Hi Zhou,
Le mer., juil. 13 2022 at 22:33:44 +0800, Zhou Yanjie zhouyu@wanyeetech.com a écrit :
Hi Aidan,
On 2022/7/9 上午12:02, Aidan MacDonald wrote:
On some Ingenic SoCs, such as the X1000, there is a programmable divider used to generate the I2S system clock from a PLL, rather than a fixed PLL/2 clock. It doesn't make much sense to call the clock "pll half" on those SoCs, so the clock name should really be a SoC-dependent value.
Signed-off-by: Aidan MacDonald aidanmacdonald.0x0@gmail.com
sound/soc/jz4740/jz4740-i2s.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c index 0dcc658b3784..a41398c24d0e 100644 --- a/sound/soc/jz4740/jz4740-i2s.c +++ b/sound/soc/jz4740/jz4740-i2s.c @@ -75,6 +75,8 @@ struct i2s_soc_info { struct reg_field field_i2sdiv_capture; struct reg_field field_i2sdiv_playback; + const char *pll_clk_name;
- bool shared_fifo_flush; }; @@ -281,7 +283,7 @@ static int jz4740_i2s_set_sysclk(struct
snd_soc_dai *dai, int clk_id, clk_set_parent(i2s->clk_i2s, parent); break; case JZ4740_I2S_CLKSRC_PLL:
parent = clk_get(NULL, "pll half");
parent = clk_get(NULL, i2s->soc_info->pll_clk_name);@@ -400,6 +402,7 @@ static const struct i2s_soc_info jz4740_i2s_soc_info = { .field_tx_fifo_thresh = REG_FIELD(JZ_REG_AIC_CONF, 8, 11), .field_i2sdiv_capture = REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3), .field_i2sdiv_playback = REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3),
- .pll_clk_name = "pll half", .shared_fifo_flush = true, }; @@ -409,6 +412,7 @@ static const struct i2s_soc_info
jz4760_i2s_soc_info = { .field_tx_fifo_thresh = REG_FIELD(JZ_REG_AIC_CONF, 16, 20), .field_i2sdiv_capture = REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3), .field_i2sdiv_playback = REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3),
- .pll_clk_name = "pll half", };
Since JZ4760, according to the description of the I2SCDR register, Ingenic SoCs no longer use PLL/2 clock, but directly use PLL clock, so it seems also inappropriate to use "pll half" for these SoCs.
The device tree passes the clock as "pll half". So the driver should use this name as well...
Cheers, -Paul
static struct snd_soc_dai_driver jz4770_i2s_dai = { @@ -435,6 +439,7 @@ static const struct i2s_soc_info jz4770_i2s_soc_info = { .field_tx_fifo_thresh = REG_FIELD(JZ_REG_AIC_CONF, 16, 20), .field_i2sdiv_capture = REG_FIELD(JZ_REG_AIC_CLK_DIV, 8, 11), .field_i2sdiv_playback = REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3),
- .pll_clk_name = "pll half", };
Same here.
static const struct i2s_soc_info jz4780_i2s_soc_info = { @@ -443,6 +448,7 @@ static const struct i2s_soc_info jz4780_i2s_soc_info = { .field_tx_fifo_thresh = REG_FIELD(JZ_REG_AIC_CONF, 16, 20), .field_i2sdiv_capture = REG_FIELD(JZ_REG_AIC_CLK_DIV, 8, 11), .field_i2sdiv_playback = REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3),
- .pll_clk_name = "pll half", };
Same here.
Thanks and best regards!
static const struct snd_soc_component_driver jz4740_i2s_component = {