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@gmail.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://patch.msgid.link/742e76cd0b87e726818d4fddc534a29298697b6b.1765804226.git.mazziesaccount@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>

Author: M-Vaittinen

drivers/clk/Kconfig

@@ -475,8 +475,8 @@ 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"

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@fi.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");