From: <rui_feng@realsil.com.cn>
To: <arnd@arndb.de>, <gregkh@linuxfoundation.org>, <ulf.hansson@linaro.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-mmc@vger.kernel.org>,
Rui Feng <rui_feng@realsil.com.cn>
Subject: [PATCH 4/8] misc: rtsx: Fix PAD driving for RTS5261
Date: Tue, 3 Nov 2020 17:54:51 +0800 [thread overview]
Message-ID: <1604397291-2885-1-git-send-email-rui_feng@realsil.com.cn> (raw)
From: Rui Feng <rui_feng@realsil.com.cn>
This patch fix PAD driving for RTS5261
Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
---
drivers/misc/cardreader/rts5261.c | 15 ++++++---------
drivers/misc/cardreader/rts5261.h | 6 ++----
2 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c
index 3e30e542ef1a..b299e472e87b 100644
--- a/drivers/misc/cardreader/rts5261.c
+++ b/drivers/misc/cardreader/rts5261.c
@@ -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},
- {0x7F, 0x7F, 0x7F},
{0x96, 0x96, 0x96},
+ {0x7F, 0x7F, 0x7F},
+ {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);
diff --git a/drivers/misc/cardreader/rts5261.h b/drivers/misc/cardreader/rts5261.h
index cb98abb7c935..2e47c798607b 100644
--- a/drivers/misc/cardreader/rts5261.h
+++ b/drivers/misc/cardreader/rts5261.h
@@ -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
--
2.17.1
reply other threads:[~2020-11-03 9:55 UTC|newest]
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