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ASoC: sun4i-i2s: Add compatibility with A64 codec I2S 

The I2S block used for the audio codec in the A64 differs from other 3
I2S modules in A64 and isn't compatible with H3. But it is very similar
to what is found in A10(sun4i). However, its TX FIFO is
located at a different address.

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Marcus Cooper 2018-10-17 00:38:05 -07:00 committed by Mark Brown
parent 3b99103849
commit 66ecce3325
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GPG Key ID: 24D68B725D5487D0
2 changed files with 23 additions and 0 deletions
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2
Documentation/devicetree/bindings/sound/sun4i-i2s.txt
View File

@ -10,6 +10,7 @@ Required properties:
- "allwinner,sun6i-a31-i2s"
- "allwinner,sun8i-a83t-i2s"
- "allwinner,sun8i-h3-i2s"
- "allwinner,sun50i-a64-codec-i2s"
- reg: physical base address of the controller and length of memory mapped
region.
- interrupts: should contain the I2S interrupt.
@ -26,6 +27,7 @@ Required properties for the following compatibles:
- "allwinner,sun6i-a31-i2s"
- "allwinner,sun8i-a83t-i2s"
- "allwinner,sun8i-h3-i2s"
- "allwinner,sun50i-a64-codec-i2s"
- resets: phandle to the reset line for this codec
Example:

21
sound/soc/sunxi/sun4i-i2s.c
View File

@ -961,6 +961,23 @@ static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = {
.field_rxchansel = REG_FIELD(SUN8I_I2S_RX_CHAN_SEL_REG, 0, 2),
};
static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = {
.has_reset = true,
.reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG,
.sun4i_i2s_regmap = &sun4i_i2s_regmap_config,
.has_slave_select_bit = true,
.field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
.field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
.field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
.field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
.field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
.field_fmt_mode = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
.field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
.field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
.field_txchansel = REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
.field_rxchansel = REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
};
static int sun4i_i2s_init_regmap_fields(struct device *dev,
struct sun4i_i2s *i2s)
{
@ -1169,6 +1186,10 @@ static const struct of_device_id sun4i_i2s_match[] = {
.compatible = "allwinner,sun8i-h3-i2s",
.data = &sun8i_h3_i2s_quirks,
},
{
.compatible = "allwinner,sun50i-a64-codec-i2s",
.data = &sun50i_a64_codec_i2s_quirks,
},
{}
};
MODULE_DEVICE_TABLE(of, sun4i_i2s_match);