Hello Nishanth, Thank you for reviewing the patch. I have addressed your feedback in the v2 patch at: https://lore.kernel.org/r/20231213080216.1710730-1-s-vadapalli@xxxxxx/ On 04/12/23 18:51, Nishanth Menon wrote: > On 12:01-20231120, Siddharth Vadapalli wrote: >> Enable interrupt mode of operation of the DP83867 Ethernet PHY which is >> used by ICSSG2. The DP83867 PHY driver already supports interrupt handling >> for interrupts generated by the PHY. Thus, add the necessary device-tree >> support to enable it. >> >> Since the GPIO1_87 line is muxed with EXT_REFCLK1 and SYNC1_OUT, update >> the pinmux to select GPIO1_87 for routing the interrupt. >> >> Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> >> --- >> >> This patch is based on linux-next tagged next-20231120. >> >> Regards, >> Siddharth. >> >> arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso | 17 +++++++++++++++-- >> 1 file changed, 15 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso b/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso >> index ec8cf20ca3ac..9f723592d0f4 100644 >> --- a/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso >> +++ b/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso >> @@ -124,21 +124,34 @@ AM65X_IOPAD(0x0088, PIN_INPUT, 2) /* (AG17) PRG2_PRU0_GPO4.PRG2_RGMII1_RX_CTL */ >> }; >> }; >> >> +&main_pmx1 { >> + /* Select GPIO1_87 for ICSSG2 PHY interrupt */ >> + icssg2_phy_irq_pins_default: icssg2-phy-irq-default-pins { >> + pinctrl-single,pins = < >> + AM65X_IOPAD(0x0014, PIN_INPUT, 7) /* (A22) EXT_REFCLK1.GPIO1_87 */ >> + >; >> + }; >> +}; >> + >> &icssg2_mdio { >> status = "okay"; >> - pinctrl-names = "default"; >> - pinctrl-0 = <&icssg2_mdio_pins_default>; >> + pinctrl-names = "default", "icssg2-phy-irq"; >> + pinctrl-0 = <&icssg2_mdio_pins_default>, <&icssg2_phy_irq_pins_default>; > > why should the pins be part of mdio pinctrl instead of phy? > >> #address-cells = <1>; >> #size-cells = <0>; >> >> icssg2_phy0: ethernet-phy@0 { >> reg = <0>; >> + interrupt-parent = <&main_gpio1>; >> + interrupts = <87 0x2>; >> ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; >> ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; >> }; >> >> icssg2_phy1: ethernet-phy@3 { >> reg = <3>; >> + interrupt-parent = <&main_gpio1>; >> + interrupts = <87 0x2>; > > Shouldn't you be using macros for interrupt level like IRQ_TYPE_EDGE_FALLING? > >> ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; >> ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; >> }; >> -- >> 2.34.1 >> > -- Regards, Siddharth.