GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-03-16 12:14:06 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ASoC: dwc: i2s: Add RX master support for StarFive JH7110 SoC

Browse source 
Add JH7110 I2S RX master support, so the PDM can work on JH7110
EVB board.

Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
This commit is contained in:
Xingyu Wu 2023-10-17 17:22:52 +08:00 • committed by Hal Feng
parent 29ebe44f04
commit 2fef0872da
1 changed files with 31 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
sound/soc/dwc/dwc-i2s.c Normal file → Executable file
View file

@ -906,6 +906,27 @@ static int jh7110_i2srx_crg_init(struct dw_i2s_dev *dev)
return jh7110_i2s_crg_slave_init(dev);
}
/* Special syscon initialization about RX channel with master mode on JH7110 SoC */
static int jh7110_i2srx_mst_crg_init(struct dw_i2s_dev *dev)
{
struct regmap *regmap;
unsigned int args[5];
regmap = syscon_regmap_lookup_by_phandle_args(dev->dev->of_node,
"starfive,syscon",
5, args);
if (IS_ERR(regmap))
return dev_err_probe(dev->dev, PTR_ERR(regmap), "getting the regmap failed\n");
/* Enable I2Srx with syscon register, args[0]: offset, args[1]: mask */
regmap_update_bits(regmap, args[0], args[1], args[1]);
/* Change I2Srx source (PDM) with syscon register, args[0]: offset, args[1]: mask */
regmap_update_bits(regmap, args[2], args[3], args[4]);
return jh7110_i2s_crg_master_init(dev);
}
static int jh7110_i2stx0_clk_cfg(struct i2s_clk_config_data *config)
{
struct dw_i2s_dev *dev = container_of(config, struct dw_i2s_dev, config);
@ -1086,11 +1107,21 @@ static const struct i2s_platform_data jh7110_i2srx_data = {
.i2s_pd_init = jh7110_i2srx_crg_init,
};
static const struct i2s_platform_data jh7110_i2srx_mst_data = {
.cap = DWC_I2S_RECORD | DW_I2S_MASTER,
.channel = TWO_CHANNEL_SUPPORT,
.snd_fmts = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
.snd_rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000,
.i2s_clk_cfg = jh7110_i2stx0_clk_cfg,
.i2s_pd_init = jh7110_i2srx_mst_crg_init,
};
static const struct of_device_id dw_i2s_of_match[] = {
{ .compatible = "snps,designware-i2s", },
{ .compatible = "starfive,jh7110-i2stx0", .data = &jh7110_i2stx0_data, },
{ .compatible = "starfive,jh7110-i2stx1", .data = &jh7110_i2stx1_data,},
{ .compatible = "starfive,jh7110-i2srx", .data = &jh7110_i2srx_data,},
{ .compatible = "starfive,jh7110-i2srx-master", .data = &jh7110_i2srx_mst_data,},
{},
};