diff options
| author | Simon Glass <[email protected]> | 2018-12-27 20:15:20 -0700 |
|---|---|---|
| committer | Philipp Tomsich <[email protected]> | 2019-02-01 16:59:10 +0100 |
| commit | 3dbfe5ae614a561c3e0c2ccddd7cae0d4cd8f2c8 (patch) | |
| tree | a1d9b1d20816f16c75e7091386f339d24883076f /drivers/pinctrl | |
| parent | db4a29993d207fec33c07de8b8cb8a3fd22c9e6c (diff) | |
rockchip: rk3288: Add i2s pinctrl and clock support
Add support for setting pinctrl and clock for I2S on rk3288. This allows
the sound driver to operate. These settings were created by rkmux.py
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/rockchip/pinctrl_rk3288.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3288.c b/drivers/pinctrl/rockchip/pinctrl_rk3288.c index 3e01cfd98f4..fd19cfb51cc 100644 --- a/drivers/pinctrl/rockchip/pinctrl_rk3288.c +++ b/drivers/pinctrl/rockchip/pinctrl_rk3288.c @@ -531,6 +531,17 @@ static void pinctrl_rk3288_hdmi_config(struct rk3288_grf *grf, int hdmi_id) break; } } + +static void pinctrl_rk3288_i2s_config(struct rk3288_grf *grf) +{ + rk_setreg(&grf->gpio6a_iomux, GPIO6A4_I2S_SDO0 << GPIO6A4_SHIFT | + GPIO6A3_I2S_SDI << GPIO6A3_SHIFT | + GPIO6A2_I2S_LRCKTX << GPIO6A2_SHIFT | + GPIO6A1_I2S_LRCKRX << GPIO6A1_SHIFT | + GPIO6A0_I2S_SCLK << GPIO6A0_SHIFT); + rk_setreg(&grf->gpio6b_iomux, GPIO6B0_I2S_CLK << GPIO6B0_SHIFT); + rk_setreg(&grf->io_vsel, AUDIO_V18SEL_1_8V << AUDIO_V18SEL_SHIFT); +} #endif static int rk3288_pinctrl_request(struct udevice *dev, int func, int flags) @@ -567,6 +578,9 @@ static int rk3288_pinctrl_request(struct udevice *dev, int func, int flags) pinctrl_rk3288_uart_config(priv->grf, func); break; #ifndef CONFIG_SPL_BUILD + case PERIPH_ID_I2S: + pinctrl_rk3288_i2s_config(priv->grf); + break; case PERIPH_ID_LCDC0: case PERIPH_ID_LCDC1: pinctrl_rk3288_lcdc_config(priv->grf, func); |