From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Armstrong Subject: [PATCH 1/2] dt-bindings: spi-meson: Add SPICC bindings Date: Tue, 23 May 2017 15:39:32 +0200 Message-ID: <1495546773-20479-2-git-send-email-narmstrong@baylibre.com> References: <1495546773-20479-1-git-send-email-narmstrong@baylibre.com> Return-path: In-Reply-To: <1495546773-20479-1-git-send-email-narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Neil Armstrong , linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-amlogic-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org Add the SPICC (SPI Communications Controller) bindings variant. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/spi/spi-meson.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-meson.txt b/Documentation/devicetree/bindings/spi/spi-meson.txt index dc6d031..825c39c 100644 --- a/Documentation/devicetree/bindings/spi/spi-meson.txt +++ b/Documentation/devicetree/bindings/spi/spi-meson.txt @@ -20,3 +20,34 @@ Required properties: #address-cells = <1>; #size-cells = <0>; }; + +* SPICC (SPI Communication Controller) + +The Meson SPICC is generic SPI controller for general purpose Full-Duplex +communications with dedicated 16 words RX/TX PIO FIFOs. + +Required properties: + - compatible: should be "amlogic,meson-gx-spicc" on Amlogic GX SoCs. + - reg: physical base address and length of the controller registers + - interrupts: The interrupt specifier + - clock-names: Must contain "core" + - clocks: phandle of the input clock for the baud rate generator + - #address-cells: should be 1 + - #size-cells: should be 0 + +Optional properties: + - resets: phandle of the internal reset line + +See ../spi/spi-bus.txt for more details on SPI bus master and slave devices +required and optional properties. + +Example : + spi@c1108d80 { + compatible = "amlogic,meson-gx-spicc"; + reg = <0xc1108d80 0x80>; + interrupts = ; + clock-names = "core"; + clocks = <&clk81>; + #address-cells = <1>; + #size-cells = <0>; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html