Re: [PATCH v2 0/2] Add macb support for SiFive FU540-C000
From: Yash Shah
Date: Mon Jun 17 2019 - 00:48:33 EST
On Mon, Jun 17, 2019 at 9:49 AM Yash Shah <yash.shah@xxxxxxxxxx> wrote:
> On FU540, the management IP block is tightly coupled with the Cadence
> MACB IP block. It manages many of the boundary signals from the MACB IP
> This patchset controls the tx_clk input signal to the MACB IP. It
> switches between the local TX clock (125MHz) and PHY TX clocks. This
> is necessary to toggle between 1Gb and 100/10Mb speeds.
> Future patches may add support for monitoring or controlling other IP
> boundary signals.
> This patchset is mostly based on work done by
> Wesley Terpstra <wesley@xxxxxxxxxx>
> This patchset is based on Linux v5.2-rc1 and tested on HiFive Unleashed
> board with additional board related patches needed for testing can be
> found at dev/yashs/ethernet branch of:
Correction in branch name: dev/yashs/ethernet_v2
> Change History:
> - Change compatible string from "cdns,fu540-macb" to "sifive,fu540-macb"
> - Add "MACB_SIFIVE_FU540" in Kconfig to support SiFive FU540 in macb
> driver. This is needed because on FU540, the macb driver depends on
> SiFive GPIO driver.
> - Avoid writing the result of a comparison to a register.
> - Fix the issue of probe fail on reloading the module reported by:
> Andreas Schwab <schwab@xxxxxxx>
> Yash Shah (2):
> macb: bindings doc: add sifive fu540-c000 binding
> macb: Add support for SiFive FU540-C000
> Documentation/devicetree/bindings/net/macb.txt | 3 +
> drivers/net/ethernet/cadence/Kconfig | 6 ++
> drivers/net/ethernet/cadence/macb_main.c | 129 +++++++++++++++++++++++++
> 3 files changed, 138 insertions(+)