diff options
Diffstat (limited to 'target/linux/ipq40xx/patches-5.10/705-net-dsa-add-Qualcomm-IPQ4019-built-in-switch-support.patch')
| -rw-r--r-- | target/linux/ipq40xx/patches-5.10/705-net-dsa-add-Qualcomm-IPQ4019-built-in-switch-support.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/ipq40xx/patches-5.10/705-net-dsa-add-Qualcomm-IPQ4019-built-in-switch-support.patch b/target/linux/ipq40xx/patches-5.10/705-net-dsa-add-Qualcomm-IPQ4019-built-in-switch-support.patch new file mode 100644 index 0000000000..ed201b7c58 --- /dev/null +++ b/target/linux/ipq40xx/patches-5.10/705-net-dsa-add-Qualcomm-IPQ4019-built-in-switch-support.patch @@ -0,0 +1,53 @@ +From b5f71652b85a85ea53162e9e2b760b84fd0d254f Mon Sep 17 00:00:00 2001 +From: Robert Marko <robert.marko@sartura.hr> +Date: Mon, 1 Nov 2021 18:10:28 +0100 +Subject: [PATCH] net: dsa: add Qualcomm IPQ4019 built-in switch support + +Qualcomm IPQ40xx SoC-s have a variant of QCA8337N switch built-in. + +It shares most of the stuff with its external counterpart, however it is +modified for the SoC. +Namely, it doesn't have second CPU port (Port 6), so it has 6 ports +instead of 7. +It also has no built-in PHY-s but rather requires external PSGMII based +companion PHY-s (QCA8072 and QCA8075) for which it first needs to carry +out calibration before using them. +PSGMII has a SoC built-in PHY that is used to connect to the PHY-s which +unfortunately requires some magic values as the datasheet doesnt document +the bits that are being set or the register at all. + +Since its built-in it is MMIO like other peripherals and doesn't have its +own MDIO bus but depends on the SoC provided one. + +CPU connection is at Port 0 and it uses some kind of a internal connection +and no traditional RGMII/SGMII. +It also doesn't use in-band tagging like other qca8k switches so a shinfo +based tagger is used. + +Signed-off-by: Robert Marko <robert.marko@sartura.hr> +--- + drivers/net/dsa/qca/Kconfig | 9 +++++++++ + drivers/net/dsa/qca/Makefile | 1 + + 2 files changed, 10 insertions(+) + +--- a/drivers/net/dsa/qca/Kconfig ++++ b/drivers/net/dsa/qca/Kconfig +@@ -7,3 +7,12 @@ config NET_DSA_AR9331 + help + This enables support for the Qualcomm Atheros AR9331 built-in Ethernet + switch. ++ ++config NET_DSA_QCA8K_IPQ4019 ++ tristate "Qualcomm Atheros IPQ4019 built-in Ethernet switch support" ++ depends on HAS_IOMEM && NET_DSA ++ select NET_DSA_TAG_IPQ4019 ++ select REGMAP ++ help ++ This enables support for the Qualcomm Atheros IPQ4019 SoC built-in ++ Ethernet switch. +--- a/drivers/net/dsa/qca/Makefile ++++ b/drivers/net/dsa/qca/Makefile +@@ -1,2 +1,3 @@ + # SPDX-License-Identifier: GPL-2.0-only + obj-$(CONFIG_NET_DSA_AR9331) += ar9331.o ++obj-$(CONFIG_NET_DSA_QCA8K_IPQ4019) += qca8k-ipq4019.o |