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-rw-r--r--drivers/clk/clk-si5341.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
index 28ac7085f362..c5ab4a5ae6a5 100644
--- a/drivers/clk/clk-si5341.c
+++ b/drivers/clk/clk-si5341.c
@@ -80,6 +80,7 @@ struct clk_si5341 {
u8 num_outputs;
u8 num_synth;
u16 chip_id;
+ bool xaxb_ext_clk;
};
#define to_clk_si5341(_hw) container_of(_hw, struct clk_si5341, hw)
@@ -529,9 +530,11 @@ static int si5341_clk_reparent(struct clk_si5341 *data, u8 index)
if (err < 0)
return err;
- /* Power up XTAL oscillator and buffer */
+ /* Power up XTAL oscillator and buffer, select clock mode */
err = regmap_update_bits(data->regmap, SI5341_XAXB_CFG,
- SI5341_XAXB_CFG_PDNB, SI5341_XAXB_CFG_PDNB);
+ SI5341_XAXB_CFG_PDNB | SI5341_XAXB_CFG_EXTCLK_EN,
+ SI5341_XAXB_CFG_PDNB | (data->xaxb_ext_clk ?
+ SI5341_XAXB_CFG_EXTCLK_EN : 0));
if (err < 0)
return err;
}
@@ -1539,6 +1542,8 @@ static int si5341_probe(struct i2c_client *client,
initialization_required = !err;
}
+ data->xaxb_ext_clk = of_property_read_bool(client->dev.of_node,
+ "silabs,xaxb-ext-clk");
if (initialization_required) {
/* Populate the regmap cache in preparation for "cache only" */