mfd: rk808: Add RK805 power key support

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/rk808.c

@@ -94,6 +94,19 @@ static struct resource rtc_resources[] = {
 	}
 };
 
+static struct resource rk805_key_resources[] = {
+	{
+		.start  = RK805_IRQ_PWRON_FALL,
+		.end    = RK805_IRQ_PWRON_FALL,
+		.flags  = IORESOURCE_IRQ,
+	},
+	{
+		.start  = RK805_IRQ_PWRON_RISE,
+		.end    = RK805_IRQ_PWRON_RISE,
+		.flags  = IORESOURCE_IRQ,
+	}
+};
+
 static const struct mfd_cell rk805s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
@@ -103,6 +116,10 @@ static const struct mfd_cell rk805s[] = {
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = &rtc_resources[0],
 	},
+	{	.name = "rk805-pwrkey",
+		.num_resources = ARRAY_SIZE(rk805_key_resources),
+		.resources = &rk805_key_resources[0],
+	},
 };
 
 static const struct mfd_cell rk808s[] = {