Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755439AbbG1MDh (ORCPT ); Tue, 28 Jul 2015 08:03:37 -0400 Received: from bhuna.collabora.co.uk ([93.93.135.160]:59287 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753903AbbG1MDf (ORCPT ); Tue, 28 Jul 2015 08:03:35 -0400 From: Sjoerd Simons To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Heiko Stuebner , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 1/4] ASoC: dt-bindings: add rockchip tranceiver bindings Date: Tue, 28 Jul 2015 14:03:28 +0200 Message-Id: <1438085011-16577-2-git-send-email-sjoerd.simons@collabora.co.uk> X-Mailer: git-send-email 2.4.6 In-Reply-To: <1438085011-16577-1-git-send-email-sjoerd.simons@collabora.co.uk> References: <1438085011-16577-1-git-send-email-sjoerd.simons@collabora.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2332 Lines: 64 Add devicetree bindings for the spdif tranceiver found on found on rk3066, rk3188 and rk3288 SoCs Signed-off-by: Sjoerd Simons --- .../devicetree/bindings/sound/rockchip-spdif.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip-spdif.txt diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.txt b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt new file mode 100644 index 0000000..2da8a09 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt @@ -0,0 +1,41 @@ +* Rockchip SPDIF transceiver + +The S/PDIF audio block is a stereo transceiver that allows the +processor to receive and transmit digital audio via an coaxial cable or +a fibre cable. + +Required properties: + +- compatible: should be one of the following: + - "rockchip,rk3066-spdif": for rk3066 + - "rockchip,rk3188-spdif", "rockchip,rk3066-spdif": for rk3188 + - "rockchip,rk3288-spdif", "rockchip,rk3066-spdif": for rk3288 +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: should contain the SPDIF interrupt. +- #address-cells: should be 1. +- #size-cells: should be 0. +- dmas: DMA specifiers for tx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: should be "tx" +- clocks: a list of phandle + clock-specifier pairs, one for each entry + in clock-names. +- clock-names: should contain following: + - "spdif_hclk": clock for SPPIF controller + - "spdif_clk" : clock for SPDIF bus + +Example for the rk3188 SPDIF controller: + +spdif: spdif@0x1011e000 { + compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif"; + reg = <0x1011e000 0x2000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + dmas = <&dmac1_s 8>; + dma-names = "tx"; + clock-names = "spdif_hclk", "spdif_clk"; + clocks = <&cru HCLK_SPDIF>, <&cru SCLK_SPDIF>; + status = "disabled"; + #sound-dai-cells = <0>; +}; -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/