43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
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diff --git a/arch/arm/mach-bcm2708/bcm2708.c b/arch/arm/mach-bcm2708/bcm2708.c
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index 7fe7283..a8e31e7 100644
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--- arch/arm/mach-bcm2708/bcm2708.c
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+++ arch/arm/mach-bcm2708/bcm2708.c
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@@ -689,6 +689,21 @@ static void bcm2708_power_off(void)
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bcm2708_restart(0, "");
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}
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+#ifdef CONFIG_RTC_DRV_PCF8523
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+static struct i2c_board_info offboard_i2c_devices[] = {
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+ {
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+ /* Raspy Juice real-time clock chip */
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+ I2C_BOARD_INFO("pcf8523", 0x68),
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+ },
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+};
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+
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+#if defined(CONFIG_RTC_HCTOSYS) && \
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+ (!defined(CONFIG_I2C_CHARDEV) || \
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+ !defined(CONFIG_I2C_BCM2708))
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+#error "RTC_DRV_PCF8523 defined as kernel built-in, but I2C_CHARDEV and I2C_BMC2708 isn't: RTC_HCTOSYS will not work."
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+#endif
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+#endif
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+
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void __init bcm2708_init(void)
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{
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int i;
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@@ -752,6 +767,15 @@ void __init bcm2708_init(void)
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spi_register_board_info(bcm2708_spi_devices,
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ARRAY_SIZE(bcm2708_spi_devices));
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#endif
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+
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+#ifdef CONFIG_RTC_DRV_PCF8523
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+ i = 0;
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+ /* test of Raspberry Pi Rev.2, where GPIO-header I2C busnum=1 */
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+ if (system_rev >= 15)
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+ i = 1;
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+ i2c_register_board_info(i, offboard_i2c_devices,
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+ ARRAY_SIZE(offboard_i2c_devices));
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+#endif
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}
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#define TIMER_PERIOD DIV_ROUND_CLOSEST(STC_FREQ_HZ, HZ)
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