linux-kernel - [PATCH 4/4] rtc: pcf2123: add proper compatible string

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Message-Id: <20190620183433.30779-4-alexandre.belloni@bootlin.com>
Date:   Thu, 20 Jun 2019 20:34:33 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     Dylan Howey <Dylan.Howey@...nantco.com>,
        linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 4/4] rtc: pcf2123: add proper compatible string

nxp,rtc-pcf2123 is not a proper compatible strong for this RTC. The part
name is only pcf2123 and is less confusing.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt | 4 ++--
 drivers/rtc/rtc-pcf2123.c                              | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
index 1994f601800a..7371f525a687 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
+++ b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
@@ -1,7 +1,7 @@
 NXP PCF2123 SPI Real Time Clock
 
 Required properties:
-- compatible: should be: "nxp,rtc-pcf2123"
+- compatible: should be: "nxp,pcf2123"
                       or "microcrystal,rv2123"
 - reg: should be the SPI slave chipselect address
 
@@ -11,7 +11,7 @@ Optional properties:
 Example:
 
 pcf2123: rtc@3 {
-	compatible = "nxp,rtc-pcf2123"
+	compatible = "nxp,pcf2123"
 	reg = <3>
 	spi-cs-high;
 };
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index f31feffed2d2..2ac016cb2af6 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -453,8 +453,10 @@ static int pcf2123_probe(struct spi_device *spi)
 
 #ifdef CONFIG_OF
 static const struct of_device_id pcf2123_dt_ids[] = {
-	{ .compatible = "nxp,rtc-pcf2123", },
+	{ .compatible = "nxp,pcf2123", },
 	{ .compatible = "microcrystal,rv2123", },
+	/* Deprecated, do not use */
+	{ .compatible = "nxp,rtc-pcf2123", },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, pcf2123_dt_ids);
-- 
2.21.0