[PATCH] imx8m{m,n}-venice-gw7902: add support for GPY111 phy

[Tim Harvey]

The TI DP83867 phy has been replaced with the MaxLinear GPY111 phy
due to part availability. Add support for it:
 - increase post-reset time to 300ms per datasheet
 - add tx-delay/rx-delay config

Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
 arch/arm/dts/imx8mm-venice-gw7902-u-boot.dtsi | 2 +-
 arch/arm/dts/imx8mm-venice-gw7902.dts         | 4 ++++
 arch/arm/dts/imx8mn-venice-gw7902-u-boot.dtsi | 2 +-
 arch/arm/dts/imx8mn-venice-gw7902.dts         | 4 ++++
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/imx8mm-venice-gw7902-u-boot.dtsi b/arch/arm/dts/imx8mm-venice-gw7902-u-boot.dtsi
index 1e1769f55127..f21e46b12dd7 100644
--- a/arch/arm/dts/imx8mm-venice-gw7902-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw7902-u-boot.dtsi
@@ -158,7 +158,7 @@
 &fec1 {
 	phy-reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
 	phy-reset-duration = <1>;
-	phy-reset-post-delay = <1>;
+	phy-reset-post-delay = <300>;
 };
 
 &pinctrl_fec1 {
diff --git a/arch/arm/dts/imx8mm-venice-gw7902.dts b/arch/arm/dts/imx8mm-venice-gw7902.dts
index adf521632d63..b0404ec4c8af 100644
--- a/arch/arm/dts/imx8mm-venice-gw7902.dts
+++ b/arch/arm/dts/imx8mm-venice-gw7902.dts
@@ -243,10 +243,14 @@
 		ethphy0: ethernet-phy at 0 {
 			compatible = "ethernet-phy-ieee802.3-c22";
 			reg = <0>;
+			/* TI DP83867 props */
 			ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 			ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 			tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
 			rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+			/* GPY111 props */
+			rx-internal-delay-ps = <2000>;
+			tx-internal-delay-ps = <2500>;
 		};
 	};
 };
diff --git a/arch/arm/dts/imx8mn-venice-gw7902-u-boot.dtsi b/arch/arm/dts/imx8mn-venice-gw7902-u-boot.dtsi
index 9431e2a6cde7..17e6828c79f8 100644
--- a/arch/arm/dts/imx8mn-venice-gw7902-u-boot.dtsi
+++ b/arch/arm/dts/imx8mn-venice-gw7902-u-boot.dtsi
@@ -116,7 +116,7 @@
 &fec1 {
 	phy-reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
 	phy-reset-duration = <1>;
-	phy-reset-post-delay = <1>;
+	phy-reset-post-delay = <300>;
 };
 
 &pinctrl_fec1 {
diff --git a/arch/arm/dts/imx8mn-venice-gw7902.dts b/arch/arm/dts/imx8mn-venice-gw7902.dts
index 29897c161b96..d026d965580e 100644
--- a/arch/arm/dts/imx8mn-venice-gw7902.dts
+++ b/arch/arm/dts/imx8mn-venice-gw7902.dts
@@ -242,10 +242,14 @@
 		ethphy0: ethernet-phy at 0 {
 			compatible = "ethernet-phy-ieee802.3-c22";
 			reg = <0>;
+			/* TI DP83867 props */
 			ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 			ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 			tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
 			rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+			/* GPY111 props */
+			rx-internal-delay-ps = <2000>;
+			tx-internal-delay-ps = <2500>;
 		};
 	};
 };
-- 
2.17.1