diff options
| author | Sergej Sawazki <sergej@taudac.com> | 2017-09-16 13:44:41 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-12-21 18:09:18 -0800 |
| commit | 51279ef9f64cf7eb8b3f891a2b60fa1aa4938afc (patch) | |
| tree | 8406d6a2eb541671c99e636161023430a01054df | |
| parent | 758231d5a80a784d60ce7c96b27f8771ca4c682b (diff) | |
clk: si5351: Add DT property to enable PLL reset
Add optional output clock DT property to enable PLL reset when a clock
output is enabled.
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Rabeeh Khoury <rabeeh@solid-run.com>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Sergej Sawazki <sergej@taudac.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| -rw-r--r-- | Documentation/devicetree/bindings/clock/silabs,si5351.txt | 1 | ||||
| -rw-r--r-- | drivers/clk/clk-si5351.c | 3 | ||||
| -rw-r--r-- | include/linux/platform_data/si5351.h | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/silabs,si5351.txt b/Documentation/devicetree/bindings/clock/silabs,si5351.txt index a6c4ef343b44..f00191cad8cd 100644 --- a/Documentation/devicetree/bindings/clock/silabs,si5351.txt +++ b/Documentation/devicetree/bindings/clock/silabs,si5351.txt @@ -49,6 +49,7 @@ Optional child node properties: - silabs,multisynth-source: source pll A(0) or B(1) of corresponding multisynth divider. - silabs,pll-master: boolean, multisynth can change pll frequency. +- silabs,pll-reset: boolean, clock output can reset its pll. - silabs,disable-state : clock output disable state, shall be 0 = clock output is driven LOW when disabled 1 = clock output is driven HIGH when disabled diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c index 36a15f161dfd..f63fcc0d8cf5 100644 --- a/drivers/clk/clk-si5351.c +++ b/drivers/clk/clk-si5351.c @@ -1297,6 +1297,9 @@ static int si5351_dt_parse(struct i2c_client *client, pdata->clkout[num].pll_master = of_property_read_bool(child, "silabs,pll-master"); + + pdata->clkout[num].pll_reset = + of_property_read_bool(child, "silabs,pll-reset"); } client->dev.platform_data = pdata; diff --git a/include/linux/platform_data/si5351.h b/include/linux/platform_data/si5351.h index 818c5c6e203f..c71a2dd66143 100644 --- a/include/linux/platform_data/si5351.h +++ b/include/linux/platform_data/si5351.h @@ -86,6 +86,7 @@ enum si5351_disable_state { * @multisynth_src: multisynth source clock * @clkout_src: clkout source clock * @pll_master: if true, clkout can also change pll rate + * @pll_reset: if true, clkout can reset its pll * @drive: output drive strength * @rate: initial clkout rate, or default if 0 */ @@ -95,6 +96,7 @@ struct si5351_clkout_config { enum si5351_drive_strength drive; enum si5351_disable_state disable_state; bool pll_master; + bool pll_reset; unsigned long rate; }; |