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ata: ahci_brcmstb: add support for MIPS-based platforms

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The BCM7xxx ARM-based and MIPS-based platforms share a similar hardware
block for AHCI SATA3.

This new compatible string, "brcm,bcm7425-ahci", may be used for most
MIPS-based platforms of 40nm process technology.

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Jaedon Shin 2015-11-26 11:56:29 +09:00 committed by Tejun Heo
parent dfcdc5fe03
commit 1980eb9bd7
3 changed files with 5 additions and 2 deletions
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4
Documentation/devicetree/bindings/ata/brcm,sata-brcmstb.txt
View File

@ -4,7 +4,9 @@ SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA controller should have its own node.
Required properties:
- compatible : compatible list, may contain "brcm,bcm7445-ahci" and/or
- compatible : should be one or more of
"brcm,bcm7425-ahci"
"brcm,bcm7445-ahci"
"brcm,sata3-ahci"
- reg : register mappings for AHCI and SATA_TOP_CTRL
- reg-names : "ahci" and "top-ctrl"

2
drivers/ata/Kconfig
View File

@ -100,7 +100,7 @@ config SATA_AHCI_PLATFORM
config AHCI_BRCMSTB
tristate "Broadcom STB AHCI SATA support"
depends on ARCH_BRCMSTB
depends on ARCH_BRCMSTB || BMIPS_GENERIC
help
This option enables support for the AHCI SATA3 controller found on
STB SoC's.

1
drivers/ata/ahci_brcmstb.c
View File

@ -318,6 +318,7 @@ static int brcm_ahci_remove(struct platform_device *pdev)
}
static const struct of_device_id ahci_of_match[] = {
{.compatible = "brcm,bcm7425-ahci"},
{.compatible = "brcm,bcm7445-ahci"},
{},
};