From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Wu Subject: [PATCH v9 6/8] dt-bindings: i2c: rk3x: add support for rk3399 Date: Thu, 12 May 2016 15:57:59 +0800 Message-ID: <1463039879-8318-1-git-send-email-david.wu@rock-chips.com> References: <1463039586-8134-1-git-send-email-david.wu@rock-chips.com> Content-Type: text/plain; charset="utf-8" Return-path: In-Reply-To: <1463039586-8134-1-git-send-email-david.wu@rock-chips.com> Sender: linux-i2c-owner@vger.kernel.org To: heiko@sntech.de, wsa@the-dreams.de Cc: robh+dt@kernel.org, dianders@chromium.org, andy.shevchenko@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, briannorris@google.com, davidriley@google.com, huangtao@rock-chips.com, hl@rock-chips.com, xjq@rock-chips.com, zyw@rock-chips.com, cf@rock-chips.com, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, David Wu List-Id: devicetree@vger.kernel.org The bus clock and function clock are separated at rk3399, and others use one clock as the bus clock and function clock. Signed-off-by: David Wu Reviewed-by: Douglas Anderson Reviewed-by: Heiko Stuebner --- Change in v9: - remove unnecessary "REQUIRED". Change in v8: - remove error description. Documentation/devicetree/bindings/i2c/i2c-rk3x.txt | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt index 0b4a85f..bbc5a1e 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt @@ -6,10 +6,20 @@ RK3xxx SoCs. Required properties : - reg : Offset and length of the register set for the device - - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c", - "rockchip,rk3228-i2c" or "rockchip,rk3288-i2c". + - compatible: should be one of the following: + - "rockchip,rk3066-i2c": for rk3066 + - "rockchip,rk3188-i2c": for rk3188 + - "rockchip,rk3228-i2c": for rk3228 + - "rockchip,rk3288-i2c": for rk3288 + - "rockchip,rk3399-i2c": for rk3399 - interrupts : interrupt number - - clocks : parent clock + - clocks: See ../clock/clock-bindings.txt + - For older hardware (rk3066, rk3188, rk3228, rk3288): + - There is one clock that's used both to derive the functional clock + for the device and as the bus clock. + - For newer hardware (rk3399): specified by name + - "i2c": This is used to derive the functional clock. + - "pclk": This is the bus clock. Required on RK3066, RK3188 : -- 1.9.1