On Sat, Apr 18, 2020 at 01:17:26AM +0300, Priit Laes wrote: > This serie converts Allwinner A20 (sun7i) GMAC driver to CCU > while still retaining compatibility with existing devicetrees. > > First two patches contain preliminary work which convert > sun4i/sun7i clock drivers to platform devices and creates regmap > to access gmac register from the sun7i gmac driver. > > Third patch implements syscon-based regmap to allow driver manage > its own clock source. > > Fourth patch updates the devicetree and drops the unused clocks. > > While testing the driver I noticed following bugs with the existing > sun7i gmac driver: > - driver relies on u-boot for initialization (fixed in this > implementation) Scratch that.. this is actually due to unhandled rx and tx delays, which I "accidentally" fixed by copying the value BIT(12) from the u-boot.. > - `systemctl restart networking` fails to bring the link up again. > > > Priit Laes (4): > clk: sunxi-ng: a10/a20: rewrite init code to a platform driver > clk: sunxi-ng: a20: export a regmap to access the GMAC register > net: stmmac: dwmac-sunxi: Implement syscon-based clock handling > ARM: dts: sun7i: Use syscon-based implementation for gmac > > arch/arm/boot/dts/sun7i-a20.dtsi | 36 +---- > drivers/clk/sunxi-ng/ccu-sun4i-a10.c | 108 ++++++++++++--- > .../net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 124 ++++++++++++++++-- > 3 files changed, 206 insertions(+), 62 deletions(-) > > -- > 2.25.2 >
