[PATCH 2/3] mfd: rk8xx-core: Configure `rk808-clkout2` function
Rudraksha Gupta via B4 Relay
devnull+guptarud.gmail.com at kernel.org
Mon Jan 12 22:42:25 PST 2026
From: Kamil Trzciński <ayufan at ayufan.eu>
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 <martijn at brixit.nl>
Signed-off-by: Martijn Braam <martijn at brixit.nl>
Signed-off-by: Kamil Trzciński <ayufan at ayufan.eu>
Signed-off-by: Ondrej Jirman <megi at xff.cz>
Signed-off-by: Rudraksha Gupta <guptarud at gmail.com>
---
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
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