Thread (13 messages) 13 messages, 6 authors, 2026-01-14

Re: [PATCH 2/3] mfd: rk8xx-core: Configure `rk808-clkout2` function

From: Lee Jones <lee@kernel.org>
Date: 2026-01-13 11:04:50
Also in: linux-devicetree, linux-rockchip, lkml

On Mon, 12 Jan 2026, Rudraksha Gupta via B4 Relay wrote:
From: Kamil Trzciński <redacted>

While the Wifi and Bluetooth chip are defined in the Pinephone Pro's
DTS, it actually isn't able to be used. Let's define rk808-clkout2 so
that userspace can actually interact with Wifi and Bluetooth

Co-developed-by: Martijn Braam <redacted>
Signed-off-by: Martijn Braam <redacted>
Signed-off-by: Kamil Trzciński <redacted>
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Rudraksha Gupta <redacted>
This is a bonkers amount of SoBs for a 3-line change.

What on earth is going on here?
quoted hunk ↗ jump to hunk
---
 drivers/mfd/rk8xx-core.c  | 1 +
 include/linux/mfd/rk808.h | 2 ++
 2 files changed, 3 insertions(+)
diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c
index def4587fdfb8..602218694334 100644
--- a/drivers/mfd/rk8xx-core.c
+++ b/drivers/mfd/rk8xx-core.c
@@ -282,6 +282,7 @@ static const struct rk808_reg_data rk818_pre_init_reg[] = {
 	{ RK818_H5V_EN_REG,	  BIT(0),	    RK818_H5V_EN },
 	{ RK808_VB_MON_REG,	  MASK_ALL,	    VB_LO_ACT |
 						    VB_LO_SEL_3500MV },
+	{ RK808_CLK32OUT_REG, CLK32KOUT2_FUNC_MASK, CLK32KOUT2_FUNC },
 };
 
 static const struct regmap_irq rk805_irqs[] = {
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 28170ee08898..077fe2e15b78 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -934,6 +934,8 @@ enum rk806_dvs_mode {
 
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
+#define CLK32KOUT2_FUNC		(0 << 1)
+#define CLK32KOUT2_FUNC_MASK	BIT(1)
 
 #define TEMP105C			0x08
 #define TEMP115C			0x0c
-- 
2.52.0
-- 
Lee Jones [李琼斯]
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