/iot-gateways/simatic-iot2050.html
+ */
+
+/dts-v1/;
+
+#include "k3-am6548-iot2050-advanced-common.dtsi"
+#include "k3-am65-iot2050-common-pg2.dtsi"
+
+/ {
+ compatible = "siemens,iot2050-advanced-sm", "ti,am654";
+ model = "SIMATIC IOT2050 Advanced SM";
+
+ memory@...00000 {
+ device_type = "memory";
+ /* 4G RAM */
+ reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
+ <0x00000008 0x80000000 0x00000000 0x80000000>;
+ };
+
+ aliases {
+ spi1 = &main_spi0;
+ };
+
+ leds {
+ pinctrl-0 = <&leds_pins_default>, <&user1_led_pins>;
+
+ led-2 {
+ gpios = <&wkup_gpio0 52 GPIO_ACTIVE_HIGH>;
+ };
+
+ led-3 {
+ gpios = <&wkup_gpio0 53 GPIO_ACTIVE_HIGH>;
+ };
+ };
+};
+
+&main_pmx0 {
+ main_pcie_enable_pins_default: main-pcie-enable-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x01d8, PIN_OUTPUT, 7) /* (AH12) GPIO1_22 */
+ >;
+ };
+
+ main_spi0_pins: main-spi0-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x01c4, PIN_INPUT, 0) /* (AH13) SPI0_CLK */
+ AM65X_IOPAD(0x01c8, PIN_INPUT, 0) /* (AE13) SPI0_D0 */
+ AM65X_IOPAD(0x01cc, PIN_INPUT, 0) /* (AD13) SPI0_D1 */
+ AM65X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (AG13) SPI0_CS0 */
+ >;
+ };
+};
+
+&main_pmx1 {
+ asic_spi_mux_ctrl_pin: asic-spi-mux-ctrl-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0010, PIN_OUTPUT, 7) /* (D21) GPIO1_86 */
+ >;
+ };
+};
+
+&wkup_pmx0 {
+ user1_led_pins: user1-led-default-pins {
+ pinctrl-single,pins = <
+ /* (AB1) WKUP_UART0_RXD:WKUP_GPIO0_52, as USER 1 led red */
+ AM65X_WKUP_IOPAD(0x00a0, PIN_OUTPUT, 7)
+ /* (AB5) WKUP_UART0_TXD:WKUP_GPIO0_53, as USER 1 led green */
+ AM65X_WKUP_IOPAD(0x00a4, PIN_OUTPUT, 7)
+ >;
+ };
+
+ soc_asic_pins: soc-asic-default-pins {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x0044, PIN_INPUT, 7) /* (P4) WKUP_GPIO0_29 */
+ AM65X_WKUP_IOPAD(0x0048, PIN_INPUT, 7) /* (P5) WKUP_GPIO0_30 */
+ AM65X_WKUP_IOPAD(0x004c, PIN_INPUT, 7) /* (P1) WKUP_GPIO0_31 */
+ >;
+ };
+};
+
+&main_gpio0 {
+ gpio-line-names = "main_gpio0-base";
+};
+
+&main_gpio1 {
+ pinctrl-names = "default";
+ pinctrl-0 =
+ <&cp2102n_reset_pin_default>,
+ <&main_pcie_enable_pins_default>,
+ <&asic_spi_mux_ctrl_pin>;
+ gpio-line-names =
+ /* 0..9 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 10..19 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 20..29 */
+ "", "", "", "", "CP2102N-RESET", "", "", "", "", "",
+ /* 30..39 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 40..49 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 50..59 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 60..69 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 70..79 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 80..86 */
+ "", "", "", "", "", "", "ASIC-spi-mux-ctrl";
+};
+
+&wkup_gpio0 {
+ pinctrl-names = "default";
+ pinctrl-0 =
+ <&push_button_pins_default>,
+ <&db9_com_mode_pins_default>,
+ <&soc_asic_pins>;
+ gpio-line-names =
+ /* 0..9 */
+ "wkup_gpio0-base", "", "", "", "UART0-mode1", "UART0-mode0",
+ "UART0-enable", "UART0-terminate", "", "WIFI-disable",
+ /* 10..19 */
+ "", "", "", "", "", "", "", "", "", "",
+ /* 20..29 */
+ "", "", "", "", "", "USER-button", "", "", "","ASIC-gpio-0",
+ /* 30..31 */
+ "ASIC-gpio-1", "ASIC-gpio-2";
+};
+
+&main_spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_spi0_pins>;
+
+ #address-cells = <1>;
+ #size-cells= <0>;
+};
+
+&mcu_spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_spi0_pins_default>;
+};
+
+&main_i2c3 {
+ accelerometer: lsm6dso@6a {
+ compatible = "st,lsm6dso";
+ reg = <0x6a>;
+ };
+};
+
+&dss {
+ status = "disabled";
+};
+
+&serdes0 {
+ assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>;
+ assigned-clock-parents = <&k3_clks 153 8>, <&k3_clks 153 4>;
+};
+
+&serdes1 {
+ status = "disabled";
+};
+
+&pcie0_rc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&minipcie_pins_default>;
+
+ num-lanes = <1>;
+ phys = <&serdes0 PHY_TYPE_PCIE 1>;
+ phy-names = "pcie-phy0";
+ reset-gpios = <&wkup_gpio0 27 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
+&pcie1_rc {
+ status = "disabled";
+};
--
2.35.3
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