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Message-ID: <CA+HBbNHTmpPJqzja11OqS9J-37vdDiDLubrimke73x+oQKuoJA@mail.gmail.com>
Date: Fri, 4 Nov 2022 17:42:30 +0100
From: Robert Marko <robert.marko@...tura.hr>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
thomas.petazzoni@...tlin.com, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org,
Vladimir Oltean <vladimir.oltean@....com>,
Luka Perkov <luka.perkov@...tura.hr>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH net-next v7 5/5] ARM: dts: qcom: ipq4019: Add description
for the IPQESS Ethernet controller
On Fri, Nov 4, 2022 at 3:28 PM Maxime Chevallier
<maxime.chevallier@...tlin.com> wrote:
>
> The Qualcomm IPQ4019 includes an internal 5 ports switch, which is
> connected to the CPU through the internal IPQESS Ethernet controller.
>
> Add support for this internal interface, which is internally connected to a
> modified version of the QCA8K Ethernet switch.
>
> This Ethernet controller only support a specific internal interface mode
> for connection to the switch.
>
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> V6->V7:
> - No Changes
> V5->V6:
> - Removed extra blank lines
> - Put the status property last
> V4->V5:
> - Reword the commit log
> V3->V4:
> - No Changes
> V2->V3:
> - No Changes
> V1->V2:
> - Added clock and resets
>
> arch/arm/boot/dts/qcom-ipq4019.dtsi | 44 +++++++++++++++++++++++++++++
> 1 file changed, 44 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> index b23591110bd2..5fa1af147df9 100644
> --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> @@ -38,6 +38,7 @@ aliases {
> spi1 = &blsp1_spi2;
> i2c0 = &blsp1_i2c3;
> i2c1 = &blsp1_i2c4;
> + ethernet0 = &gmac;
> };
>
> cpus {
> @@ -591,6 +592,49 @@ wifi1: wifi@...0000 {
> status = "disabled";
> };
>
> + gmac: ethernet@...0000 {
> + compatible = "qcom,ipq4019-ess-edma";
> + reg = <0xc080000 0x8000>;
> + resets = <&gcc ESS_RESET>;
> + reset-names = "ess";
> + clocks = <&gcc GCC_ESS_CLK>;
> + clock-names = "ess";
> + interrupts = <GIC_SPI 65 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 67 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 69 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 70 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 71 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 74 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 76 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 77 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 79 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 80 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 240 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 241 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 242 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 243 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 244 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 245 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 246 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 248 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 249 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 250 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 251 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 252 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 253 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 254 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 255 IRQ_TYPE_EDGE_RISING>;
> + phy-mode = "internal";
> + status = "disabled";
The fixed-link should be defined here AFAIK, otherwise it will fail probing with
just internal PHY mode.
Regards,
Robert
> + };
> +
> mdio: mdio@...00 {
> #address-cells = <1>;
> #size-cells = <0>;
> --
> 2.37.3
>
--
Robert Marko
Staff Embedded Linux Engineer
Sartura Ltd.
Lendavska ulica 16a
10000 Zagreb, Croatia
Email: robert.marko@...tura.hr
Web: www.sartura.hr
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