In order to support RTC on Qualcomm MDM9615 SoC, add support for
the pm8018 rtc in rtc-pm8xxx driver.

Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
---
 Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt |  1 +
 drivers/rtc/rtc-pm8xxx.c                              | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt 
b/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt
index f24f334..37a088f 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt
+++ b/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt
@@ -62,6 +62,7 @@ The below bindings specify the set of valid subnodes.
                    "qcom,pm8058-rtc"
                    "qcom,pm8921-rtc"
                    "qcom,pm8941-rtc"
+                   "qcom,pm8018-rtc"
 
 - reg:
        Usage: required
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index 795fcbd..976f5f6 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -393,6 +393,16 @@ static int pm8xxx_rtc_enable(struct pm8xxx_rtc *rtc_dd)
        return 0;
 }
 
+static const struct pm8xxx_rtc_regs pm8018_regs = {
+       .ctrl           = 0x11d,
+       .write          = 0x11f,
+       .read           = 0x123,
+       .alarm_rw       = 0x127,
+       .alarm_ctrl     = 0x11d,
+       .alarm_ctrl2    = 0x11e,
+       .alarm_en       = BIT(1),
+};
+
 static const struct pm8xxx_rtc_regs pm8921_regs = {
        .ctrl           = 0x11d,
        .write          = 0x11f,
@@ -428,6 +438,7 @@ static const struct pm8xxx_rtc_regs pm8941_regs = {
  */
 static const struct of_device_id pm8xxx_id_table[] = {
        { .compatible = "qcom,pm8921-rtc", .data = &pm8921_regs },
+       { .compatible = "qcom,pm8018-rtc", .data = &pm8018_regs },
        { .compatible = "qcom,pm8058-rtc", .data = &pm8058_regs },
        { .compatible = "qcom,pm8941-rtc", .data = &pm8941_regs },
        { },
-- 
1.9.1

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