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authorMatti Vaittinen <matti.vaittinen@fi.rohmeurope.com>2021-04-05 13:44:32 +0200
committerLee Jones <lee.jones@linaro.org>2021-04-14 11:21:26 +0200
commit42391f7e218581f810461b41a2912e487f2f1f50 (patch)
tree9dfd305d6e0f250a0b646449b7a46bce44ed6150 /drivers/clk/clk-bd718x7.c
parentregulator: Support ROHM BD71815 regulators (diff)
downloadlinux-42391f7e218581f810461b41a2912e487f2f1f50.tar.xz
linux-42391f7e218581f810461b41a2912e487f2f1f50.zip
clk: bd718x7: Add support for clk gate on ROHM BD71815 PMIC
ROHM BD71815 also provide clk signal for RTC. Add control for gating this clock. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/clk/clk-bd718x7.c')
-rw-r--r--drivers/clk/clk-bd718x7.c9
1 files changed, 8 insertions, 1 deletions
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 <matti.vaittinen@fi.rohmeurope.com>");
-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");