This patch adds DT settings for the max_channels_clocked, spk_fmt and
spk_mute pdata.
Signed-off-by: Richard Fitzgerald <r...@opensource.wolfsonmicro.com>
---
Documentation/devicetree/bindings/mfd/arizona.txt | 18 ++++++++++++++
drivers/mfd/arizona-core.c | 30 +++++++++++++++++++++++
2 files changed, 48 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt
b/Documentation/devicetree/bindings/mfd/arizona.txt
index a6e2ea41..8f2e282 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -85,6 +85,24 @@ Optional properties:
present, the number of values should be less than or equal to the
number of inputs, unspecified inputs will use the chip default.
+ - wlf,max-channels-clocked : The maximum number of channels to be clocked on
+ each AIF, useful for I2S systems with multiple data lines being mastered.
+ Specify one cell for each AIF to be configured, specify zero for AIFs that
+ should be handled normally.
+ If present, number of cells must be less than or equal to the number of
+ AIFs. If less than the number of AIFs, for cells that have not been
+ specified the corresponding AIFs will be treated as default setting.
+
+ - wlf,spk-fmt : PDM speaker data format, must contain 2 cells (OUT5 and
OUT6).
+ See the datasheet for values.
+ The second cell is ignored for codecs that do not have OUT6 (wm5102,
wm8997,
+ wm8998, wm1814)
+
+ - wlf,spk-mute : PDM speaker mute setting, must contain 2 cells (OUT5 and
OUT6).
+ See the datasheet for values.
+ The second cell is ignored for codecs that do not have OUT6 (wm5102,
wm8997,
+ wm8998, wm1814)
+
- DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if
they are being externally supplied. As covered in
Documentation/devicetree/bindings/regulator/regulator.txt
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index b95ff2d..3687e5f 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -760,6 +760,7 @@ static int arizona_of_get_core_pdata(struct arizona
*arizona)
struct property *prop;
const __be32 *cur;
u32 val;
+ u32 pdm_val[ARIZONA_MAX_PDM_SPK];
int ret, i;
int count = 0;
@@ -816,6 +817,35 @@ static int arizona_of_get_core_pdata(struct arizona
*arizona)
count++;
}
+ count = 0;
+ of_property_for_each_u32(arizona->dev->of_node,
+ "wlf,max-channels-clocked",
+ prop, cur, val) {
+ if (count == ARRAY_SIZE(pdata->max_channels_clocked))
+ break;
+
+ pdata->max_channels_clocked[count] = val;
+ count++;
+ }
+
+ ret = of_property_read_u32_array(arizona->dev->of_node,
+ "wlf,spk-fmt",
+ pdm_val,
+ ARRAY_SIZE(pdm_val));
+
+ if (ret >= 0)
+ for (count = 0; count < ARRAY_SIZE(pdata->spk_fmt); ++count)
+ pdata->spk_fmt[count] = pdm_val[count];
+
+ ret = of_property_read_u32_array(arizona->dev->of_node,
+ "wlf,spk-mute",
+ pdm_val,
+ ARRAY_SIZE(pdm_val));
+
+ if (ret >= 0)
+ for (count = 0; count < ARRAY_SIZE(pdata->spk_mute); ++count)
+ pdata->spk_mute[count] = pdm_val[count];
+
return 0;
}
--
1.9.1
