From mboxrd@z Thu Jan 1 00:00:00 1970 From: ping.bai@nxp.com (Bai Ping) Date: Mon, 19 Mar 2018 15:16:38 +0800 Subject: [PATCH v6 1/2] dt-bindings: imx: update pinctrl doc for imx6sll Message-ID: <1521443799-31792-1-git-send-email-ping.bai@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add pinctrl binding doc update for imx6sll. Signed-off-by: Bai Ping Acked-by: Shawn Guo Acked-by: Dong Aisheng --- changes v2-v3: - add generic config binding change v3->v4: - add SION bit define - fix typo - move the pin header file to dts patch. change v4->v5: - drop generic config, use the old fsl pin config style change v5->v6: - no change --- .../bindings/pinctrl/fsl,imx6sll-pinctrl.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt new file mode 100644 index 0000000..175e893 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt @@ -0,0 +1,40 @@ +* Freescale i.MX6 SLL IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part +and usage. + +Required properties: +- compatible: "fsl,imx6sll-iomuxc" +- 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 + imx6sll-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.MX6SLL + Reference Manual for detailed CONFIG settings. + +CONFIG bits definition: +PAD_CTL_LVE (1 << 22) +PAD_CTL_HYS (1 << 16) +PAD_CTL_PUS_100K_DOWN (0 << 14) +PAD_CTL_PUS_47K_UP (1 << 14) +PAD_CTL_PUS_100K_UP (2 << 14) +PAD_CTL_PUS_22K_UP (3 << 14) +PAD_CTL_PUE (1 << 13) +PAD_CTL_PKE (1 << 12) +PAD_CTL_ODE (1 << 11) +PAD_CTL_SPEED_LOW (0 << 6) +PAD_CTL_SPEED_MED (1 << 6) +PAD_CTL_SPEED_HIGH (3 << 6) +PAD_CTL_DSE_DISABLE (0 << 3) +PAD_CTL_DSE_260ohm (1 << 3) +PAD_CTL_DSE_130ohm (2 << 3) +PAD_CTL_DSE_87ohm (3 << 3) +PAD_CTL_DSE_65ohm (4 << 3) +PAD_CTL_DSE_52ohm (5 << 3) +PAD_CTL_DSE_43ohm (6 << 3) +PAD_CTL_DSE_37ohm (7 << 3) +PAD_CTL_SRE_FAST (1 << 0) +PAD_CTL_SRE_SLOW (0 << 0) + +Refer to imx6sll-pinfunc.h in device tree source folder for all available +imx6sll PIN_FUNC_ID. -- 1.9.1