[v2,15/17] clk: bd718x7: Add support for clk gate on ROHM BD71815 PMIC

Commit Message

Vaittinen, Matti Jan. 19, 2021, 7:30 a.m. UTC

ROHM BD71815 also provide clk signal for RTC. Add control
for gating this clock.

Signed-off-by: Matti Vaittinen <[e-mail]>
---

Changes since v1:
removed squash-commit leftover from commit message

 drivers/clk/clk-bd718x7.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Stephen Boyd Feb. 12, 2021, 3:40 a.m. UTC | #1

Quoting Matti Vaittinen (2021-01-18 23:30:26)
> ROHM BD71815 also provide clk signal for RTC. Add control
> for gating this clock.
> 
> Signed-off-by: Matti Vaittinen <[e-mail]>
> ---

Reviewed-by: Stephen Boyd <[e-mail]>

Patch

diff --git a/drivers/clk/clk-bd718x7.c b/drivers/clk/clk-bd718x7.c
index 17d90e09f1c0..d9e70e506d18 100644
--- a/drivers/clk/clk-bd718x7.c
+++ b/drivers/clk/clk-bd718x7.c
@@ -13,6 +13,8 @@ 
 #include <linux/regmap.h>
 
 /* clk control registers */
+/* BD71815 */
+#define BD71815_REG_OUT32K	0x1d
 /* BD70528 */
 #define BD70528_REG_OUT32K	0x2c
 /* BD71828 */
@@ -118,6 +120,10 @@  static int bd71837_clk_probe(struct platform_device *pdev)
 		c->reg = BD70528_REG_OUT32K;
 		c->mask = CLK_OUT_EN_MASK;
 		break;
+	case ROHM_CHIP_TYPE_BD71815:
+		c->reg = BD71815_REG_OUT32K;
+		c->mask = CLK_OUT_EN_MASK;
+		break;
 	default:
 		dev_err(&pdev->dev, "Unknown clk chip\n");
 		return -EINVAL;
@@ -146,6 +152,7 @@  static const struct platform_device_id bd718x7_clk_id[] = {
 	{ "bd71847-clk", ROHM_CHIP_TYPE_BD71847 },
 	{ "bd70528-clk", ROHM_CHIP_TYPE_BD70528 },
 	{ "bd71828-clk", ROHM_CHIP_TYPE_BD71828 },
+	{ "bd71815-clk", ROHM_CHIP_TYPE_BD71815 },
 	{ },
 };
 MODULE_DEVICE_TABLE(platform, bd718x7_clk_id);
@@ -161,6 +168,6 @@  static struct platform_driver bd71837_clk = {
 module_platform_driver(bd71837_clk);
 
 MODULE_AUTHOR("Matti Vaittinen <[e-mail]>");
-MODULE_DESCRIPTION("BD71837/BD71847/BD70528 chip clk driver");
+MODULE_DESCRIPTION("BD718(15/18/28/37/47/50) and BD70528 chip clk driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:bd718xx-clk");