From: Ping-Ke Shih <pkshih@realtek.com>
To: <kvalo@kernel.org>
Cc: <linux-wireless@vger.kernel.org>
Subject: [PATCH 1/2] wifi: rtw89: 8852c: set pin MUX to enable BT firmware log
Date: Fri, 30 Sep 2022 21:44:16 +0800 [thread overview]
Message-ID: <20220930134417.10282-1-pkshih@realtek.com> (raw)
8852CE is a combo chip, and WiFi driver controls pin MUX. To output BT
firmware log to specific hardware pin, set pin MUX to achieve.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
drivers/net/wireless/realtek/rtw89/reg.h | 4 ++++
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index ca20bb024b407..356389425d5dc 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -229,6 +229,10 @@
#define R_AX_GPIO0_7_FUNC_SEL 0x02D0
+#define R_AX_LED1_FUNC_SEL 0x02DC
+#define B_AX_PINMUX_EESK_FUNC_SEL_V1_MASK GENMASK(27, 24)
+#define PINMUX_EESK_FUNC_SEL_BT_LOG 0x1
+
#define R_AX_GPIO0_15_EECS_EESK_LED1_PULL_LOW_EN 0x02E4
#define B_AX_LED1_PULL_LOW_EN BIT(18)
#define B_AX_EESK_PULL_LOW_EN BIT(17)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 67653b3e1a356..5792b75e19ce8 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -273,6 +273,9 @@ static int rtw8852c_pwr_on_func(struct rtw89_dev *rtwdev)
B_AX_CMAC_DMA_EN | B_AX_PTCLTOP_EN | B_AX_SCHEDULER_EN |
B_AX_TMAC_EN | B_AX_RMAC_EN);
+ rtw89_write32_mask(rtwdev, R_AX_LED1_FUNC_SEL, B_AX_PINMUX_EESK_FUNC_SEL_V1_MASK,
+ PINMUX_EESK_FUNC_SEL_BT_LOG);
+
return 0;
}
--
2.25.1
next reply other threads:[~2022-09-30 13:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-30 13:44 Ping-Ke Shih [this message]
2022-09-30 13:44 ` [PATCH 2/2] wifi: rtw89: add to dump TX FIFO 0/1 for 8852C Ping-Ke Shih
2022-10-05 7:43 ` [PATCH 1/2] wifi: rtw89: 8852c: set pin MUX to enable BT firmware log Kalle Valo
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