linux-kernel - [PATCHv2 5/5] arm64: allwinner: a64: Add support for TERES-I laptop

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20180315162510.11669-6-harald@ccbib.org>
Date:   Thu, 15 Mar 2018 16:25:10 +0000
From:   Harald Geyer <harald@...ib.org>
To:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Andre Przywara <andre.przywara@....com>,
        Icenowy Zheng <icenowy@...c.io>, info@...mex.com,
        Harald Geyer <harald@...ib.org>
Subject: [PATCHv2 5/5] arm64: allwinner: a64: Add support for TERES-I laptop

The TERES-I is an open hardware laptop built by Olimex using the
Allwinner A64 SoC.

Add the board specific .dts file, which includes the A64 .dtsi and
enables the peripherals that we support so far.

Signed-off-by: Harald Geyer <harald@...ib.org>
---
changes since v1:
 * use SPDX header instead of license text
 * change model string to match compatible string
 * removed node labes from leds
 * added label properties ot led nodes
 * add a comment about the purpose of i2c0

 arch/arm64/boot/dts/allwinner/Makefile             |   1 +
 .../boot/dts/allwinner/sun50i-a64-teres-i.dts      | 279 +++++++++++++++++++++
 2 files changed, 280 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index f505227b0250..5f073f7423b7 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-olinuxino.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-orangepi-win.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
new file mode 100644
index 000000000000..b105430e0368
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) Harald Geyer <harald@...ib.org>
+ * based on sun50i-a64-olinuxino.dts by Jagan Teki <jteki@...nedev.com>
+ *
+ * SPDX-License-Identifier: (GPL-2.0 OR MIT)
+ */
+
+/dts-v1/;
+
+#include "sun50i-a64.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "Olimex A64 Teres-I";
+	compatible = "olimex,a64-teres-i", "allwinner,sun50i-a64";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 0 50000 0>;
+		brightness-levels = <0 10 20 30 40 50 60 70 100>;
+		default-brightness-level = <3>;
+		enable-gpios = <&pio 3 23 GPIO_ACTIVE_HIGH>; /* PD23 */
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+
+		framebuffer-lcd {
+			eDP25-supply = <&reg_dldo2>;
+			eDP12-supply = <&reg_dldo3>;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		lid-switch {
+			label = "Lid Switch";
+			gpios = <&r_pio 0 8 GPIO_ACTIVE_LOW>; /* PL8 */
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		capslock {
+			label = "leds:green:capslock";
+			gpios = <&pio 2 7 GPIO_ACTIVE_HIGH>; /* PC7 */
+		};
+
+		numlock {
+			label = "leds:green:numlock";
+			gpios = <&pio 2 4 GPIO_ACTIVE_HIGH>; /* PC4 */
+		};
+	};
+
+	reg_usb1_vbus: usb1-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb1-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+		gpio = <&r_pio 0 7 GPIO_ACTIVE_HIGH>; /* PL7 */
+		status = "okay";
+	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+	};
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+
+/* The ANX6345 eDP-bridge is on i2c0. There is no linux (mainline)
+ * driver for this chip at the moment, the bootloader initializes it.
+ * However it can be accessed with the i2c-dev driver from user space.
+ */
+&i2c0 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>;
+	vmmc-supply = <&reg_dcdc1>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	vmmc-supply = <&reg_aldo2>;
+	vqmmc-supply = <&reg_dldo4>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	rtl8723bs: wifi@1 {
+		reg = <1>;
+		interrupt-parent = <&r_pio>;
+		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
+		interrupt-names = "host-wake";
+	};
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins>;
+	vmmc-supply = <&reg_dcdc1>;
+	vqmmc-supply = <&reg_dcdc1>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	status = "okay";
+};
+
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm_pin>;
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&r_rsb {
+	status = "okay";
+
+	axp803: pmic@3a3 {
+		compatible = "x-powers,axp803";
+		reg = <0x3a3>;
+		interrupt-parent = <&r_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		wakeup-source;
+	};
+};
+
+#include "axp803.dtsi"
+
+&reg_aldo1 {
+	regulator-always-on;
+	regulator-min-microvolt = <2800000>;
+	regulator-max-microvolt = <2800000>;
+	regulator-name = "vcc-pe";
+};
+
+&reg_aldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-pl";
+};
+
+&reg_aldo3 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "vcc-pll-avcc";
+};
+
+&reg_dcdc1 {
+	regulator-always-on;
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-3v3";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1040000>;
+	regulator-max-microvolt = <1300000>;
+	regulator-name = "vdd-cpux";
+};
+
+/* DCDC3 is polyphased with DCDC2 */
+
+&reg_dcdc5 {
+	regulator-always-on;
+	regulator-min-microvolt = <1500000>;
+	regulator-max-microvolt = <1500000>;
+	regulator-name = "vcc-ddr3";
+};
+
+&reg_dcdc6 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vdd-sys";
+};
+
+&reg_dldo1 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-hdmi";
+};
+
+&reg_dldo2 {
+	regulator-min-microvolt = <2500000>;
+	regulator-max-microvolt = <2500000>;
+	regulator-name = "vcc-pd";
+};
+
+&reg_dldo3 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "eDP12";
+};
+
+&reg_dldo4 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-wifi-io";
+};
+
+&reg_eldo1 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "cpvdd";
+};
+
+&reg_eldo2 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-dvdd-csi";
+};
+
+&reg_fldo1 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "vcc-1v2-hsic";
+};
+
+/*
+ * The A64 chip cannot work without this regulator off, although
+ * it seems to be only driving the AR100 core.
+ * Maybe we don't still know well about CPUs domain.
+ */
+&reg_fldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vdd-cpus";
+};
+
+&reg_rtc_ldo {
+	regulator-name = "vcc-rtc";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&usbphy {
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	status = "okay";
+};
-- 
2.11.0