Messages in this thread Patch in this message | | | From | Chris Zhong <> | Subject | [PATCH v9 3/4] ARM: dts: add RK3288 suspend support | Date | Tue, 25 Nov 2014 15:32:22 +0800 |
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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@rock-chips.com> Signed-off-by: Chris Zhong <zyw@rock-chips.com> Reviewed-by: Doug Anderson <dianders@chromium.org> Tested-by: Doug Anderson <dianders@chromium.org>
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Changes in v9: None Changes in v8: None Changes in v7: None 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 d83ca93..c11b44c 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -481,6 +481,11 @@ }; }; + sram@ff720000 { + compatible = "rockchip,rk3288-pmu-sram", "mmio-sram"; + reg = <0xff720000 0x1000>; + }; + pmu: power-management@ff730000 { compatible = "rockchip,rk3288-pmu", "syscon"; reg = <0xff730000 0x100>; @@ -704,6 +709,12 @@ 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>, -- 1.9.1
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