From mboxrd@z Thu Jan 1 00:00:00 1970 From: seraphin.bonnaffe@st.com (Seraphin Bonnaffe) Date: Tue, 7 Oct 2014 15:22:27 +0200 Subject: [RFC PATCH 1/2] mfd: syscon: Document new DT binding "holes" In-Reply-To: <1412688148-20835-1-git-send-email-seraphin.bonnaffe@st.com> References: <54244655.1090801@st.com> <1412688148-20835-1-git-send-email-seraphin.bonnaffe@st.com> Message-ID: <1412688148-20835-2-git-send-email-seraphin.bonnaffe@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds DT bindings to declare holes in syscon register maps. Signed-off-by: Seraphin Bonnaffe --- Documentation/devicetree/bindings/mfd/syscon.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt index fe8150b..80ab9ca 100644 --- a/Documentation/devicetree/bindings/mfd/syscon.txt +++ b/Documentation/devicetree/bindings/mfd/syscon.txt @@ -13,8 +13,13 @@ Required properties: - compatible: Should contain "syscon". - reg: the register region can be accessed from syscon +Optional properties: +- holes: Register regions that cannot be accessed within reg range. + Each hole is described with its offset address, followed by its size. + Examples: gpr: iomuxc-gpr at 020e0000 { compatible = "fsl,imx6q-iomuxc-gpr", "syscon"; reg = <0x020e0000 0x38>; + holes = <0x000c 0x8 0x020 0x4>; }; -- 1.9.1