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misc: rtsx: Fix PAD driving for RTS5261 

This patch fix PAD driving for RTS5261

Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397291-2885-1-git-send-email-rui_feng@realsil.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Rui Feng 2020-11-03 17:54:51 +08:00 committed by Ulf Hansson
parent 0a3bbf92df
commit 6f61dd2844
2 changed files with 8 additions and 13 deletions
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15
drivers/misc/cardreader/rts5261.c
View File

@ -26,16 +26,16 @@ static u8 rts5261_get_ic_version(struct rtsx_pcr *pcr)
static void rts5261_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
{
u8 driving_3v3[4][3] = {
{0x13, 0x13, 0x13},
{0x96, 0x96, 0x96},
{0x96, 0x96, 0x96},
{0x7F, 0x7F, 0x7F},
{0x96, 0x96, 0x96},
{0x13, 0x13, 0x13},
};
u8 driving_1v8[4][3] = {
{0x99, 0x99, 0x99},
{0xB3, 0xB3, 0xB3},
{0x3A, 0x3A, 0x3A},
{0xE6, 0xE6, 0xE6},
{0xB3, 0xB3, 0xB3},
{0x99, 0x99, 0x99},
};
u8 (*driving)[3], drive_sel;
@ -71,9 +71,6 @@ static void rtsx5261_fetch_vendor_settings(struct rtsx_pcr *pcr)
return;
}
pcr->card_drive_sel &= 0x3F;
pcr->card_drive_sel |= rts5261_reg_to_card_drive_sel(reg);
if (rts5261_reg_check_reverse_socket(reg))
pcr->flags |= PCR_REVERSE_SOCKET;
@ -761,8 +758,8 @@ void rts5261_init_params(struct rtsx_pcr *pcr)
pcr->flags = 0;
pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
pcr->sd30_drive_sel_1v8 = 0x00;
pcr->sd30_drive_sel_3v3 = 0x00;
pcr->aspm_en = ASPM_L1_EN;
pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 11);
pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5);

6
drivers/misc/cardreader/rts5261.h
View File

@ -15,10 +15,8 @@
#define rts5261_reg_to_aspm(reg) \
(((~(reg) >> 28) & 0x02) | (((reg) >> 28) & 0x01))
#define rts5261_reg_check_reverse_socket(reg) ((reg) & 0x04)
#define rts5261_reg_to_card_drive_sel(reg) ((((reg) >> 6) & 0x01) << 6)
#define rts5261_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 22) ^ 0x03)
#define rts5261_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 16) ^ 0x03)
#define rts5261_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 22) & 0x03)
#define rts5261_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 16) & 0x03)
#define RTS5261_AUTOLOAD_CFG0 0xFF7B
#define RTS5261_AUTOLOAD_CFG1 0xFF7C