diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/8125-rtc-pcf2127-add-pcf2129-device-id.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/8125-rtc-pcf2127-add-pcf2129-device-id.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/8125-rtc-pcf2127-add-pcf2129-device-id.patch b/target/linux/layerscape/patches-4.4/8125-rtc-pcf2127-add-pcf2129-device-id.patch new file mode 100644 index 0000000..6ece597 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/8125-rtc-pcf2127-add-pcf2129-device-id.patch @@ -0,0 +1,63 @@ +From 228d15f0c525d1d62540539ebb8d311feddb79f5 Mon Sep 17 00:00:00 2001 +From: Akinobu Mita <akinobu.mita@gmail.com> +Date: Mon, 26 Sep 2016 11:26:11 +0800 +Subject: [PATCH 125/141] rtc: pcf2127: add pcf2129 device id + +commit e8bf83a7f9454ed1026f100139ebd10eace0e280 +[context adjustment] + +There are only a few differences between PCF2127 and PCF2129 (PCF2127 +has 512 bytes of general purpose SRAM and count-down timer). + +The rtc-pcf2127 driver currently doesn't use the PCF2127 specific +functionality and Kconfig help text already says this driver supports +PCF2127/29, so we can simply add pcf2129 to device id list. + +Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> +Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> +Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com> +Integrated-by: Zhao Qiang <qiang.zhao@nxp.com> +--- + drivers/rtc/rtc-pcf2127.c | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +--- a/drivers/rtc/rtc-pcf2127.c ++++ b/drivers/rtc/rtc-pcf2127.c +@@ -1,12 +1,12 @@ + /* +- * An I2C driver for the NXP PCF2127 RTC ++ * An I2C and SPI driver for the NXP PCF2127/29 RTC + * Copyright 2013 Til-Technologies + * + * Author: Renaud Cerrato <r.cerrato@til-technologies.fr> + * + * based on the other drivers in this same directory. + * +- * http://www.nxp.com/documents/data_sheet/PCF2127AT.pdf ++ * Datasheet: http://cache.nxp.com/documents/data_sheet/PCF2127.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as +@@ -216,6 +216,7 @@ static int pcf2127_probe(struct i2c_clie + + static const struct i2c_device_id pcf2127_id[] = { + { "pcf2127", 0 }, ++ { "pcf2129", 0 }, + { } + }; + MODULE_DEVICE_TABLE(i2c, pcf2127_id); +@@ -223,6 +224,7 @@ MODULE_DEVICE_TABLE(i2c, pcf2127_id); + #ifdef CONFIG_OF + static const struct of_device_id pcf2127_of_match[] = { + { .compatible = "nxp,pcf2127" }, ++ { .compatible = "nxp,pcf2129" }, + {} + }; + MODULE_DEVICE_TABLE(of, pcf2127_of_match); +@@ -240,5 +242,5 @@ static struct i2c_driver pcf2127_driver + module_i2c_driver(pcf2127_driver); + + MODULE_AUTHOR("Renaud Cerrato <r.cerrato@til-technologies.fr>"); +-MODULE_DESCRIPTION("NXP PCF2127 RTC driver"); ++MODULE_DESCRIPTION("NXP PCF2127/29 RTC driver"); + MODULE_LICENSE("GPL v2"); |