diff mbox series

[v3,08/10] clk: bd718x7: Support ROHM BD73800

Message ID 2a74fea679420d147ab1029943ff071628dc8c5a.1788346553.git.mazziesaccount@gmail.com
State New
Headers show
Series Support ROHM BD73800 | expand

Commit Message

Matti Vaittinen Sept. 2, 2026, 11:05 a.m. UTC 
From: Matti Vaittinen <mazziesaccount@gmail.com>

The ROHM BD73800 PMIC has a 32.768 kHz clock gate. Add support for
controlling this clock.

NOTE: The CLKOUT pin can be muxed by an OTP option. On some OTP
configurations the CLKOUT is not outputting the clk signal.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>

---
Revision history:
 v2 => v3:
 - Use named initializers for platform_device_id
 v1 => v2:
  - No changes
---
 drivers/clk/clk-bd718x7.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Jerome Brunet Sept. 4, 2026, 8:24 a.m. UTC | #1 
On mer. 02 sept. 2026 at 14:05, Matti Vaittinen <matti.vaittinen@linux.dev> wrote:

> From: Matti Vaittinen <mazziesaccount@gmail.com>
>
> The ROHM BD73800 PMIC has a 32.768 kHz clock gate. Add support for
> controlling this clock.
>
> NOTE: The CLKOUT pin can be muxed by an OTP option. On some OTP
> configurations the CLKOUT is not outputting the clk signal.
>
> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>

Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
diff mbox series

Patch

diff --git a/drivers/clk/clk-bd718x7.c b/drivers/clk/clk-bd718x7.c
index 8ddb50c67757..1698b763bcb7 100644
--- a/drivers/clk/clk-bd718x7.c
+++ b/drivers/clk/clk-bd718x7.c
@@ -21,6 +21,9 @@ 
 #define BD718XX_REG_OUT32K	0x2E
 /* BD72720 */
 #define BD72720_REG_OUT32K	0x9a
+/* BD73800 */
+#define BD73800_REG_OUT32K	0x50
+
 /*
  * BD71837, BD71847, and BD71828 all use bit [0] to clk output control
  */
@@ -123,6 +126,10 @@  static int bd71837_clk_probe(struct platform_device *pdev)
 		c->reg = BD72720_REG_OUT32K;
 		c->mask = CLK_OUT_EN_MASK;
 		break;
+	case ROHM_CHIP_TYPE_BD73800:
+		c->reg = BD73800_REG_OUT32K;
+		c->mask = CLK_OUT_EN_MASK;
+		break;
 	default:
 		dev_err(&pdev->dev, "Unknown clk chip\n");
 		return -EINVAL;
@@ -152,6 +159,7 @@  static const struct platform_device_id bd718x7_clk_id[] = {
 	{ .name = "bd71828-clk", .driver_data = ROHM_CHIP_TYPE_BD71828 },
 	{ .name = "bd71815-clk", .driver_data = ROHM_CHIP_TYPE_BD71815 },
 	{ .name = "bd72720-clk", .driver_data = ROHM_CHIP_TYPE_BD72720 },
+	{ .name = "bd73800-clk", .driver_data = ROHM_CHIP_TYPE_BD73800 },
 	{ }
 };
 MODULE_DEVICE_TABLE(platform, bd718x7_clk_id);