add pmu sram node for suspend, add global_pwroff pinctrl.
The pmu sram is used to store the resume code.
global_pwroff is held low level at work, it would be pull to high
when entering suspend. reference this in the board DTS file since
some boards need it.
Signed-off-by: Tony Xie <xxx@xxxxxxxxxxxxxx>
Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>
Reviewed-by: Doug Anderson <dianders@xxxxxxxxxxxx>
Tested-by: Doug Anderson <dianders@xxxxxxxxxxxx>
---
Changes in v6:
- change pmu_intmem@ff720000 to sram@ff720000
Changes in v5:
- change size to 4k
Changes in v4: None
Changes in v3: None
Changes in v2:
- put "rockchip,rk3288-pmu-sram" to first
arch/arm/boot/dts/rk3288.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 874e66d..248c349 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -439,6 +439,11 @@
status = "disabled";
};
+ sram@ff720000 {
+ compatible = "rockchip,rk3288-pmu-sram", "mmio-sram";
+ reg = <0xff720000 0x1000>;
+ };
+
pmu: power-management@ff730000 {
compatible = "rockchip,rk3288-pmu", "syscon";
reg = <0xff730000 0x100>;
@@ -634,6 +639,12 @@
bias-disable;
};
+ sleep {
+ global_pwroff: global-pwroff {
+ rockchip,pins = <0 0 RK_FUNC_1 &pcfg_pull_none>;
+ };
+ };
+
i2c0 {
i2c0_xfer: i2c0-xfer {
rockchip,pins = <0 15 RK_FUNC_1 &pcfg_pull_none>,
--
1.7.9.5
--
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