This patch adds support for the APM X-Gene SoC SATA host controller. In
order for the host controller to work, the corresponding PHY driver
musts also be available.
v7:
* Update the clock code by toggle the clock
* Update the DTS clock mask values due to the clock spilt between host and
v5 of the PHY drivers
v6:
* Update binding documentation
* Change select PHY_XGENE_SATA to PHY_XGENE
* Add ULL to constants
* Change indentation and comments
* Clean up the probe functions a bit more
* Remove xgene_ahci_remove function
* Add the flush register to DTS
* Remove the interrupt-parent from DTS
v5:
* Sync up to v3 of the PHY driver
* Remove MSLIM wrapper functions
* Change the memory shutdown loop to use usleep_range
* Use devm_ioremap_resource instead devm_ioremap
* Remove suspend/resume functions as not needed
v4:
* Remove the ID property in DT
* Remove the temporary PHY direct function call and use PHY function
* Change printk to pr_debug
* Move the IOB flush addresses into the DT
* Remove the parameters retrieval function as no longer needed
* Remove the header file as no longer needed
* Require v2 patch of the SATA PHY driver. Require slightly modification
in the Kconfig as it is moved to folder driver/phy and use Kconfig
PHY_XGENE_SATA instead SATA_XGENE_PHY.
v3:
* Move out the SATA PHY to another driver
* Remove the clock-cells entry from DTS
* Remove debug wrapper
* Remove delay functions wrapper
* Clean up resource and IRQ query
* Remove query clock name
* Switch to use dma_set_mask/dma_coherent_mask
* Remove un-necessary devm_kfree
* Update GPL license header to v2
* Spilt up function xgene_ahci_hardreset
* Spilt up function xgene_ahci_probe
* Remove all reference of CONFIG_ARCH_MSLIM
* Clean up chip revision code
v2:
* Clean up file sata_xgene.c with Lindent and etc
* Clean up file sata_xgene_serdes.c with Lindent and etc
* Add description to each patch
v1:
* inital version
Signed-off-by: Loc Ho <lho@xxxxxxx>
Signed-off-by: Tuan Phan <tphan@xxxxxxx>
Signed-off-by: Suman Tripathi <stripathi@xxxxxxx>
---
Loc Ho (4):
ata: Export required functions by APM X-Gene SATA driver
Documentation: Add documentation for APM X-Gene SoC SATA host
controller DTS binding
ata: Add APM X-Gene SoC SATA host controller driver
arm64: Add APM X-Gene SoC SATA host controller DTS entries
.../devicetree/bindings/ata/apm-xgene.txt | 68 ++
arch/arm64/boot/dts/apm-storm.dtsi | 81 ++
drivers/ata/Kconfig | 8 +
drivers/ata/Makefile | 1 +
drivers/ata/ahci.h | 9 +
drivers/ata/libahci.c | 16 +-
drivers/ata/sata_xgene.c | 1071 ++++++++++++++++++++
7 files changed, 1248 insertions(+), 6 deletions(-)
create mode 100644 Documentation/devicetree/bindings/ata/apm-xgene.txt
create mode 100644 drivers/ata/sata_xgene.c
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