diff mbox series

[v2,06/21] clk: imx: pllv3: add disable() support

Message ID 20200110144711.81938-7-giulio.benetti@benettiengineering.com
State Accepted
Commit cbb20014a3b06bf9d9e1a71aded08ea997fd7778
Headers show
Series Add i.MXRT family support | expand

Commit Message

Giulio Benetti Jan. 10, 2020, 2:46 p.m. UTC
Add disable() support.

Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
Reviewed-by: Lukasz Majewski <lukma at denx.de>
---
 drivers/clk/imx/clk-pllv3.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Comments

Stefano Babic Jan. 15, 2020, 12:47 p.m. UTC | #1
> Add disable() support.
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
> Reviewed-by: Lukasz Majewski <lukma at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic
diff mbox series

Patch

diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index d8cbe3dd4e..9b37cd9cd9 100644
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -54,9 +54,25 @@  static int clk_pllv3_generic_enable(struct clk *clk)
 	return 0;
 }
 
+static int clk_pllv3_generic_disable(struct clk *clk)
+{
+	struct clk_pllv3 *pll = to_clk_pllv3(clk);
+	u32 val;
+
+	val = readl(pll->base);
+	if (pll->powerup_set)
+		val &= ~pll->power_bit;
+	else
+		val |= pll->power_bit;
+	writel(val, pll->base);
+
+	return 0;
+}
+
 static const struct clk_ops clk_pllv3_generic_ops = {
 	.get_rate	= clk_pllv3_generic_get_rate,
 	.enable		= clk_pllv3_generic_enable,
+	.disable	= clk_pllv3_generic_disable,
 };
 
 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,