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/Linux-v5.10/Documentation/devicetree/bindings/usb/
Damlogic,meson-g12a-usb-ctrl.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/usb/amlogic,meson-g12a-usb-ctrl.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Amlogic Meson G12A DWC3 USB SoC Controller Glue
11 - Neil Armstrong <narmstrong@baylibre.com>
14 The Amlogic G12A embeds a DWC3 USB IP Core configured for USB2 and USB3
15 in host-only mode, and a DWC2 IP Core configured for USB2 peripheral mode
18 A glue connects the DWC3 core to USB2 PHYs and optionally to an USB3 PHY.
20 One of the USB2 PHYs can be re-routed in peripheral mode to a DWC2 USB IP.
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Ddwc2.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
15 - const: brcm,bcm2835-usb
16 - const: hisilicon,hi6220-usb
17 - items:
18 - const: rockchip,rk3066-usb
19 - const: snps,dwc2
20 - items:
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/Linux-v5.10/drivers/phy/amlogic/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Phy drivers for Amlogic platforms
6 tristate "Meson8, Meson8b, Meson8m2 and GXBB USB2 PHY driver"
14 Enable this to support the Meson USB2 PHYs found in Meson8,
19 tristate "Meson GXL and GXM USB2 PHY drivers"
26 Enable this to support the Meson USB2 PHYs found in Meson
31 tristate "Meson G12A USB2 PHY driver"
37 Enable this to support the Meson USB2 PHYs found in Meson
38 G12A SoCs.
42 tristate "Meson G12A USB3+PCIE Combo PHY driver"
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DMakefile1 # SPDX-License-Identifier: GPL-2.0-only
2 obj-$(CONFIG_PHY_MESON8B_USB2) += phy-meson8b-usb2.o
3 obj-$(CONFIG_PHY_MESON_GXL_USB2) += phy-meson-gxl-usb2.o
4 obj-$(CONFIG_PHY_MESON_G12A_USB2) += phy-meson-g12a-usb2.o
5 obj-$(CONFIG_PHY_MESON_G12A_USB3_PCIE) += phy-meson-g12a-usb3-pcie.o
6 obj-$(CONFIG_PHY_MESON_AXG_PCIE) += phy-meson-axg-pcie.o
7 obj-$(CONFIG_PHY_MESON_AXG_MIPI_PCIE_ANALOG) += phy-meson-axg-mipi-pcie-analog.o
Dphy-meson-g12a-usb2.c1 // SPDX-License-Identifier: GPL-2.0
3 * Meson G12A USB2 PHY driver
20 #include <linux/phy/phy.h>
169 static int phy_meson_g12a_usb2_init(struct phy *phy) in phy_meson_g12a_usb2_init() argument
171 struct phy_meson_g12a_usb2_priv *priv = phy_get_drvdata(phy); in phy_meson_g12a_usb2_init()
175 ret = reset_control_reset(priv->reset); in phy_meson_g12a_usb2_init()
182 regmap_update_bits(priv->regmap, PHY_CTRL_R21, in phy_meson_g12a_usb2_init()
186 regmap_write(priv->regmap, PHY_CTRL_R16, in phy_meson_g12a_usb2_init()
195 regmap_write(priv->regmap, PHY_CTRL_R17, in phy_meson_g12a_usb2_init()
214 if (priv->soc_id == MESON_SOC_A1) in phy_meson_g12a_usb2_init()
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/Linux-v5.10/Documentation/devicetree/bindings/phy/
Damlogic,meson-g12a-usb2-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/phy/amlogic,meson-g12a-usb2-phy.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Amlogic G12A USB2 PHY
11 - Neil Armstrong <narmstrong@baylibre.com>
16 - amlogic,meson-g12a-usb2-phy
17 - amlogic,meson-a1-usb2-phy
25 clock-names:
27 - const: xtal
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/Linux-v5.10/drivers/usb/dwc3/
Ddwc3-meson-g12a.c1 // SPDX-License-Identifier: GPL-2.0
3 * USB Glue for Amlogic G12A SoCs
11 * - Control registers for each USB2 Ports
12 * - Control registers for the USB PHY layer
13 * - SuperSpeed PHY can be enabled only if port is used
14 * - Dynamic OTG switching with ID change interrupt
28 #include <linux/phy/phy.h>
33 /* USB2 Ports Control Registers, offsets are per-port */
120 "usb2-phy0", "usb2-phy1", "usb2-phy2",
124 "usb2-phy0", "usb2-phy1", "usb3-phy0",
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DKconfig1 # SPDX-License-Identifier: GPL-2.0
18 bool "Register ULPI PHY Interface"
21 Select this if you have ULPI type PHY attached to your DWC3
64 AM437x use this IP for USB2/3 functionality.
77 tristate "PCIe-based Platforms"
85 tristate "Synopsys PCIe-based HAPS Platforms"
97 Support of USB2/3 functionality in TI Keystone2 and AM654 platforms.
101 tristate "Amlogic Meson G12A Platforms"
108 Support USB2/3 functionality in Amlogic G12A platforms.
116 Support USB2/3 functionality in simple SoC integrations.
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/Linux-v5.10/arch/arm64/boot/dts/amlogic/
Dmeson-g12-common.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/phy/phy.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/clock/g12a-clkc.h>
9 #include <dt-bindings/clock/g12a-aoclkc.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
13 #include <dt-bindings/thermal/thermal.h>
16 interrupt-parent = <&gic>;
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Dmeson-sm1-khadas-vim3l.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include "meson-sm1.dtsi"
10 #include "meson-khadas-vim3.dtsi"
11 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
17 vddcpu: regulator-vddcpu {
21 compatible = "pwm-regulator";
23 regulator-name = "VDDCPU";
24 regulator-min-microvolt = <690000>;
25 regulator-max-microvolt = <1050000>;
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Dmeson-gxl.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-gx.dtsi"
8 #include <dt-bindings/clock/gxbb-clkc.h>
9 #include <dt-bindings/clock/gxbb-aoclkc.h>
10 #include <dt-bindings/gpio/meson-gxl-gpio.h>
11 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
14 compatible = "amlogic,meson-gxl";
18 compatible = "amlogic,meson-gxl-usb-ctrl";
21 #address-cells = <2>;
22 #size-cells = <2>;
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Dmeson-axg.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/axg-aoclkc.h>
7 #include <dt-bindings/clock/axg-audio-clkc.h>
8 #include <dt-bindings/clock/axg-clkc.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/gpio/meson-axg-gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
14 #include <dt-bindings/reset/amlogic,meson-axg-reset.h>
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/Linux-v5.10/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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