[RFC v2 PATCH 0/4] add support for videostrong KII Pro

[RFC v2 PATCH 0/4] add support for videostrong KII Pro

[Mohammad Rasim]

This patch set adds support for the Videostrong KII Pro tv box which is based on the gxbb-p201 reference design.
Patch 1 and 4 also adds support for the BCM4335A0 that comes with this device

Device specifications:
    SoC –  Amlogic S905 quad core ARM Cortex-A53 @ up to 2.0GHz with  penta-core Mali-450MP GPU @ 750 MHz
    System Memory – 2GB DDR3
    Storage – 16GB eMMC flash + micro SD card slot up to 32GB
    Video Output – HDMI 2.0 up to 4K @ 60Hz, and 3.5mm AV (composite video) jack
    Audio – HDMI, AV (stereo audio), optical S/PDIF
    Video Codecs – 10-bit H.265 up to 4K60, MPEG/VC-1/AVS+/H.265 up to 4K30
    Tuner – Combo DVB-T/T2 and DVB-S/S2 with two connectors
    Connectivity – 10/100M Ethernet, 802.11 b/g/n/ac Wi-Fi, and Bluetooth 4.0 (Ampak AP6335)
    USB – 4x USB 2.0 host ports
    Misc – Power button and LED, IR receiver
    Power Supply –  DC 12V/1A
    Dimensions – 130 x 120 x 32 mm
    Weight – 187.50 grams

Changes since RFC v1:
- add commit description to the cover letter
- update bluetooth bindings
- use lowercase name for the dts filename,vendor prefix and device compatible
- add copyrights to the new files
- include "meson-gxbb-p20x.dtsi" instead of "meson-gxbb-p201.dts"


Mohammad Rasim (4):
  dt-bindings: Add vendor prefix for Videostrong Technology Co., Ltd.
  dt-bindings: net: Add compatible for BCM4335A0 bluetooth module
  arm64: dts: meson-gxbb: add support for Videostrong KII Pro
  Bluetooth: btbcm: Add entry for BCM4335A0 UART bluetooth

 .../bindings/net/broadcom-bluetooth.txt       |  1 +
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 arch/arm64/boot/dts/amlogic/Makefile          |  1 +
 .../boot/dts/amlogic/meson-gxbb-kii-pro.dts   | 39 +++++++++++++++++++
 drivers/bluetooth/btbcm.c                     |  1 +
 drivers/bluetooth/hci_bcm.c                   |  1 +
 6 files changed, 45 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts

-- 
2.23.0


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[RFC PATCH 1/4] dt-bindings: Add vendor prefix for Videostrong Technology Co., Ltd.

[Mohammad Rasim]

Videostrong Technology Co., Ltd., A manufacturer of Android Players & STB( Android with DVB Hybrid box &DVB-T2/S2/C/ISDB-T/DTMB-TH/ATSC,,)as well as HD media players.

Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 967e78c5ec0a..e4bd0a9fd4e5 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1006,6 +1006,8 @@ patternProperties:
     description: Variscite Ltd.
   "^via,.*":
     description: VIA Technologies, Inc.
+  "^videostrong,.*":
+    description: Videostrong Technology Co., Ltd.
   "^virtio,.*":
     description: Virtual I/O Device Specification, developed by the OASIS consortium
   "^vishay,.*":
-- 
2.23.0


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[RFC PATCH 2/4] dt-bindings: net: Add compatible for BCM4335A0 bluetooth module

[Mohammad Rasim]

Available in the Ampak AP6335 WiFi/Bluetooth combo

Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
---
 Documentation/devicetree/bindings/net/broadcom-bluetooth.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
index 4fa00e2eafcf..0717399191a2 100644
--- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
@@ -14,6 +14,7 @@ Required properties:
    * "brcm,bcm4330-bt"
    * "brcm,bcm43438-bt"
    * "brcm,bcm4345c5"
+   * "brcm,bcm4335a0"
 
 Optional properties:
 
-- 
2.23.0


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[RFC PATCH 3/4] arm64: dts: meson-gxbb: add support for Videostrong KII Pro

[Mohammad Rasim]

This patch adds support for the Videostrong KII Pro tv box which is based on the gxbb-p201 reference design

Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
---
 arch/arm64/boot/dts/amlogic/Makefile          |  1 +
 .../boot/dts/amlogic/meson-gxbb-kii-pro.dts   | 39 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts

diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 84afecba9ec0..a795a170dcab 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-kii-pro.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
new file mode 100644
index 000000000000..b63dabb7bf97
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+/* Copyright (c) 2019 Mohammad Rasim <mohammad.rasim96@gmail.com>
+*/
+
+/dts-v1/;
+
+#include "meson-gxbb-p20x.dtsi"
+
+/ {
+	compatible = "videostrong,kii-pro", "amlogic,p201", "amlogic,s905", "amlogic,meson-gxbb";
+	model = "Videostrong KII Pro";
+
+
+};
+
+&uart_A {
+	status = "okay";
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm4335a0";
+	};
+};
+
+&ethmac {
+	status = "okay";
+	pinctrl-0 = <&eth_rmii_pins>;
+	pinctrl-names = "default";
+	phy-mode = "rmii";
+
+	snps,reset-gpio = <&gpio GPIOZ_14 0>;
+	snps,reset-delays-us = <0>, <10000>, <1000000>;
+	snps,reset-active-low;
+};
+
+
-- 
2.23.0


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[RFC PATCH 4/4] Bluetooth: btbcm: Add entry for BCM4335A0 UART bluetooth

[Mohammad Rasim]

This patch adds the device ID for the BCM4335A0 module (part of the AMPAK AP6335 WIFI/Bluetooth combo)

hciconfig output:
```
hci1:   Type: Primary  Bus: UART
        BD Address: 43:35:B0:07:1F:AC  ACL MTU: 1021:8  SCO MTU: 64:1
        UP RUNNING
        RX bytes:5079 acl:0 sco:0 events:567 errors:0
        TX bytes:69065 acl:0 sco:0 commands:567 errors:0
        Features: 0xbf 0xfe 0xcf 0xff 0xdf 0xff 0x7b 0x87
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH SNIFF
        Link mode: SLAVE ACCEPT
        Name: 'alarm'
        Class: 0x000000
        Service Classes: Unspecified
        Device Class: Miscellaneous,
        HCI Version: 4.0 (0x6)  Revision: 0x161
        LMP Version: 4.0 (0x6)  Subversion: 0x4106
        Manufacturer: Broadcom Corporation (15)
```

Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
---
 drivers/bluetooth/btbcm.c   | 1 +
 drivers/bluetooth/hci_bcm.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 2d2e6d862068..22464bf8cda3 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -339,6 +339,7 @@ static const struct bcm_subver_table bcm_uart_subver_table[] = {
 	{ 0x220e, "BCM20702A1"  },	/* 001.002.014 */
 	{ 0x4217, "BCM4329B1"   },	/* 002.002.023 */
 	{ 0x6106, "BCM4359C0"	},	/* 003.001.006 */
+	{ 0x4106, "BCM4335A0"	},	/* 002.001.006 */
 	{ }
 };
 
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 7646636f2d18..7eba10b0ae6c 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -1422,6 +1422,7 @@ static const struct of_device_id bcm_bluetooth_of_match[] = {
 	{ .compatible = "brcm,bcm4345c5" },
 	{ .compatible = "brcm,bcm4330-bt" },
 	{ .compatible = "brcm,bcm43438-bt" },
+	{ .compatible = "brcm,bcm4335a0" },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, bcm_bluetooth_of_match);
-- 
2.23.0


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Re: [RFC PATCH 2/4] dt-bindings: net: Add compatible for BCM4335A0 bluetooth module

[Neil Armstrong]

Hi,

On 17/11/2019 18:56, Mohammad Rasim wrote:
> 
> Available in the Ampak AP6335 WiFi/Bluetooth combo
> 
> Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
> ---
>  Documentation/devicetree/bindings/net/broadcom-bluetooth.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
> index 4fa00e2eafcf..0717399191a2 100644
> --- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
> +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
> @@ -14,6 +14,7 @@ Required properties:
>     * "brcm,bcm4330-bt"
>     * "brcm,bcm43438-bt"
>     * "brcm,bcm4345c5"
> +   * "brcm,bcm4335a0"

Is there a specific reason to add a new compatible here ? it the BT interface of the BCM4335A0 different for the actual compatible modules ?

If not, simply use a common "brcm,bcm43438-bt" compatible string.

Neil

>  
>  Optional properties:
>  
> 


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Re: [RFC PATCH 1/4] dt-bindings: Add vendor prefix for Videostrong Technology Co., Ltd.

[Neil Armstrong]

On 17/11/2019 18:56, Mohammad Rasim wrote:
> Videostrong Technology Co., Ltd., A manufacturer of Android Players & STB( Android with DVB Hybrid box &DVB-T2/S2/C/ISDB-T/DTMB-TH/ATSC,,)as well as HD media players.
> 
> Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
> ---
>  Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index 967e78c5ec0a..e4bd0a9fd4e5 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -1006,6 +1006,8 @@ patternProperties:
>      description: Variscite Ltd.
>    "^via,.*":
>      description: VIA Technologies, Inc.
> +  "^videostrong,.*":
> +    description: Videostrong Technology Co., Ltd.
>    "^virtio,.*":
>      description: Virtual I/O Device Specification, developed by the OASIS consortium
>    "^vishay,.*":
> 

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

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Re: [RFC PATCH 4/4] Bluetooth: btbcm: Add entry for BCM4335A0 UART bluetooth

[Neil Armstrong]

On 17/11/2019 18:56, Mohammad Rasim wrote:
> This patch adds the device ID for the BCM4335A0 module (part of the AMPAK AP6335 WIFI/Bluetooth combo)
> 
> hciconfig output:
> ```
> hci1:   Type: Primary  Bus: UART
>         BD Address: 43:35:B0:07:1F:AC  ACL MTU: 1021:8  SCO MTU: 64:1
>         UP RUNNING
>         RX bytes:5079 acl:0 sco:0 events:567 errors:0
>         TX bytes:69065 acl:0 sco:0 commands:567 errors:0
>         Features: 0xbf 0xfe 0xcf 0xff 0xdf 0xff 0x7b 0x87
>         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
>         Link policy: RSWITCH SNIFF
>         Link mode: SLAVE ACCEPT
>         Name: 'alarm'
>         Class: 0x000000
>         Service Classes: Unspecified
>         Device Class: Miscellaneous,
>         HCI Version: 4.0 (0x6)  Revision: 0x161
>         LMP Version: 4.0 (0x6)  Subversion: 0x4106
>         Manufacturer: Broadcom Corporation (15)
> ```
> 
> Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
> ---
>  drivers/bluetooth/btbcm.c   | 1 +
>  drivers/bluetooth/hci_bcm.c | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
> index 2d2e6d862068..22464bf8cda3 100644
> --- a/drivers/bluetooth/btbcm.c
> +++ b/drivers/bluetooth/btbcm.c
> @@ -339,6 +339,7 @@ static const struct bcm_subver_table bcm_uart_subver_table[] = {
>  	{ 0x220e, "BCM20702A1"  },	/* 001.002.014 */
>  	{ 0x4217, "BCM4329B1"   },	/* 002.002.023 */
>  	{ 0x6106, "BCM4359C0"	},	/* 003.001.006 */
> +	{ 0x4106, "BCM4335A0"	},	/* 002.001.006 */

Ack for this one

>  	{ }
>  };
>  
> diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
> index 7646636f2d18..7eba10b0ae6c 100644
> --- a/drivers/bluetooth/hci_bcm.c
> +++ b/drivers/bluetooth/hci_bcm.c
> @@ -1422,6 +1422,7 @@ static const struct of_device_id bcm_bluetooth_of_match[] = {
>  	{ .compatible = "brcm,bcm4345c5" },
>  	{ .compatible = "brcm,bcm4330-bt" },
>  	{ .compatible = "brcm,bcm43438-bt" },
> +	{ .compatible = "brcm,bcm4335a0" },

This could be omitted if the I/F is the same as "brcm,bcm43438-bt".

>  	{ },
>  };
>  MODULE_DEVICE_TABLE(of, bcm_bluetooth_of_match);
> 

Neil

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Re: [RFC PATCH 3/4] arm64: dts: meson-gxbb: add support for Videostrong KII Pro

[Neil Armstrong]

On 17/11/2019 18:56, Mohammad Rasim wrote:
> This patch adds support for the Videostrong KII Pro tv box which is based on the gxbb-p201 reference design
> 
> Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
> ---
>  arch/arm64/boot/dts/amlogic/Makefile          |  1 +
>  .../boot/dts/amlogic/meson-gxbb-kii-pro.dts   | 39 +++++++++++++++++++
>  2 files changed, 40 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
> 
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 84afecba9ec0..a795a170dcab 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-kii-pro.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
> new file mode 100644
> index 000000000000..b63dabb7bf97
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
> @@ -0,0 +1,39 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> +/* Copyright (c) 2019 Mohammad Rasim <mohammad.rasim96@gmail.com>
> +*/
> +
> +/dts-v1/;
> +
> +#include "meson-gxbb-p20x.dtsi"
> +
> +/ {
> +	compatible = "videostrong,kii-pro", "amlogic,p201", "amlogic,s905", "amlogic,meson-gxbb";
> +	model = "Videostrong KII Pro";
> +
> +
> +};
> +
> +&uart_A {
> +	status = "okay";
> +	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
> +	pinctrl-names = "default";
> +	uart-has-rtscts;
> +
> +	bluetooth {
> +		compatible = "brcm,bcm4335a0";

Use "brcm,bcm43438-bt" here if the I/F is compatible.

> +	};
> +};
> +
> +&ethmac {
> +	status = "okay";
> +	pinctrl-0 = <&eth_rmii_pins>;
> +	pinctrl-names = "default";
> +	phy-mode = "rmii";
> +
> +	snps,reset-gpio = <&gpio GPIOZ_14 0>;
> +	snps,reset-delays-us = <0>, <10000>, <1000000>;
> +	snps,reset-active-low> +};
> +
> +
> 

Did you try to determine the PHY and add a PHY node aswell ? The reset stuff could go in the PHY node.

Neil

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Re: [RFC PATCH 2/4] dt-bindings: net: Add compatible for BCM4335A0 bluetooth module

[Mohammad Rasim]

On 19/11/18 11:03AM, Neil Armstrong wrote:
> Hi,
> 
> On 17/11/2019 18:56, Mohammad Rasim wrote:
> > 
> > Available in the Ampak AP6335 WiFi/Bluetooth combo
> > 
> > Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
> > ---
> >  Documentation/devicetree/bindings/net/broadcom-bluetooth.txt | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
> > index 4fa00e2eafcf..0717399191a2 100644
> > --- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
> > +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
> > @@ -14,6 +14,7 @@ Required properties:
> >     * "brcm,bcm4330-bt"
> >     * "brcm,bcm43438-bt"
> >     * "brcm,bcm4345c5"
> > +   * "brcm,bcm4335a0"
> 
> Is there a specific reason to add a new compatible here ? it the BT interface of the BCM4335A0 different for the actual compatible modules ?
>
> If not, simply use a common "brcm,bcm43438-bt" compatible string.
I added a new compatible so that the dts of the device can describe the
exact model of the module, anyone reading the dts might think that the
device has a bcm43438 module which is incorrect and just looks weird to
me.
previous compatibles like 'bcm4330-bt' are only used for probing and
don't appear to be used anywhere else so I guess this is ok by the
bluetooth maintainers, if not I will use a previous compatible and add a
comment in the dts with the exact model of the chip.

Regards
> 
> Neil
> 
> >  
> >  Optional properties:
> >  
> > 
> 

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Re: [RFC PATCH 3/4] arm64: dts: meson-gxbb: add support for Videostrong KII Pro

[Mohammad Rasim]

On 19/11/18 11:26AM, Neil Armstrong wrote:
> On 17/11/2019 18:56, Mohammad Rasim wrote:
> > This patch adds support for the Videostrong KII Pro tv box which is based on the gxbb-p201 reference design
> > 
> > Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
> > ---
> >  arch/arm64/boot/dts/amlogic/Makefile          |  1 +
> >  .../boot/dts/amlogic/meson-gxbb-kii-pro.dts   | 39 +++++++++++++++++++
> >  2 files changed, 40 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
> > 
> > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> > index 84afecba9ec0..a795a170dcab 100644
> > --- a/arch/arm64/boot/dts/amlogic/Makefile
> > +++ b/arch/arm64/boot/dts/amlogic/Makefile
> > @@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
> >  dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
> >  dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
> >  dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
> > +dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-kii-pro.dtb
> >  dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
> >  dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
> >  dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb
> > diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
> > new file mode 100644
> > index 000000000000..b63dabb7bf97
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
> > @@ -0,0 +1,39 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > +/* Copyright (c) 2019 Mohammad Rasim <mohammad.rasim96@gmail.com>
> > +*/
> > +
> > +/dts-v1/;
> > +
> > +#include "meson-gxbb-p20x.dtsi"
> > +
> > +/ {
> > +	compatible = "videostrong,kii-pro", "amlogic,p201", "amlogic,s905", "amlogic,meson-gxbb";
> > +	model = "Videostrong KII Pro";
> > +
> > +
> > +};
> > +
> > +&uart_A {
> > +	status = "okay";
> > +	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
> > +	pinctrl-names = "default";
> > +	uart-has-rtscts;
> > +
> > +	bluetooth {
> > +		compatible = "brcm,bcm4335a0";
> 
> Use "brcm,bcm43438-bt" here if the I/F is compatible.
> 
> > +	};
> > +};
> > +
> > +&ethmac {
> > +	status = "okay";
> > +	pinctrl-0 = <&eth_rmii_pins>;
> > +	pinctrl-names = "default";
> > +	phy-mode = "rmii";
> > +
> > +	snps,reset-gpio = <&gpio GPIOZ_14 0>;
> > +	snps,reset-delays-us = <0>, <10000>, <1000000>;
> > +	snps,reset-active-low> +};
> > +
> > +
> > 
> 
> Did you try to determine the PHY and add a PHY node aswell ? The reset stuff could go in the PHY node.
looking at the PCB I can see the phy is "IP101GR" so I thought I can use
the phy node of nextbox-a95x [0] but I get these errors:

```
[   15.867041] meson8b-dwmac c9410000.ethernet eth0: no phy at addr -1
[   15.867079] meson8b-dwmac c9410000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
```

[0] https://github.com/torvalds/linux/blob/f9717178b9be9477877d4c3776c61ff56d854ddf/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts#L165-L177
> 
> Neil

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