[PATCH v5 11/14] dt/bindings: Add bindings for PIC32 SDHCI host controller
From: Joshua Henderson <hidden>
Date: 2016-01-14 01:13:56
Also in:
linux-mips, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Andrei Pistirica <redacted> Document the devicetree bindings for the SDHCI peripheral found on Microchip PIC32 class devices. Signed-off-by: Andrei Pistirica <redacted> Signed-off-by: Joshua Henderson <redacted> Cc: Ralf Baechle <redacted> Acked-by: Rob Herring <robh@kernel.org> --- Changes since v4: None Changes since v3: None Changes since v2: None Changes since v1: - Drop usage of piomode and no-1-8-v DT properties --- .../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 0000000..71ad57e
--- /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>; + };
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1.7.9.5