From d3ebd68d4d9edfbf169976edbd286436a9fc8ca8 Mon Sep 17 00:00:00 2001 From: Andrei Pistirica Date: Thu, 14 Jan 2016 02:15:44 +0100 Subject: [PATCH] dt/bindings: mmc: Add bindings for PIC32 SDHCI host controller Document the devicetree bindings for the SDHCI peripheral found on Microchip PIC32 class devices. Signed-off-by: Andrei Pistirica Signed-off-by: Joshua Henderson Cc: Ralf Baechle Acked-by: Rob Herring Signed-off-by: Ulf Hansson Acked-by: Adrian Hunter --- .../bindings/mmc/microchip,sdhci-pic32.txt | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt diff --git a/Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt b/Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt new file mode 100644 index 000000000000..71ad57e050b1 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt @@ -0,0 +1,29 @@ +* Microchip PIC32 SDHCI Controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci-pic32 driver. + +Required properties: +- compatible: Should be "microchip,pic32mzda-sdhci" +- interrupts: Should contain interrupt +- clock-names: Should be "base_clk", "sys_clk". + See: Documentation/devicetree/bindings/resource-names.txt +- clocks: Phandle to the clock. + See: Documentation/devicetree/bindings/clock/clock-bindings.txt +- pinctrl-names: A pinctrl state names "default" must be defined. +- pinctrl-0: Phandle referencing pin configuration of the SDHCI controller. + See: Documentation/devicetree/bindings/pinctrl/pinctrl-binding.txt + +Example: + + sdhci@1f8ec000 { + compatible = "microchip,pic32mzda-sdhci"; + reg = <0x1f8ec000 0x100>; + interrupts = <191 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&REFCLKO4>, <&PBCLK5>; + clock-names = "base_clk", "sys_clk"; + bus-width = <4>; + cap-sd-highspeed; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdhc1>; + }; -- 2.20.1