From 085d610c501638cc8310086ad33920f7fbf78c51 Mon Sep 17 00:00:00 2001 From: Andy Yan Date: Mon, 21 Oct 2019 16:45:55 +0800 Subject: [PATCH] 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 Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20191021084555.28356-1-andy.yan@rock-chips.com Signed-off-by: Heiko Stuebner --- .../devicetree/bindings/soc/rockchip/grf.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.txt b/Documentation/devicetree/bindings/soc/rockchip/grf.txt index d7debec26ba4..61d89749918a 100644 --- a/Documentation/devicetree/bindings/soc/rockchip/grf.txt +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.txt @@ -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