From: Ondrej Jirman megi@xff.cz
This fixes access to camera sensor over I2C during probe time in the kernel. (Kernel will fix I/0 port voltage by itself, but the timing depends on probe order of the drivers, so the fix can come after the camera sensor driver already failed to probe.)
Signed-off-by: Ondrej Jirman megi@xff.cz Cc: Kever Yang kever.yang@rock-chips.com --- board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c b/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c index eb639cd0d070..b6ccbb9c1c4b 100644 --- a/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c +++ b/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c @@ -15,7 +15,8 @@ #include <asm/arch-rockchip/misc.h> #include <power/regulator.h>
-#define GRF_IO_VSEL_BT565_SHIFT 0 +#define GRF_IO_VSEL_BT565_GPIO2AB 1 +#define GRF_IO_VSEL_AUDIO_GPIO3D4A 2 #define PMUGRF_CON0_VSEL_SHIFT 8
#ifndef CONFIG_SPL_BUILD @@ -48,7 +49,8 @@ static void setup_iodomain(void) syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
/* BT565 is in 1.8v domain */ - rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_BT565_SHIFT); + rk_setreg(&grf->io_vsel, + GRF_IO_VSEL_BT565_GPIO2AB | GRF_IO_VSEL_AUDIO_GPIO3D4A);
/* Set GPIO1 1.8v/3.0v source select to PMU1830_VOL */ rk_setreg(&pmugrf->soc_con0, 1 << PMUGRF_CON0_VSEL_SHIFT);