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 <[email protected]>
---
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
Ping-Ke Shih <[email protected]> wrote:
> 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 <[email protected]>
2 patches applied to wireless-next.git, thanks.
d187691ab63f wifi: rtw89: 8852c: set pin MUX to enable BT firmware log
732dd91db3d3 wifi: rtw89: add to dump TX FIFO 0/1 for 8852C
--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches