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authorArend van Spriel2014-01-06 12:40:42 +0100
committerJohn W. Linville2014-01-06 15:48:02 -0500
commitaf35f55f94595c34076b7bf1cbe0087429d1ae5b (patch)
tree5c079d3ed0a58e9bc283ff7a8caada0ad4b1606d /drivers
parent2375d9701bb2f524ade9860fb4f7bc82c76c661a (diff)
brcmfmac: add sdio drive strength programming for bcm4334 chipset
The table for BCM4334 SDIO drive strength programming was missing from the driver. Adding it with this patch set. Reviewed-by: Franky Lin <frankyl@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
index 5f39f28e6efb..6aa6ba02b036 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
@@ -83,6 +83,13 @@ static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = {
{0, 0x1}
};
+/* SDIO Drive Strength to sel value table for PMU Rev 17 (1.8v) */
+static const struct sdiod_drive_str sdiod_drvstr_tab6_1v8[] = {
+ {3, 0x3},
+ {2, 0x2},
+ {1, 0x1},
+ {0, 0x0} };
+
/* SDIO Drive Strength to sel value table for 43143 PMU Rev 17 (3.3V) */
static const struct sdiod_drive_str sdiod_drvstr_tab2_3v3[] = {
{16, 0x7},
@@ -757,6 +764,11 @@ brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
str_mask = 0x00003800;
str_shift = 11;
break;
+ case SDIOD_DRVSTR_KEY(BCM4334_CHIP_ID, 17):
+ str_tab = sdiod_drvstr_tab6_1v8;
+ str_mask = 0x00001800;
+ str_shift = 11;
+ break;
case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17):
/* note: 43143 does not support tristate */
i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1;