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SubjectRe: [PATCH v3 4/4] arm64: dts: add description for solidrun cn9131 solidwan board
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Am 22.04.24 um 15:37 schrieb Andrew Lunn:
> On Sun, Apr 14, 2024 at 01:18:56PM +0000, Josua Mayer wrote:
>> Am 14.04.24 um 14:58 schrieb Josua Mayer:
>>> Add description for the SolidRun CN9131 SolidWAN, based on CN9130 SoM
>>> with an extra communication processor on the carrier board.
>>>
>>> This board differentiates itself from CN9130 Clearfog by providing
>>> additional SoC native network interfaces and pci buses:
>>> 2x 10Gbps SFP+
>>> 4x 1Gbps RJ45
>>> 1x miniPCI-E
>>> 1x m.2 b-key with sata, usb-2.0 and usb-3.0
>>> 1x m.2 m-key with pcie and usb-2.0
>>> 1x m.2 b-key with pcie, usb-2.0, usb-3.0 and 2x sim slots
>>> 1x mpcie with pcie only
>>> 2x type-a usb-2.0/3.0
>>>
>>> Signed-off-by: Josua Mayer <josua@solid-run.com>
>>> ---
>>> arch/arm64/boot/dts/marvell/Makefile | 1 +
>>> arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts | 653 +++++++++++++++++++++
>>> 2 files changed, 654 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
>>> index 019f2251d696..16f9d7156d9f 100644
>>> --- a/arch/arm64/boot/dts/marvell/Makefile
>>> +++ b/arch/arm64/boot/dts/marvell/Makefile
>>> @@ -30,3 +30,4 @@ dtb-$(CONFIG_ARCH_MVEBU) += ac5x-rd-carrier-cn9131.dtb
>>> dtb-$(CONFIG_ARCH_MVEBU) += ac5-98dx35xx-rd.dtb
>>> dtb-$(CONFIG_ARCH_MVEBU) += cn9130-cf-base.dtb
>>> dtb-$(CONFIG_ARCH_MVEBU) += cn9130-cf-pro.dtb
>>> +dtb-$(CONFIG_ARCH_MVEBU) += cn9131-cf-solidwan.dtb
>>> diff --git a/arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts b/arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts
>> cut
>>> + leds {
>>> + compatible = "gpio-leds";
>>> + pinctrl-names = "default";
>>> + pinctrl-0 = <&cp0_led_pins &cp1_led_pins>;
>>> +
>>> + /* for sfp-1 (J42) */
>>> + led-sfp1-activity {
>>> + label = "sfp1";
>>> + gpios = <&cp0_gpio1 7 GPIO_ACTIVE_HIGH>;
>>> + color = <LED_COLOR_ID_GREEN>;
>>> + };
>>> +
>>> + /* for sfp-1 (J42) */
>>> + led-sfp1-link {
>>> + label = "sfp1";
>>> + gpios = <&cp0_gpio1 4 GPIO_ACTIVE_HIGH>;
>>> + color = <LED_COLOR_ID_YELLOW>;
>>> + };
>>> +
>>> + /* (J28) */
>>> + led-sfp0-activity {
>>> + label = "sfp0";
>>> + gpios = <&cp1_gpio2 22 GPIO_ACTIVE_HIGH>;
>>> + color = <LED_COLOR_ID_GREEN>;
>>> + };
>>> +
>>> + /* (J28) */
>>> + led-sfp0-link {
>>> + label = "sfp0";
>>> + gpios = <&cp1_gpio2 23 GPIO_ACTIVE_HIGH>;
>>> + color = <LED_COLOR_ID_YELLOW>;
>>> + };
>>> + };
>>> +
>> Here I am uncertain what to put in the label.
>> Each SFP has a single dual-color (3 terminals) LED,
>> with one gpio controlling each colour.
>>
>> Colours are similar to RJ45 connectors (yellow, green),
>> and are intended for the same purpose: link, activity.
> For the switch LEDs you used label = "LED10"; Does the silk screen
> have similar numbers for these LEDs?
Correct, on CN9130 Clearfog Pro DSA switch, all LEDs are labeled
individually on the silk screen.

The SolidWAN SFP leds are dual-colour leds with 3 terminals:
anode to 3.3V, 2x cathode to gpio-controlled transistors.
They are labeled on the silk-screen as "LED9", "LED10".

Duplicate labels are not great, is there a better way?
old style "LED9:green" e.g. ...?

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