From d7631cf577d76aa83c92daa590b96103d5860201 Mon Sep 17 00:00:00 2001 From: Sander Vanheule Date: Sat, 18 Jan 2025 13:45:55 +0100 Subject: [PATCH] realtek: rtl839x: Enable AUX MDIO controller Enable the driver for the Realtek Otto auxiliary MDIO driver so RTL839x devices can use it. The related node is added to the base devicetree for rtl839x-based devices, so they can enabled and use it when required. Signed-off-by: Sander Vanheule (cherry picked from commit cddcc69ddf9c6284d6c9a6399c4ea48d7a044719) --- target/linux/realtek/dts/rtl839x.dtsi | 21 +++++++++++++++++++++ target/linux/realtek/rtl839x/config-6.6 | 2 +- 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/target/linux/realtek/dts/rtl839x.dtsi b/target/linux/realtek/dts/rtl839x.dtsi index 3f87f5622e..7fc5aea70c 100644 --- a/target/linux/realtek/dts/rtl839x.dtsi +++ b/target/linux/realtek/dts/rtl839x.dtsi @@ -258,6 +258,22 @@ }; + switchcore@1b000000 { + compatible = "syscon", "simple-mfd"; + reg = <0x1b000000 0x20000>; + + mdio_aux: mdio-aux { + compatible = "realtek,rtl8390-aux-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + status = "disabled"; + + pinctrl-names = "default"; + pinctrl-0 = <&mdio_aux_mdx>; + }; + }; + pinmux@1b000004 { compatible = "pinctrl-single"; reg = <0x1b000004 0x4>; @@ -290,6 +306,11 @@ pinmux_disable_sys_led: disable_sys_led { pinctrl-single,bits = <0x0 0x0 0x4000>; }; + + /* enable AUX MDC/MDIO */ + mdio_aux_mdx: aux-mdx-pins { + pinctrl-single,bits = <0x0 0x100000 0x1c0000>; + }; }; ethernet0: ethernet@1b00a300 { diff --git a/target/linux/realtek/rtl839x/config-6.6 b/target/linux/realtek/rtl839x/config-6.6 index d0b8f59dd3..7091a039fe 100644 --- a/target/linux/realtek/rtl839x/config-6.6 +++ b/target/linux/realtek/rtl839x/config-6.6 @@ -121,7 +121,7 @@ CONFIG_MDIO_BUS=y CONFIG_MDIO_DEVICE=y CONFIG_MDIO_DEVRES=y CONFIG_MDIO_I2C=y -# CONFIG_MDIO_REALTEK_OTTO_AUX is not set +CONFIG_MDIO_REALTEK_OTTO_AUX=y CONFIG_MDIO_SMBUS=y CONFIG_MEMFD_CREATE=y # CONFIG_MFD_RTL8231 is not set