From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v4 04/11] Document: dt: binding: imx: update document for imx7d support Date: Tue, 21 Apr 2015 05:05:26 +0800 Message-ID: <1429563933-3129-5-git-send-email-Frank.Li@freescale.com> References: <1429563933-3129-1-git-send-email-Frank.Li@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1429563933-3129-1-git-send-email-Frank.Li@freescale.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: lznuaa@gmail.com, shawn.guo@linaro.org, linus.walleij@linaro.org, robh+dt@kernel.org Cc: linux-gpio@vger.kernel.org, Frank Li , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Frank Li This part just add necessary change to boot imx7d. Update clock, pinctrl and gpt for imx7d Signed-off-by: Frank Li --- .../devicetree/bindings/clock/imx7d-clock.txt | 13 +++++++++++ .../bindings/pinctrl/fsl,imx-pinctrl.txt | 3 +++ .../bindings/pinctrl/fsl,imx7d-pinctrl.txt | 27 ++++++++++++++++++++++ .../devicetree/bindings/timer/fsl,imxgpt.txt | 3 +++ 4 files changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/imx7d-clock.txt create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt diff --git a/Documentation/devicetree/bindings/clock/imx7d-clock.txt b/Documentation/devicetree/bindings/clock/imx7d-clock.txt new file mode 100644 index 0000000..3db0076 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx7d-clock.txt @@ -0,0 +1,13 @@ +* Clock bindings for Freescale i.MX7 Dual + +Required properties: +- compatible: Should be "fsl,imx7d-ccm" +- reg: Address and length of the register set +- #clock-cells: Should be <1> +- clocks: list of clock specifiers, must contain an entry for each required + entry in clock-names +- clock-names: should include entries "ckil", "osc", "ipp_di0" and "ipp_di1" + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx7d-clock.h +for the full list of i.MX7 Dual clock IDs. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt index 9fde25f..c343a90 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt @@ -21,6 +21,9 @@ Required properties for iomux controller: - compatible: "fsl,-iomuxc" Please refer to each fsl,-pinctrl.txt binding doc for supported SoCs. + "fsl,-iomux-lpsr". Some (imx7d) support one kinds of iomux which +can keep statue when LPSR mode. + Required properties for pin configuration node: - fsl,pins: each entry consists of 6 integers and represents the mux and config setting for one pin. The first 5 integers are specified using a PIN_FUNC_ID macro, which can be found in + imx6sx-pinfunc.h under device tree source folder. The last integer CONFIG is + the pad setting value like pull-up on this pin. Please refer to i.MX7 Dual + Reference Manual for detailed CONFIG settings. + +CONFIG bits definition: +PAD_CTL_PUS_100K_DOWN (0 << 5) +PAD_CTL_PUS_5K_UP (1 << 5) +PAD_CTL_PUS_47K_UP (2 << 5) +PAD_CTL_PUS_100K_UP (3 << 5) +PAD_CTL_PUE (1 << 4) +PAD_CTL_HYS (1 << 3) +PAD_CTL_SRE_SLOW (1 << 2) +PAD_CTL_SRE_FAST (0 << 2) +PAD_CTL_DSE_X1 (0 << 0) +PAD_CTL_DSE_X2 (1 << 0) +PAD_CTL_DSE_X3 (2 << 0) +PAD_CTL_DSE_X4 (3 << 0) diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt index 9809b11..c14843b 100644 --- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt @@ -7,6 +7,9 @@ Required properties: - interrupts : A list of 4 interrupts; one per timer channel. - clocks : The clocks provided by the SoC to drive the timer. +Supported : + imx1,imx27,imx51,imx53,imx6q,imx6dl,imx6sl,imx6sx,imx7d. + Example: gpt1: timer@10003000 { -- 1.9.1