From mboxrd@z Thu Jan 1 00:00:00 1970 From: hl@rock-chips.com (Lin Huang) Date: Sat, 3 Sep 2016 05:08:19 +0800 Subject: [PATCH 1/5] Documentation: bindings: add dt documentation for dfi controller In-Reply-To: <1472850503-25232-1-git-send-email-hl@rock-chips.com> References: <1472850503-25232-1-git-send-email-hl@rock-chips.com> Message-ID: <1472850503-25232-2-git-send-email-hl@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds the documentation for rockchip dfi devfreq-event driver. Signed-off-by: Lin Huang --- Changes in v8: - delete a unuse blank line Changes in v7: - None Changes in v6: - None Changes in v5: - None Changes in v4: - None Changes in v3: - None Changes in v2: - None Changes in v1: - None .../bindings/devfreq/event/rockchip-dfi.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt new file mode 100644 index 0000000..d66aca6 --- /dev/null +++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt @@ -0,0 +1,19 @@ + +* Rockchip rk3399 DFI device + +Required properties: +- compatible: Must be "rockchip,rk3399-dfi". +- reg: physical base address of each DFI and length of memory mapped region +- rockchip,pmu: phandle to the syscon managing the "pmu general register files" +- clocks: phandles for clock specified in "clock-names" property +- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon"; + +Example: + dfi: dfi at 0xff630000 { + reg = <0x00 0xff630000 0x00 0x4000>; + compatible = "rockchip,rk3399-dfi"; + rockchip,pmu = <&pmugrf>; + clocks = <&cru PCLK_DDR_MON>; + clock-names = "pclk_ddr_mon"; + status = "disabled"; + }; -- 2.6.6