Commit 085d610c authored by Andy Yan's avatar Andy Yan Committed by Heiko Stuebner
Browse files

dt-bindings: Add doc about rk3308 General Register Files 



RK3308 GRF is divided into four sections: GRF, SGRF,
DETECTGRF, COREGRF. This patch add documentation for
it.

Signed-off-by: default avatarAndy Yan <andy.yan@rock-chips.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191021084555.28356-1-andy.yan@rock-chips.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent d083ce42

Documentation/devicetree/bindings/soc/rockchip/grf.txt

+11 −0
Original line number Diff line number Diff line
@@ -10,6 +10,12 @@ From RK3368 SoCs, the GRF is divided into two sections, 


On RK3328 SoCs, the GRF adds a section for USB2PHYGRF,



ON RK3308 SoC, the GRF is divided into four sections:

- GRF, used for general non-secure system,

- SGRF, used for general secure system,

- DETECTGRF, used for audio codec system,

- COREGRF, used for pvtm,



Required Properties:



- compatible: GRF should be one of the following:
@@ -19,10 +25,15 @@ Required Properties: 
   - "rockchip,rk3188-grf", "syscon": for rk3188

   - "rockchip,rk3228-grf", "syscon": for rk3228

   - "rockchip,rk3288-grf", "syscon": for rk3288

   - "rockchip,rk3308-grf", "syscon": for rk3308

   - "rockchip,rk3328-grf", "syscon": for rk3328

   - "rockchip,rk3368-grf", "syscon": for rk3368

   - "rockchip,rk3399-grf", "syscon": for rk3399

   - "rockchip,rv1108-grf", "syscon": for rv1108

- compatible: DETECTGRF should be one of the following:

   - "rockchip,rk3308-detect-grf", "syscon": for rk3308

- compatilbe: COREGRF should be one of the following:

   - "rockchip,rk3308-core-grf", "syscon": for rk3308

- compatible: PMUGRF should be one of the following:

   - "rockchip,px30-pmugrf", "syscon": for px30

   - "rockchip,rk3368-pmugrf", "syscon": for rk3368

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