soc: rockchip: support rk3368 pm config

Change-Id: I69e823d397a411c1b1395563870fca6485dfb936
Signed-off-by: XiaoDong Huang <derrick.huang@rock-chips.com>

Documentation/devicetree/bindings/soc/rockchip/rockchip-pm-config.txt

@@ -1,7 +1,9 @@
 * the suspend mode config
 
-- compatible: "rockchip,pm-config"
-  Compatibility with rk3399
+Required properties:
+- compatible: Should be one of the following.
+- "rockchip,pm-rk3368" - for RK3368 SoCs.
+- "rockchip,pm-rk3399" - for RK3399 SoCs.
 
 - rockchip,sleep-mode-config : the sleep mode config,
   ARMOFF, OSC disabled ...
@@ -12,6 +14,21 @@
 - rockchip,pwm-regulator-config: the pwm regulator name.
 
 Example:
+	rockchip_suspend: rockchip-suspend {
+		compatible = "rockchip,pm-rk3368";
+		status = "disabled";
+		rockchip,sleep-mode-config = <
+			(0
+			| RKPM_SLP_ARMOFF_LOGPD
+			| RKPM_SLP_PMU_PLLS_PWRDN
+			| RKPM_SLP_PMU_PMUALIVE_32K
+			| RKPM_SLP_SFT_PLLS_DEEP
+			| RKPM_SLP_PMU_DIS_OSC
+			| RKPM_SLP_SFT_PD_NBSCUS
+			)
+		>;
+	};
+
 	rockchip_suspend: rockchip_suspend {
 		compatible = "rockchip,pm-rk3399";
 		status = "okay";
@@ -36,4 +53,4 @@ Example:
 			PWM2_REGULATOR_EN
 			)
 		>;
-	};
+	};

drivers/soc/rockchip/rockchip_pm_config.c

@@ -21,6 +21,7 @@
 #define PM_INVALID_GPIO	0xffff
 
 static const struct of_device_id pm_match_table[] = {
+	{ .compatible = "rockchip,pm-rk3368",},
 	{ .compatible = "rockchip,pm-rk3399",},
 	{ },
 };