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mx31pdk: Add MC13783 PMIC support

PATCH New Fabio Estevam 2 participants 2 messages Oct 24, 2011 – Oct 25, 2011

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Fabio Estevam

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#0 lore raw

PATCH 1/1 mx31pdk: Add MC13783 PMIC support

Add MC13783 PMIC support.

Tested by using the 'date' command, which reads the MC13783 RTC registers:

MX31PDK U-Boot > date
Date: 1970-01-01 (Thursday) Time: 2:22:35

Signed-off-by Fabio Estevam <[email protected]>
---
 board/freescale/mx31pdk/mx31pdk.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
board/freescale/mx31pdk/mx31pdk.c +12 -0
index 0e7e0ce..9f8bc53 100644
@@ -30,6 +30,8 @@
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/sys_proto.h>
 #include <watchdog.h>
+#include <pmic.h>
+#include <fsl_pmic.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -79,6 +81,16 @@ int board_init(void)
 
 int board_late_init(void)
 {
+	u32 val;
+	struct pmic *p;
+
+	pmic_init();
+	p = get_pmic();
+
+	/* Enable RTC battery */
+	pmic_reg_read(p, REG_POWER_CTL0, &val);
+	pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
+	pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
 #ifdef CONFIG_HW_WATCHDOG
 	mxc_hw_watchdog_enable();
 #endif
Signature · 1 line
1.6.0.4
#1 lore raw

PATCH 1/1 mx31pdk: Add MC13783 PMIC support

Quoted 32 lines · Fabio Estevam

Add MC13783 PMIC support.

Tested by using the 'date' command, which reads the MC13783 RTC registers:

MX31PDK U-Boot > date
Date: 1970-01-01 (Thursday) Time: 2:22:35

Signed-off-by Fabio Estevam <[email protected]>
---
 board/freescale/mx31pdk/mx31pdk.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
board/freescale/mx31pdk/mx31pdk.c +5 -0
index 0e7e0ce..9f8bc53 100644
@@ -30,6 +30,8 @@
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/sys_proto.h>
 #include <watchdog.h>
+#include <pmic.h>
+#include <fsl_pmic.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -79,6 +81,16 @@ int board_init(void)
 
 int board_late_init(void)
 {
+	u32 val;
+	struct pmic *p;
+

board/freescale/mx31pdk/mx31pdk.c int board_init(void) · line 96

Quoted 10 lines
board/freescale/mx31pdk/mx31pdk.c +7 -0
+	pmic_init();
+	p = get_pmic();
+
+	/* Enable RTC battery */
+	pmic_reg_read(p, REG_POWER_CTL0, &val);
+	pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
+	pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
 #ifdef CONFIG_HW_WATCHDOG
 	mxc_hw_watchdog_enable();
 #endif

Applied to u-boot-imx (fix), thanks.

Best regards,
Stefano Babic

Signature · 5 lines
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