ARM: dts: imx: Migrate iMX6QDL picoITX DTs from Linux

Migrate DH picoITX device trees from Linux commit 42226c989789
(tag v5.18-rc7). No changes have been made, the DTs are exact copies.
Furthermore add the DTB to dh_imx6_defconfig.

Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Philip Oberfichtner <pro@denx.de>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index f82bf87..8187e6d 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -738,6 +738,7 @@ dtb-y += \
        imx6dl-cubox-i-emmc-som-v15.dtb \
        imx6dl-cubox-i-som-v15.dtb \
        imx6dl-dhcom-pdk2.dtb \
+       imx6dl-dhcom-picoitx.dts \
        imx6dl-gw51xx.dtb \
        imx6dl-gw52xx.dtb \
        imx6dl-gw53xx.dtb \

diff --git a/arch/arm/dts/imx6dl-dhcom-picoitx.dts b/arch/arm/dts/imx6dl-dhcom-picoitx.dts
new file mode 100644 (file)
index 0000000..038bb00
--- /dev/null
+++ b/arch/arm/dts/imx6dl-dhcom-picoitx.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 DH electronics GmbH
+ *
+ * DHCOM iMX6 variant:
+ * DHCM-iMX6DL-C0800-R102-F0819-E-SD-RTC-T-HS-I-01D2
+ * DHCOM PCB number: 493-300 or newer
+ * PicoITX PCB number: 487-600 or newer
+ */
+/dts-v1/;
+
+#include "imx6dl.dtsi"
+#include "imx6qdl-dhcom-som.dtsi"
+#include "imx6qdl-dhcom-picoitx.dtsi"
+
+/ {
+       model = "DH electronics i.MX6DL DHCOM on PicoITX";
+       compatible = "dh,imx6dl-dhcom-picoitx", "dh,imx6dl-dhcom-som",
+                    "fsl,imx6dl";
+};

diff --git a/arch/arm/dts/imx6qdl-dhcom-picoitx.dtsi b/arch/arm/dts/imx6qdl-dhcom-picoitx.dtsi
new file mode 100644 (file)
index 0000000..4cd4cb9
--- /dev/null
+++ b/arch/arm/dts/imx6qdl-dhcom-picoitx.dtsi
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 DH electronics GmbH
+ */
+
+#include <dt-bindings/leds/common.h>
+
+/ {
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       led {
+               compatible = "gpio-leds";
+
+               led-0 {
+                       color = <LED_COLOR_ID_YELLOW>;
+                       default-state = "off";
+                       function = LED_FUNCTION_INDICATOR;
+                       gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* GPIO I */
+                       pinctrl-0 = <&pinctrl_dhcom_i>;
+                       pinctrl-names = "default";
+               };
+       };
+};
+
+&gpio1 {
+       gpio-line-names =
+               "", "", "DHCOM-A", "", "DHCOM-B", "PicoITX-In2", "", "",
+               "", "", "", "", "", "", "", "",
+               "DHCOM-R", "DHCOM-S", "DHCOM-Q", "DHCOM-T", "DHCOM-U", "", "", "",
+               "", "", "", "", "", "", "", "";
+};
+
+&gpio4 {
+       gpio-line-names =
+               "", "", "", "", "", "PicoITX-In1", "DHCOM-INT", "DHCOM-H",
+               "DHCOM-I", "PicoITX-HW2", "", "", "", "", "", "",
+               "", "", "", "", "PicoITX-Out1", "", "", "",
+               "", "", "", "", "", "", "", "";
+};
+
+&gpio6 {
+       gpio-line-names =
+               "", "", "", "PicoITX-Out2", "", "", "SOM-HW1", "",
+               "", "", "", "", "", "", "PicoITX-HW0", "PicoITX-HW1",
+               "", "", "", "", "", "", "", "",
+               "", "", "", "", "", "", "", "";
+};
+
+&iomuxc {
+       pinctrl-0 = <
+                       /*
+                        * The following DHCOM GPIOs are used on this board.
+                        * Therefore, they have been removed from the list below.
+                        * I: yellow led
+                        */
+                       &pinctrl_hog_base
+                       &pinctrl_dhcom_a &pinctrl_dhcom_b &pinctrl_dhcom_c
+                       &pinctrl_dhcom_d &pinctrl_dhcom_e &pinctrl_dhcom_f
+                       &pinctrl_dhcom_g &pinctrl_dhcom_h
+                       &pinctrl_dhcom_j &pinctrl_dhcom_k &pinctrl_dhcom_l
+                       &pinctrl_dhcom_m &pinctrl_dhcom_n &pinctrl_dhcom_o
+                       &pinctrl_dhcom_p &pinctrl_dhcom_q &pinctrl_dhcom_r
+                       &pinctrl_dhcom_s &pinctrl_dhcom_t &pinctrl_dhcom_u
+                       &pinctrl_dhcom_v &pinctrl_dhcom_w &pinctrl_dhcom_int
+               >;
+       pinctrl-names = "default";
+};

diff --git a/configs/dh_imx6_defconfig b/configs/dh_imx6_defconfig
index 9c78987..558619f 100644 (file)
--- a/configs/dh_imx6_defconfig
+++ b/configs/dh_imx6_defconfig
@@ -53,7 +53,7 @@ CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_OF_CONTROL=y
-CONFIG_OF_LIST="imx6q-dhcom-pdk2 imx6dl-dhcom-pdk2 imx6s-dhcom-drc02"
+CONFIG_OF_LIST="imx6q-dhcom-pdk2 imx6dl-dhcom-pdk2 imx6s-dhcom-drc02 imx6dl-dhcom-picoitx"
 CONFIG_MULTI_DTB_FIT=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y