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authorMark Langsdorf <mark.langsdorf@calxeda.com>2012-09-06 16:03:30 -0500
committerJeff Garzik <jgarzik@redhat.com>2012-09-13 01:09:41 -0400
commit8996b89d6bc98ae2f6d6e6e624a42a3f89d06949 (patch)
tree2084f726d4a4b4ecc4db807fadcb2c529b73f776 /arch/arm/boot/dts/highbank.dts
parent100f586bd0959fe0e52b8a0b8cb49a3df1c6b044 (diff)
downloadlinux-linaro-stable-8996b89d6bc98ae2f6d6e6e624a42a3f89d06949.tar.gz
ata: add platform driver for Calxeda AHCI controller
Calxeda highbank SATA phy has intermittent problems bringing up a link with Gen3 drives. Retrying the phy hard reset can work-around this issue, but each reset also disables spread spectrum support. The reset function also needs to reprogram the phy to enable spread spectrum support. Create a new driver based on ahci_platform to support the Calxeda Highbank SATA controller. Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'arch/arm/boot/dts/highbank.dts')
-rw-r--r--arch/arm/boot/dts/highbank.dts17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts
index 9fecf1ae777b..5204cf73c2d8 100644
--- a/arch/arm/boot/dts/highbank.dts
+++ b/arch/arm/boot/dts/highbank.dts
@@ -121,6 +121,9 @@
compatible = "calxeda,hb-ahci";
reg = <0xffe08000 0x10000>;
interrupts = <0 83 4>;
+ calxeda,port-phys = <&combophy5 0 &combophy0 0
+ &combophy0 1 &combophy0 2
+ &combophy0 3>;
};
sdhci@ffe0e000 {
@@ -306,5 +309,19 @@
reg = <0xfff51000 0x1000>;
interrupts = <0 80 4 0 81 4 0 82 4>;
};
+
+ combophy0: combo-phy@fff58000 {
+ compatible = "calxeda,hb-combophy";
+ #phy-cells = <1>;
+ reg = <0xfff58000 0x1000>;
+ phydev = <5>;
+ };
+
+ combophy5: combo-phy@fff5d000 {
+ compatible = "calxeda,hb-combophy";
+ #phy-cells = <1>;
+ reg = <0xfff5d000 0x1000>;
+ phydev = <31>;
+ };
};
};