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Message-ID: <73e5485c34db0667b505bf73b597e0b3cd1b6060.1759824376.git.mazziesaccount@gmail.com>
Date: Tue, 7 Oct 2025 11:34:42 +0300
From: Matti Vaittinen <mazziesaccount@...il.com>
To: Matti Vaittinen <mazziesaccount@...il.com>,
Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc: Lee Jones <lee@...nel.org>, Pavel Machek <pavel@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Sebastian Reichel <sre@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Matti Vaittinen <mazziesaccount@...il.com>,
Andreas Kemnade <andreas@...nade.info>, linux-leds@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: [RFC PATCH 10/13] clk: clk-bd718x7: Support BD72720 clk gate
The BD72720 has similar simple clk gate as a few other ROHM PMICs.
Add support for BD72720 clk gate.
Signed-off-by: Matti Vaittinen <mazziesaccount@...il.com>
---
drivers/clk/Kconfig | 4 ++--
drivers/clk/clk-bd718x7.c | 10 ++++++++--
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 4d56475f94fc..9742a3d0c1cb 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -474,8 +474,8 @@ config COMMON_CLK_BD718XX
tristate "Clock driver for 32K clk gates on ROHM PMICs"
depends on MFD_ROHM_BD718XX || MFD_ROHM_BD71828
help
- This driver supports ROHM BD71837, BD71847, BD71850, BD71815
- and BD71828 PMICs clock gates.
+ This driver supports ROHM BD71837, BD71847, BD71850, BD71815,
+ BD71828, and BD72720 PMICs clock gates.
config COMMON_CLK_FIXED_MMIO
bool "Clock driver for Memory Mapped Fixed values"
diff --git a/drivers/clk/clk-bd718x7.c b/drivers/clk/clk-bd718x7.c
index ac40b669d60b..1cae974e6d1d 100644
--- a/drivers/clk/clk-bd718x7.c
+++ b/drivers/clk/clk-bd718x7.c
@@ -19,7 +19,8 @@
#define BD71828_REG_OUT32K 0x4B
/* BD71837 and BD71847 */
#define BD718XX_REG_OUT32K 0x2E
-
+/* BD72720 */
+#define BD72720_REG_OUT32K 0x9a
/*
* BD71837, BD71847, and BD71828 all use bit [0] to clk output control
*/
@@ -118,6 +119,10 @@ static int bd71837_clk_probe(struct platform_device *pdev)
c->reg = BD71815_REG_OUT32K;
c->mask = CLK_OUT_EN_MASK;
break;
+ case ROHM_CHIP_TYPE_BD72720:
+ c->reg = BD72720_REG_OUT32K;
+ c->mask = CLK_OUT_EN_MASK;
+ break;
default:
dev_err(&pdev->dev, "Unknown clk chip\n");
return -EINVAL;
@@ -146,6 +151,7 @@ static const struct platform_device_id bd718x7_clk_id[] = {
{ "bd71847-clk", ROHM_CHIP_TYPE_BD71847 },
{ "bd71828-clk", ROHM_CHIP_TYPE_BD71828 },
{ "bd71815-clk", ROHM_CHIP_TYPE_BD71815 },
+ { "bd72720-clk", ROHM_CHIP_TYPE_BD72720 },
{ },
};
MODULE_DEVICE_TABLE(platform, bd718x7_clk_id);
@@ -161,6 +167,6 @@ static struct platform_driver bd71837_clk = {
module_platform_driver(bd71837_clk);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@...rohmeurope.com>");
-MODULE_DESCRIPTION("BD718(15/18/28/37/47/50) and chip clk driver");
+MODULE_DESCRIPTION("BD718(15/18/28/37/47/50) and BD72720 chip clk driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:bd718xx-clk");
--
2.51.0
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