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rtw88: 8723d: Add cfg_ldo25 to control LDO25

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Implement rtw_chip_ops::cfg_ldo25 to enable/disable LDO25 with proper
voltage.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200420055054.14592-7-yhchuang@realtek.com
This commit is contained in:
Ping-Ke Shih 2020-04-20 13:50:52 +08:00 committed by Kalle Valo
parent 9874f6851e
commit 1afb5eb7a0
3 changed files with 21 additions and 1 deletions
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5
drivers/net/wireless/realtek/rtw88/reg.h
View File

@ -37,6 +37,11 @@
#define REG_LDO_EFUSE_CTRL 0x0034
#define BIT_MASK_EFUSE_BANK_SEL (BIT(8) | BIT(9))
#define BIT_LDO25_VOLTAGE_V25 0x03
#define BIT_MASK_LDO25_VOLTAGE GENMASK(6, 4)
#define BIT_SHIFT_LDO25_VOLTAGE 4
#define BIT_LDO25_EN BIT(7)
#define REG_GPIO_MUXCFG 0x0040
#define BIT_FSPI_EN BIT(19)
#define BIT_BT_AOD_GPIO3 BIT(9)

15
drivers/net/wireless/realtek/rtw88/rtw8723d.c
View File

@ -14,10 +14,25 @@
#include "reg.h"
#include "debug.h"
static void rtw8723d_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
{
u8 ldo_pwr;
ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3);
if (enable) {
ldo_pwr &= ~BIT_MASK_LDO25_VOLTAGE;
ldo_pwr = (BIT_LDO25_VOLTAGE_V25 << 4) | BIT_LDO25_EN;
} else {
ldo_pwr &= ~BIT_LDO25_EN;
}
rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr);
}
static struct rtw_chip_ops rtw8723d_ops = {
.read_rf = rtw_phy_read_rf_sipi,
.write_rf = rtw_phy_write_rf_reg_sipi,
.set_antenna = NULL,
.cfg_ldo25 = rtw8723d_cfg_ldo25,
.config_bfee = NULL,
.set_gid_table = NULL,
.cfg_csi_rate = NULL,

2
drivers/net/wireless/realtek/rtw88/rtw8822b.c
View File

@ -1030,7 +1030,7 @@ static void rtw8822b_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
u8 ldo_pwr;
ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3);
ldo_pwr = enable ? ldo_pwr | BIT(7) : ldo_pwr & ~BIT(7);
ldo_pwr = enable ? ldo_pwr | BIT_LDO25_EN : ldo_pwr & ~BIT_LDO25_EN;
rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr);
}