This patch adds documentation for Device-Tree bindings for the Crypto Engine cryptographic accelerator driver.
Signed-off-by: Corentin Labbe <[email protected]> --- .../devicetree/bindings/crypto/sun8i-ce.txt | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/sun8i-ce.txt diff --git a/Documentation/devicetree/bindings/crypto/sun8i-ce.txt b/Documentation/devicetree/bindings/crypto/sun8i-ce.txt new file mode 100644 index 000000000000..4b38cd09a0bf --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/sun8i-ce.txt @@ -0,0 +1,47 @@ +* Allwinner Crypto Engine / Security System found on A80/A83T/H3/A64/H5/R40 SoC + +Required properties: +- compatible : Should be one of + "allwinner,sun8i-a83t-crypto" + "allwinner,sun8i-h3-crypto" + "allwinner,sun8i-r40-crypto" + "allwinner,sun50i-a64-crypto" + "allwinner,sun50i-h5-crypto" + "allwinner,sun50i-h6-crypto" +- reg: Should contain the CE register location and length. +- interrupts: Should contain the IRQ line for the device. (Non secure IRQ if + both secure/non-secure exist) +- clocks : List of clock specifiers, corresponding to AHB and CE/SS. +- clock-names : Name of the functional clock, should be + * "ahb" : AHB gating clock + * "mod" : CE/SS controller clock + +Additional required properties for allwinner,sun50i-h6-crypto: +- clocks : List of MBUS clock specifiers +- clock-names : Name of the functional clock, should be + * "mbus" : MBUS gating clock + +Optional properties: + - resets : phandle + reset specifier pair + - reset-names : must contain "ahb" + +Examples: + crypto: crypto@1c15000 { + compatible = "allwinner,sun8i-h3-crypto"; + reg = <0x01c15000 0x1000>; + interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; + resets = <&ccu RST_BUS_CE>; + reset-names = "ahb"; + clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>; + clock-names = "ahb", "mod"; + }; + + crypto: crypto@1904000 { + compatible = "allwinner,sun50i-h6-crypto"; + reg = <0x01904000 0x1000>; + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>, <&ccu CLK_MBUS_CE>; + clock-names = "ahb", "mod", "mbus"; + resets = <&ccu RST_BUS_CE>; + reset-names = "ahb"; + }; -- 2.19.2 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
