* [PATCH] arm64: dts: broadcom: bcm4908: describe USB PHY
@ 2020-12-15 21:22 Rafał Miłecki
2020-12-15 23:03 ` Florian Fainelli
0 siblings, 1 reply; 3+ messages in thread
From: Rafał Miłecki @ 2020-12-15 21:22 UTC (permalink / raw)
To: Florian Fainelli
Cc: Rob Herring, linux-arm-kernel, devicetree,
bcm-kernel-feedback-list, Rafał Miłecki
From: Rafał Miłecki <rafal@milecki.pl>
It's (nearly?) identical PHY as in the STB line and has to be
initialized the same way.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
.../dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts | 4 ++++
arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 13 +++++++++++++
2 files changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
index ee3ed612274c..e2bb0b04b524 100644
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
@@ -26,6 +26,10 @@ wps {
};
};
+&usb_phy {
+ brcm,ioc = <1>;
+};
+
&nandcs {
nand-ecc-strength = <4>;
nand-ecc-step-size = <512>;
diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
index b5b772a9a51b..a96ec9b85d1f 100644
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
@@ -110,10 +110,21 @@ soc {
#size-cells = <1>;
ranges = <0x00 0x00 0x80000000 0x10000>;
+ usb_phy: usb-phy@c200 {
+ compatible = "brcm,brcmstb-usb-phy";
+ reg = <0xc200 0x100>;
+ reg-names = "crtl";
+ dr_mode = "host";
+ brcm,has-xhci;
+ brcm,has-eohci;
+ #phy-cells = <1>;
+ };
+
usb@c300 {
compatible = "generic-ehci";
reg = <0xc300 0x100>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb_phy PHY_TYPE_USB2>;
status = "disabled";
};
@@ -121,6 +132,7 @@ usb@c400 {
compatible = "generic-ohci";
reg = <0xc400 0x100>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb_phy PHY_TYPE_USB2>;
status = "disabled";
};
@@ -128,6 +140,7 @@ usb@d000 {
compatible = "generic-xhci";
reg = <0xd000 0x8c8>;
interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb_phy PHY_TYPE_USB3>;
status = "disabled";
};
};
--
2.26.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: dts: broadcom: bcm4908: describe USB PHY
2020-12-15 21:22 [PATCH] arm64: dts: broadcom: bcm4908: describe USB PHY Rafał Miłecki
@ 2020-12-15 23:03 ` Florian Fainelli
0 siblings, 0 replies; 3+ messages in thread
From: Florian Fainelli @ 2020-12-15 23:03 UTC (permalink / raw)
To: Rafał Miłecki
Cc: Rob Herring, linux-arm-kernel, devicetree,
bcm-kernel-feedback-list, Rafał Miłecki
On 12/15/20 1:22 PM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
>
> It's (nearly?) identical PHY as in the STB line and has to be
> initialized the same way.
>
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> ---
> .../dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts | 4 ++++
> arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 13 +++++++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
> index ee3ed612274c..e2bb0b04b524 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
> +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
> @@ -26,6 +26,10 @@ wps {
> };
> };
>
> +&usb_phy {
> + brcm,ioc = <1>;
> +};
> +
> &nandcs {
> nand-ecc-strength = <4>;
> nand-ecc-step-size = <512>;
> diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
> index b5b772a9a51b..a96ec9b85d1f 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
> +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
> @@ -110,10 +110,21 @@ soc {
> #size-cells = <1>;
> ranges = <0x00 0x00 0x80000000 0x10000>;
>
> + usb_phy: usb-phy@c200 {
> + compatible = "brcm,brcmstb-usb-phy";
It is probably prudent to define a compatible string for the 4908 just
in case we need to key off that chip id within the USB PHY driver. Other
than that, this looks good to me.
--
Florian
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: dts: broadcom: bcm4908: describe USB PHY
@ 2020-12-15 23:03 ` Florian Fainelli
0 siblings, 0 replies; 3+ messages in thread
From: Florian Fainelli @ 2020-12-15 23:03 UTC (permalink / raw)
To: Rafał Miłecki
Cc: Rafał Miłecki, devicetree, Rob Herring,
bcm-kernel-feedback-list, linux-arm-kernel
On 12/15/20 1:22 PM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
>
> It's (nearly?) identical PHY as in the STB line and has to be
> initialized the same way.
>
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> ---
> .../dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts | 4 ++++
> arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 13 +++++++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
> index ee3ed612274c..e2bb0b04b524 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
> +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
> @@ -26,6 +26,10 @@ wps {
> };
> };
>
> +&usb_phy {
> + brcm,ioc = <1>;
> +};
> +
> &nandcs {
> nand-ecc-strength = <4>;
> nand-ecc-step-size = <512>;
> diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
> index b5b772a9a51b..a96ec9b85d1f 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
> +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
> @@ -110,10 +110,21 @@ soc {
> #size-cells = <1>;
> ranges = <0x00 0x00 0x80000000 0x10000>;
>
> + usb_phy: usb-phy@c200 {
> + compatible = "brcm,brcmstb-usb-phy";
It is probably prudent to define a compatible string for the 4908 just
in case we need to key off that chip id within the USB PHY driver. Other
than that, this looks good to me.
--
Florian
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-12-15 21:22 [PATCH] arm64: dts: broadcom: bcm4908: describe USB PHY Rafał Miłecki
2020-12-15 23:03 ` Florian Fainelli
2020-12-15 23:03 ` Florian Fainelli
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