clk: clk-s2mps11: Add support for clocks in S5M8767 MFD

Since clock operation within S2MPS11 and S5M8767 are similar, we can
support both the devices within a single driver.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

drivers/clk/Kconfig

@@ -65,10 +65,12 @@ config COMMON_CLK_SI570
 	  clock generators.
 
 config COMMON_CLK_S2MPS11
-	tristate "Clock driver for S2MPS11 MFD"
+	tristate "Clock driver for S2MPS11/S5M8767 MFD"
 	depends on MFD_SEC_CORE
 	---help---
-	  This driver supports S2MPS11 crystal oscillator clock.
+	  This driver supports S2MPS11/S5M8767 crystal oscillator clock. These
+	  multi-function devices have 3 fixed-rate oscillators, clocked at
+	  32KHz each.
 
 config CLK_TWL6040
 	tristate "External McPDM functional clock from twl6040"

drivers/clk/clk-s2mps11.c

@@ -27,6 +27,7 @@
 #include <linux/clk-provider.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s5m8767.h>
 #include <linux/mfd/samsung/core.h>
 
 #define s2mps11_name(a) (a->hw.init->name)
@@ -175,6 +176,9 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 	case S2MPS11X:
 		s2mps11_reg = S2MPS11_REG_RTC_CTRL;
 		break;
+	case S5M8767X:
+		s2mps11_reg = S5M8767_REG_CTRL1;
+		break;
 	default:
 		dev_err(&pdev->dev, "Invalid device type\n");
 		return -EINVAL;
@@ -254,6 +258,7 @@ static int s2mps11_clk_remove(struct platform_device *pdev)
 
 static const struct platform_device_id s2mps11_clk_id[] = {
 	{ "s2mps11-clk", S2MPS11X},
+	{ "s5m8767-clk", S5M8767X},
 	{ },
 };
 MODULE_DEVICE_TABLE(platform, s2mps11_clk_id);