[v3,5/5] arm64: dts: meson: a1: support USB controller in OTG mode

Message ID 20230426102922.19705-6-ddrokosov@sberdevices.ru
State New
Headers
Series arm64: meson: support Amlogic A1 USB OTG controller |

Commit Message

Dmitry Rokosov April 26, 2023, 10:29 a.m. UTC
  Amlogic A1 SoC family has USB2.0 controller based on dwc2 and dwc3
heads. It supports otg/host/peripheral modes.

Signed-off-by: Yue Wang <yue.wang@amlogic.com>
Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 59 +++++++++++++++++++++++
 1 file changed, 59 insertions(+)
  

Comments

Martin Blumenstingl May 1, 2023, 12:49 p.m. UTC | #1
On Wed, Apr 26, 2023 at 12:29 PM Dmitry Rokosov
<ddrokosov@sberdevices.ru> wrote:
>
> Amlogic A1 SoC family has USB2.0 controller based on dwc2 and dwc3
> heads. It supports otg/host/peripheral modes.
>
> Signed-off-by: Yue Wang <yue.wang@amlogic.com>
> Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
> Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
  
Neil Armstrong May 9, 2023, 7:44 a.m. UTC | #2
Hi,

On 26/04/2023 12:29, Dmitry Rokosov wrote:
> Amlogic A1 SoC family has USB2.0 controller based on dwc2 and dwc3
> heads. It supports otg/host/peripheral modes.
> 
> Signed-off-by: Yue Wang <yue.wang@amlogic.com>
> Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
> Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
> ---
>   arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 59 +++++++++++++++++++++++
>   1 file changed, 59 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> index ae7d39cff07a..5588ee602161 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> @@ -8,6 +8,8 @@
>   #include <dt-bindings/gpio/meson-a1-gpio.h>
>   #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
>   #include <dt-bindings/clock/amlogic,a1-clkc.h>
> +#include <dt-bindings/power/meson-a1-power.h>
> +#include <dt-bindings/reset/amlogic,meson-a1-reset.h>
>   
>   / {
>   	compatible = "amlogic,a1";
> @@ -169,6 +171,17 @@ gpio_intc: interrupt-controller@0440 {
>   				amlogic,channel-interrupts =
>   					<49 50 51 52 53 54 55 56>;
>   			};
> +
> +			usb2_phy1: phy@4000 {
> +				compatible = "amlogic,a1-usb2-phy";
> +				clocks = <&clkc CLKID_USB_PHY_IN>;
> +				clock-names = "xtal";
> +				reg = <0x0 0x4000 0x0 0x60>;
> +				resets = <&reset RESET_USBPHY>;
> +				reset-names = "phy";
> +				#phy-cells = <0>;
> +				power-domains = <&pwrc PWRC_USB_ID>;
> +			};
>   		};
>   
>   		gic: interrupt-controller@ff901000 {
> @@ -192,6 +205,52 @@ spifc: spi@fd000400 {
>   			#size-cells = <0>;
>   			status = "disabled";
>   		};
> +
> +		usb: usb@fe004400 {
> +			status = "disabled";
> +			compatible = "amlogic,meson-a1-usb-ctrl";
> +			reg = <0x0 0xfe004400 0x0 0xa0>;
> +			interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			clocks = <&clkc CLKID_USB_CTRL>,
> +				 <&clkc CLKID_USB_BUS>,
> +				 <&clkc CLKID_USB_CTRL_IN>;
> +			clock-names = "usb_ctrl", "usb_bus", "xtal_usb_ctrl";
> +			resets = <&reset RESET_USBCTRL>;
> +			reset-name = "usb_ctrl";
> +
> +			dr_mode = "otg";
> +
> +			phys = <&usb2_phy1>;
> +			phy-names = "usb2-phy1";
> +
> +			dwc2: usb@ff500000 {
> +				compatible = "amlogic,meson-a1-usb", "snps,dwc2";
> +				reg = <0x0 0xff500000 0x0 0x40000>;
> +				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> +				phys = <&usb2_phy1>;
> +				phy-names = "usb2-phy";
> +				clocks = <&clkc CLKID_USB_PHY>;
> +				clock-names = "otg";
> +				dr_mode = "peripheral";
> +				g-rx-fifo-size = <192>;
> +				g-np-tx-fifo-size = <128>;
> +				g-tx-fifo-size = <128 128 16 16 16>;
> +			};
> +
> +			dwc3: usb@ff400000 {
> +				compatible = "snps,dwc3";
> +				reg = <0x0 0xff400000 0x0 0x100000>;
> +				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
> +				dr_mode = "host";
> +				snps,dis_u2_susphy_quirk;
> +				snps,quirk-frame-length-adjustment = <0x20>;
> +				snps,parkmode-disable-ss-quirk;
> +			};
> +		};
>   	};
>   
>   	timer {

This patcj is fine, but depends on clock bindings & dt, so now Vinod took the PHY
patch, please resend this wiyhout patches 1 & 5, then resend the DT patch later when
the clock bindings is merged.

Thanks,
Neil
  
Dmitry Rokosov May 11, 2023, 8:24 p.m. UTC | #3
Hello Neil,

I apologize for the delayed response, as I did not have access to my laptop
for a few days.

On Tue, May 09, 2023 at 09:44:33AM +0200, neil.armstrong@linaro.org wrote:
> Hi,
> 
> On 26/04/2023 12:29, Dmitry Rokosov wrote:
> > Amlogic A1 SoC family has USB2.0 controller based on dwc2 and dwc3
> > heads. It supports otg/host/peripheral modes.
> > 
> > Signed-off-by: Yue Wang <yue.wang@amlogic.com>
> > Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
> > Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
> > ---
> >   arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 59 +++++++++++++++++++++++
> >   1 file changed, 59 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> > index ae7d39cff07a..5588ee602161 100644
> > --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> > +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> > @@ -8,6 +8,8 @@
> >   #include <dt-bindings/gpio/meson-a1-gpio.h>
> >   #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
> >   #include <dt-bindings/clock/amlogic,a1-clkc.h>
> > +#include <dt-bindings/power/meson-a1-power.h>
> > +#include <dt-bindings/reset/amlogic,meson-a1-reset.h>
> >   / {
> >   	compatible = "amlogic,a1";
> > @@ -169,6 +171,17 @@ gpio_intc: interrupt-controller@0440 {
> >   				amlogic,channel-interrupts =
> >   					<49 50 51 52 53 54 55 56>;
> >   			};
> > +
> > +			usb2_phy1: phy@4000 {
> > +				compatible = "amlogic,a1-usb2-phy";
> > +				clocks = <&clkc CLKID_USB_PHY_IN>;
> > +				clock-names = "xtal";
> > +				reg = <0x0 0x4000 0x0 0x60>;
> > +				resets = <&reset RESET_USBPHY>;
> > +				reset-names = "phy";
> > +				#phy-cells = <0>;
> > +				power-domains = <&pwrc PWRC_USB_ID>;
> > +			};
> >   		};
> >   		gic: interrupt-controller@ff901000 {
> > @@ -192,6 +205,52 @@ spifc: spi@fd000400 {
> >   			#size-cells = <0>;
> >   			status = "disabled";
> >   		};
> > +
> > +		usb: usb@fe004400 {
> > +			status = "disabled";
> > +			compatible = "amlogic,meson-a1-usb-ctrl";
> > +			reg = <0x0 0xfe004400 0x0 0xa0>;
> > +			interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> > +			#address-cells = <2>;
> > +			#size-cells = <2>;
> > +			ranges;
> > +
> > +			clocks = <&clkc CLKID_USB_CTRL>,
> > +				 <&clkc CLKID_USB_BUS>,
> > +				 <&clkc CLKID_USB_CTRL_IN>;
> > +			clock-names = "usb_ctrl", "usb_bus", "xtal_usb_ctrl";
> > +			resets = <&reset RESET_USBCTRL>;
> > +			reset-name = "usb_ctrl";
> > +
> > +			dr_mode = "otg";
> > +
> > +			phys = <&usb2_phy1>;
> > +			phy-names = "usb2-phy1";
> > +
> > +			dwc2: usb@ff500000 {
> > +				compatible = "amlogic,meson-a1-usb", "snps,dwc2";
> > +				reg = <0x0 0xff500000 0x0 0x40000>;
> > +				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> > +				phys = <&usb2_phy1>;
> > +				phy-names = "usb2-phy";
> > +				clocks = <&clkc CLKID_USB_PHY>;
> > +				clock-names = "otg";
> > +				dr_mode = "peripheral";
> > +				g-rx-fifo-size = <192>;
> > +				g-np-tx-fifo-size = <128>;
> > +				g-tx-fifo-size = <128 128 16 16 16>;
> > +			};
> > +
> > +			dwc3: usb@ff400000 {
> > +				compatible = "snps,dwc3";
> > +				reg = <0x0 0xff400000 0x0 0x100000>;
> > +				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
> > +				dr_mode = "host";
> > +				snps,dis_u2_susphy_quirk;
> > +				snps,quirk-frame-length-adjustment = <0x20>;
> > +				snps,parkmode-disable-ss-quirk;
> > +			};
> > +		};
> >   	};
> >   	timer {
> 
> This patcj is fine, but depends on clock bindings & dt, so now Vinod took the PHY
> patch, please resend this wiyhout patches 1 & 5, then resend the DT patch later when
> the clock bindings is merged.
> 
> Thanks,
> Neil

Sure, not a problem. I will resend the 3 patchsets in different series.
  

Patch

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index ae7d39cff07a..5588ee602161 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -8,6 +8,8 @@ 
 #include <dt-bindings/gpio/meson-a1-gpio.h>
 #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
 #include <dt-bindings/clock/amlogic,a1-clkc.h>
+#include <dt-bindings/power/meson-a1-power.h>
+#include <dt-bindings/reset/amlogic,meson-a1-reset.h>
 
 / {
 	compatible = "amlogic,a1";
@@ -169,6 +171,17 @@  gpio_intc: interrupt-controller@0440 {
 				amlogic,channel-interrupts =
 					<49 50 51 52 53 54 55 56>;
 			};
+
+			usb2_phy1: phy@4000 {
+				compatible = "amlogic,a1-usb2-phy";
+				clocks = <&clkc CLKID_USB_PHY_IN>;
+				clock-names = "xtal";
+				reg = <0x0 0x4000 0x0 0x60>;
+				resets = <&reset RESET_USBPHY>;
+				reset-names = "phy";
+				#phy-cells = <0>;
+				power-domains = <&pwrc PWRC_USB_ID>;
+			};
 		};
 
 		gic: interrupt-controller@ff901000 {
@@ -192,6 +205,52 @@  spifc: spi@fd000400 {
 			#size-cells = <0>;
 			status = "disabled";
 		};
+
+		usb: usb@fe004400 {
+			status = "disabled";
+			compatible = "amlogic,meson-a1-usb-ctrl";
+			reg = <0x0 0xfe004400 0x0 0xa0>;
+			interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			clocks = <&clkc CLKID_USB_CTRL>,
+				 <&clkc CLKID_USB_BUS>,
+				 <&clkc CLKID_USB_CTRL_IN>;
+			clock-names = "usb_ctrl", "usb_bus", "xtal_usb_ctrl";
+			resets = <&reset RESET_USBCTRL>;
+			reset-name = "usb_ctrl";
+
+			dr_mode = "otg";
+
+			phys = <&usb2_phy1>;
+			phy-names = "usb2-phy1";
+
+			dwc2: usb@ff500000 {
+				compatible = "amlogic,meson-a1-usb", "snps,dwc2";
+				reg = <0x0 0xff500000 0x0 0x40000>;
+				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
+				phys = <&usb2_phy1>;
+				phy-names = "usb2-phy";
+				clocks = <&clkc CLKID_USB_PHY>;
+				clock-names = "otg";
+				dr_mode = "peripheral";
+				g-rx-fifo-size = <192>;
+				g-np-tx-fifo-size = <128>;
+				g-tx-fifo-size = <128 128 16 16 16>;
+			};
+
+			dwc3: usb@ff400000 {
+				compatible = "snps,dwc3";
+				reg = <0x0 0xff400000 0x0 0x100000>;
+				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+				dr_mode = "host";
+				snps,dis_u2_susphy_quirk;
+				snps,quirk-frame-length-adjustment = <0x20>;
+				snps,parkmode-disable-ss-quirk;
+			};
+		};
 	};
 
 	timer {