From: zhangqing@rock-chips.com (Elaine Zhang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 5/6] dt/bindings: rockchip: modify document of Rockchip power domains
Date: Thu, 10 Mar 2016 05:02:37 +0800 [thread overview]
Message-ID: <1457557357-21423-1-git-send-email-zhangqing@rock-chips.com> (raw)
In-Reply-To: <1457557241-21297-1-git-send-email-zhangqing@rock-chips.com>
Add binding documentation for the power domains
found on Rockchip RK3399 SoCs
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
---
.../bindings/soc/rockchip/power_domain.txt | 37 ++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
index 13dc6a3..98085c8 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
@@ -7,6 +7,7 @@ Required properties for power domain controller:
- compatible: Should be one of the following.
"rockchip,rk3288-power-controller" - for RK3288 SoCs.
"rockchip,rk3368-power-controller" - for RK3368 SoCs.
+ "rockchip,rk3399-power-controller" - for RK3399 SoCs.
- #power-domain-cells: Number of cells in a power-domain specifier.
Should be 1 for multiple PM domains.
- #address-cells: Should be 1.
@@ -16,6 +17,7 @@ Required properties for power domain sub nodes:
- reg: index of the power domain, should use macros in:
"include/dt-bindings/power/rk3288-power.h" - for RK3288 type power domain.
"include/dt-bindings/power/rk3368-power.h" - for RK3368 type power domain.
+ "include/dt-bindings/power/rk3399-power.h" - for RK3399 type power domain.
- clocks (optional): phandles to clocks which need to be enabled while power domain
switches state.
@@ -45,12 +47,41 @@ Example:
};
};
+Example 2:
+ power: power-controller {
+ compatible = "rockchip,rk3399-power-controller";
+ #power-domain-cells = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pd_vio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <RK3399_PD_VIO>;
+
+ pd_vo {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <RK3399_PD_VO>;
+
+ pd_vopb {
+ reg = <RK3399_PD_VOPB>;
+ };
+
+ pd_vopl {
+ reg = <RK3399_PD_VOPL>;
+ };
+ };
+ };
+ };
+
Node of a device using power domains must have a power-domains property,
containing a phandle to the power device node and an index specifying which
power domain to use.
The index should use macros in:
"include/dt-bindings/power/rk3288-power.h" - for rk3288 type power domain.
"include/dt-bindings/power/rk3368-power.h" - for rk3368 type power domain.
+ "include/dt-bindings/power/rk3399-power.h" - for rk3399 type power domain.
Example of the node using power domain:
@@ -65,3 +96,9 @@ Example of the node using power domain:
power-domains = <&power RK3368_PD_GPU_1>;
/* ... */
};
+
+ node {
+ /* ... */
+ power-domains = <&power RK3399_PD_VOPB>;
+ /* ... */
+ };
--
1.9.1
next prev parent reply other threads:[~2016-03-09 21:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-09 21:00 [PATCH v6 0/6] rockchip: power-domain: fix pm domain for support RK3399 SoC Elaine Zhang
2016-03-09 21:00 ` [PATCH v6 1/6] rockchip: power-domain: make idle handling optional Elaine Zhang
2016-03-09 21:00 ` [PATCH v6 2/6] power-domain: allow domains only handling idle requests Elaine Zhang
2016-03-09 21:00 ` [PATCH v6 3/6] rockchip: power-domain: add support for sub-power domains Elaine Zhang
2016-03-09 21:00 ` [PATCH v6 4/6] dt/bindings: power: add RK3399 SoCs header for power-domain Elaine Zhang
2016-03-09 21:02 ` Elaine Zhang [this message]
2016-03-09 21:03 ` [PATCH v6 6/6] rockchip: power-domain: Modify power domain driver for rk3399 Elaine Zhang
-- strict thread matches above, loose matches on Subject: below --
2016-03-09 21:22 [RESEND PATCH v6 0/6] rockchip: power-domain: fix pm domain for support RK3399 SoC Elaine Zhang
2016-03-09 21:24 ` [PATCH v6 5/6] dt/bindings: rockchip: modify document of Rockchip power domains Elaine Zhang
2016-03-12 20:22 ` Heiko Stübner
2016-03-28 11:18 ` Heiko Stübner
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