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Message-Id: <20221114162547.1802689-1-martin.botka@somainline.org>
Date: Mon, 14 Nov 2022 17:25:46 +0100
From: Martin Botka <martin.botka@...ainline.org>
To: martin.botka1@...il.com
Cc: ~postmarketos/upstreaming@...ts.sr.ht,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>,
Marijn Suijten <marijn.suijten@...ainline.org>,
Jami Kettunen <jamipkettunen@...ainline.org>,
Paul Bouchara <paul.bouchara@...ainline.org>,
Yenda <jtrmal@...il.com>,
Martin Botka <martin.botka@...ainline.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: Add basic support for BIQU CB1
CB1 is Compute Module style board that plugs into Rpi board style adapter or
Manta 3D printer boards (M4P/M8P).
The board has:
H616 SoC
1GB of RAM
AXP313A PMIC
And the actual boards that CB1 plugs in are just extension to it with ports and
thus are not split in DT.
Boards have:
4x (3x for Manta boards) USB and 1 USB OTG.
SDcard slot for loading images.
Ethernet port wired to the internal PHY.
2x HDMI 2.0.
Power and Status LEDs.
Currently working:
Booting
USB
UART
Signed-off-by: Martin Botka <martin.botka@...ainline.org>
---
arch/arm64/boot/dts/allwinner/Makefile | 1 +
.../dts/allwinner/sun50i-h616-biqu-cb1.dts | 191 ++++++++++++++++++
2 files changed, 192 insertions(+)
create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts
diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 6a96494a2e0a..223f1be73541 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -38,5 +38,6 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-model-b.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6-mini.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-biqu-cb1.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-x96-mate.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts
new file mode 100644
index 000000000000..2225a965dddc
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts
@@ -0,0 +1,191 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2022 Arm Ltd.
+ */
+
+/dts-v1/;
+
+#include "sun50i-h616.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+ model = "BIQU CB1";
+ compatible = "allwinner,sun50i-h616";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ function = LED_FUNCTION_POWER;
+ color = <LED_COLOR_ID_RED>;
+ gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
+ default-state = "on";
+ };
+
+ led-1 {
+ function = LED_FUNCTION_STATUS;
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
+ };
+ };
+
+ reg_vcc5v: vcc5v {
+ /* board wide 5V supply directly from the USB-C socket */
+ compatible = "regulator-fixed";
+ regulator-name = "vcc-5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ reg_usb1_vbus: regulator-usb1-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb1-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <®_vcc5v>;
+ enable-active-high;
+ gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
+ };
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&ehci2 {
+ status = "okay";
+};
+
+&ehci3 {
+ status = "okay";
+};
+
+&mmc0 {
+ vmmc-supply = <®_dldo1>;
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+ no-1-8-v;
+ bus-width = <4>;
+ status = "disabled";
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&ohci2 {
+ status = "okay";
+};
+
+&ohci3 {
+ status = "okay";
+};
+
+&r_i2c {
+ status = "okay";
+
+ axp1530: pmic@36 {
+ compatible = "x-powers,axp1530";
+ status = "okay";
+ reg = <0x36>;
+ wakeup-source;
+
+ standby_param: standby_param {
+ vcc-dram = <0x4>;
+ };
+
+ regulators{
+ reg_dcdc1: dcdc1 {
+ regulator-name = "axp1530-dcdc1";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-step-delay-us = <25>;
+ regulator-final-delay-us = <50>;
+ regulator-always-on;
+ };
+
+ reg_dcdc2: dcdc2 {
+ regulator-name = "axp1530-dcdc2";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1540000>;
+ regulator-step-delay-us = <25>;
+ regulator-final-delay-us = <50>;
+ regulator-ramp-delay = <200>;
+ regulator-always-on;
+ };
+
+ reg_dcdc3: dcdc3 {
+ regulator-name = "axp1530-dcdc3";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1840000>;
+ regulator-step-delay-us = <25>;
+ regulator-final-delay-us = <50>;
+ regulator-always-on;
+ };
+
+ reg_aldo1: ldo1 {
+ regulator-name = "axp1530-aldo1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-step-delay-us = <25>;
+ regulator-final-delay-us = <50>;
+ regulator-always-on;
+ };
+
+ reg_dldo1: ldo2 {
+ regulator-name = "axp1530-dldo1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-step-delay-us = <25>;
+ regulator-final-delay-us = <50>;
+ regulator-always-on;
+ };
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_ph_pins>;
+ status = "okay";
+};
+
+&usbotg {
+ /*
+ * PHY0 pins are connected to a USB-C socket, but a role switch
+ * is not implemented: both CC pins are pulled to GND.
+ * The VBUS pins power the device, so a fixed peripheral mode
+ * is the best choice.
+ * The board can be powered via GPIOs, in this case port0 *can*
+ * act as a host (with a cable/adapter ignoring CC), as VBUS is
+ * then provided by the GPIOs. Any user of this setup would
+ * need to adjust the DT accordingly: dr_mode set to "host",
+ * enabling OHCI0 and EHCI0.
+ */
+ dr_mode = "peripheral";
+ status = "okay";
+};
+
+&usbphy {
+ usb1_vbus-supply = <®_usb1_vbus>;
+ status = "okay";
+};
--
2.38.1
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