git.openwrt.org Git - openwrt/staging/linusw.git/blob

   1 From 3dc3a4c6ac9e8a0940a9974b8fe2da7641bfa3dd Mon Sep 17 00:00:00 2001
   2 From: Alex Marginean <alexandru.marginean@nxp.com>
   3 Date: Thu, 22 Aug 2019 12:47:12 +0300
   4 Subject: [PATCH] arm64: dts: LS1028a-rdb: use Ethernet PHY interrupt
   5
   6 Use the PHY interrupt wired to GPIO pins as part of MDIO WA performance
   7 impact mitigation.
   8
   9 Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
  10 ---
  11  arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 10 ++++++++++
  12  1 file changed, 10 insertions(+)
  13
  14 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
  15 +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
  16 @@ -202,6 +202,8 @@
  17                 #size-cells = <0>;
  18                 sgmii_phy0: ethernet-phy@2 {
  19                         reg = <0x2>;
  20 +                       interrupt-parent = <&gpio1>;
  21 +                       interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
  22                 };
  23         };
  24  };
  25 @@ -213,18 +215,26 @@
  26  &enetc_mdio_pf3 {
  27         qsgmii_phy1: ethernet-phy@4 {
  28                 reg = <0x10>;
  29 +               interrupt-parent = <&gpio1>;
  30 +               interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
  31         };
  32
  33         qsgmii_phy2: ethernet-phy@5 {
  34                 reg = <0x11>;
  35 +               interrupt-parent = <&gpio1>;
  36 +               interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
  37         };
  38
  39         qsgmii_phy3: ethernet-phy@6 {
  40                 reg = <0x12>;
  41 +               interrupt-parent = <&gpio1>;
  42 +               interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
  43         };
  44
  45         qsgmii_phy4: ethernet-phy@7 {
  46                 reg = <0x13>;
  47 +               interrupt-parent = <&gpio1>;
  48 +               interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
  49         };
  50  };
  51