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: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191021084555.28356-1-andy.yan@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Andy Yan 2019-10-21 16:45:55 +08:00 committed by Heiko Stuebner
parent d083ce4279
commit 085d610c50

View File

@ -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