Re: [PATCH v3 0/3] Add driver Support for MMCSD on AM654x
From: Faiz Abbas
Date: Mon Dec 17 2018 - 03:13:21 EST
On 11/12/18 12:05 AM, Faiz Abbas wrote:
> The following patches add driver support for MMCSD on TI's AM654
> Previously I had added the support to sdhci-of-arasan driver with
> a separate phy driver. Since then it has turned out that tuning
> operation (for HS200, HS400 and SDR104 speed modes) will require
> configuration of phy registers. This completely breaks the model of
> the sdhci-of-arasan driver which relies on a separate driver to
> configure the phy register space.
> Because of this, I am creating a new driver with both the sdhci and
> phy register spaces. This helps me use the phy registers in a future
> patch that adds tuning support.
> DT patches will be posted in a separate series.
> Changes in v3:
> 1. Removed reference to clk_ahb as its not being used.
> 2. Added comment for pm_runtime being used for enabling
> Changes in v2:
> 1. Reset OTAP delay back to default value in init.
> 2. Improved patch description for patch 2.
> 3. Minor style fixes.
>  driver and phy patches posted before
> Faiz Abbas (3):
> dt-bindings: mmc: sdhci-am654: Document bindings for the host
> controllers on TI's AM654 SOCs
> dt-bindings: mmc: sdhci-of-arasan: Add deprecated message for am65
> mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver
> .../devicetree/bindings/mmc/arasan,sdhci.txt | 4 +
> .../devicetree/bindings/mmc/sdhci-am654.txt | 37 ++
> drivers/mmc/host/Kconfig | 12 +
> drivers/mmc/host/Makefile | 1 +
> drivers/mmc/host/sdhci-of-arasan.c | 46 ---
> drivers/mmc/host/sdhci_am654.c | 374 ++++++++++++++++++
> 6 files changed, 428 insertions(+), 46 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-am654.txt
> create mode 100644 drivers/mmc/host/sdhci_am654.c