From mboxrd@z Thu Jan 1 00:00:00 1970 From: geert+renesas@linux-m68k.org (Geert Uytterhoeven) Date: Tue, 24 Dec 2013 12:56:48 +0100 Subject: [PATCH 4/6] [RFC] Documentation: dt: Add Renesas RSPI/QSPI bindings In-Reply-To: <1387886210-3634-1-git-send-email-geert+renesas@linux-m68k.org> References: <1387886210-3634-1-git-send-email-geert+renesas@linux-m68k.org> Message-ID: <1387886210-3634-5-git-send-email-geert+renesas@linux-m68k.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Geert Uytterhoeven Cc: devicetree at vger.kernel.org --- Documentation/devicetree/bindings/spi/spi-rspi.txt | 27 ++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-rspi.txt diff --git a/Documentation/devicetree/bindings/spi/spi-rspi.txt b/Documentation/devicetree/bindings/spi/spi-rspi.txt new file mode 100644 index 000000000000..06ec17fce4c6 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-rspi.txt @@ -0,0 +1,27 @@ +Device tree configuration for Renesas RSPI/QSPI driver + +Required properties: +- compatible : "renesas,rspi-". "renesas,rspi-rz" as fallback, + or + "renesas,qspi-", "renesas,qspi-rcar" as fallback. +- reg : address start and address range size of device +- interrupts : 3 interrupts for RSPI (SPEI, SPRI, SPTI), + 1 interrupt for QSPI +- num-cs : Number of chip selects +- #address-cells : should be <1> +- #size-cells : should be <0> + +Pinctrl properties might be needed, too. See there. + +Example: + + spi0: spi at e800c800 { + compatible = "renesas,rspi-r7s72100", "renesas,rspi-rz"; + reg = <0xe800c800 0x24>; + interrupts = <0 238 IRQ_TYPE_LEVEL_HIGH>, + <0 239 IRQ_TYPE_LEVEL_HIGH>, + <0 240 IRQ_TYPE_LEVEL_HIGH>; + num-cs = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; -- 1.7.9.5