[PATCH 1/4] arm: pxa3xx: cm-x300: fix V3020 RTC functionality
From: Igor Grinberg <hidden>
Date: 2011-05-09 11:41:46
Subsystem:
arm port, pxa2xx/pxa3xx support, the rest · Maintainers:
Russell King, Daniel Mack, Haojian Zhuang, Robert Jarzmik, Linus Torvalds
While in sleep mode the CS# and other V3020 RTC GPIOs must be driven high, otherwise V3020 RTC fails to keep the right time in sleep mode. Signed-off-by: Igor Grinberg <redacted> Cc: stable at kernel.org --- arch/arm/mach-pxa/cm-x300.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index b2248e7..8a03487 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c@@ -161,10 +161,10 @@ static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = { GPIO99_GPIO, /* Ethernet IRQ */ /* RTC GPIOs */ - GPIO95_GPIO, /* RTC CS */ - GPIO96_GPIO, /* RTC WR */ - GPIO97_GPIO, /* RTC RD */ - GPIO98_GPIO, /* RTC IO */ + GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */ + GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */ + GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */ + GPIO98_GPIO, /* RTC IO */ /* Standard I2C */ GPIO21_I2C_SCL,
--
1.7.3.4