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Documentation: devicetree: rockchip-io-domain add rk3568 support

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RK3568 has 3 pmu io-domain, pmuio0/1/2, but the pmuio0 is 1.8v only, and
pmuio1 is 3.3v only, only pmuio2 support to select 1.8v or 3.3v.

RK3568 also has 7 io-domain, vccio1/2/3/4/5/6/7, but the vccio2
defaultly selected by the FLASH_VOL_SEL(GPIO0_A7).

Change-Id: I55ea1263c641112705b1443ff919c508cb3be2f0
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
This commit is contained in:
Jianqun Xu
2021-06-02 14:17:06 +08:00
committed by Tao Huang
parent 275b0b1950
commit fd1e62d491
1 changed files with 13 additions and 1 deletions
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14
Documentation/devicetree/bindings/power/rockchip-io-domain.txt
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@@ -42,6 +42,7 @@ Required properties:
- "rockchip,rk3368-pmu-io-voltage-domain" for rk3368 pmu-domains
- "rockchip,rk3399-io-voltage-domain" for rk3399
- "rockchip,rk3399-pmu-io-voltage-domain" for rk3399 pmu-domains
- "rockchip,rk3568-pmu-io-voltage-domain" for rk3568 pmu-domains
- "rockchip,rv1108-io-voltage-domain" for rv1108
- "rockchip,rv1108-pmu-io-voltage-domain" for rv1108 pmu-domains
- "rockchip,rv1126-pmu-io-voltage-domain" for rv1126 pmu-domains
@@ -114,11 +115,22 @@ Possible supplies for rk3399:
- bt656-supply: The supply connected to APIO2_VDD.
- audio-supply: The supply connected to APIO5_VDD.
- sdmmc-supply: The supply connected to SDMMC0_VDD.
- gpio1830 The supply connected to APIO4_VDD.
- gpio1830-supply: The supply connected to APIO4_VDD.
Possible supplies for rk3399 pmu-domains:
- pmu1830-supply:The supply connected to PMUIO2_VDD.
Possible supplies for rk3568 pmu-domains:
- vccio1-supply:The supply connected to VCCIO1.
- vccio2-supply:The supply connected to VCCIO2, can be reserved since ignored by driver.
- vccio3-supply:The supply connected to VCCIO3.
- vccio4-supply:The supply connected to VCCIO4.
- vccio5-supply:The supply connected to VCCIO5.
- vccio6-supply:The supply connected to VCCIO6.
- vccio7-supply:The supply connected to VCCIO7.
- pmuio1-supply:The supply connected to PMUIO1, 3.3v only can be reserved
- pmuio2-supply:The supply connected to PMUIO2.
Possible supplies for rv1126 pmu-domains:
- vccio1-supply:The supply connected to VCCIO1_VDD.
- vccio2-supply:The supply connected to VCCIO2_VDD.