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[209.132.180.67]) by mx.google.com with ESMTP id di6si26817132pad.172.2016.01.12.04.47.42; Tue, 12 Jan 2016 04:47:43 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dkim=pass header.i=@linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934616AbcALMrg (ORCPT + 29 others); Tue, 12 Jan 2016 07:47:36 -0500 Received: from mail-wm0-f51.google.com ([74.125.82.51]:37210 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933644AbcALMrd (ORCPT ); Tue, 12 Jan 2016 07:47:33 -0500 Received: by mail-wm0-f51.google.com with SMTP id f206so318352589wmf.0 for ; Tue, 12 Jan 2016 04:47:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=FeyMGJ21mQFDMX+kEYdbZhFISvNJLQ3asOhqJr9T8Dk=; b=QvbPxd7sdHv8MNXRrIeHVdjYNAiLIZ7jycEQ0gJBH9rVcwUC4uTMDqQALPzZo2eUuQ aCUzdsRFEMkc8SsiPTsbobiFLthHssp78Wpa319Qd2pqADXKMMR8nQIm0KkRrry/DMzg Tmmpm4Gd1wHBtpPMxiF4jbjV1AztRttMFSx/8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=FeyMGJ21mQFDMX+kEYdbZhFISvNJLQ3asOhqJr9T8Dk=; b=A6JRZUZwJAvm9yvDkxkW9ZMZVGIYOk5pDLdY9AGEUXWH1zy1W9n1yxkjsnK7mCyfXT TTPO8JRcGAt+eeldreMZPnG1T11fKiDqTyjkLt+ws++SeI+0fTZzvY/ukmCqIWLJ0myB fLO2iihph8QXrvjlCghGoTuOjsfCLpPcW0YD2rvDMvYhMsAxhCXWnUJwod9qPjifeh9+ 8tjl1orhX0fgxSUJ8LyNHwPoxVG2pBPmSiYDOvTZ83uALwZwRlyeDfnPhgFjm7V+hvAV bRU1G/94gLLgKpH1Ud0nZ3wXHIf4H4nEqTd9K3OFmpjpyryDKMr5cOwHEe6obkqUexfi 3XLg== X-Gm-Message-State: ALoCoQnkCxr5KN+CT30AQQi3kyC3CBzGrLbMzX8ARo2lzmX7J56himeSaRgxfASnSu78sas/gSCv3WAdA5WFLnJUGbpHAA6FBg== X-Received: by 10.194.82.36 with SMTP id f4mr38843930wjy.87.1452602852516; Tue, 12 Jan 2016 04:47:32 -0800 (PST) Received: from localhost.localdomain ([217.46.108.250]) by smtp.gmail.com with ESMTPSA id uo9sm30240142wjc.49.2016.01.12.04.47.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 12 Jan 2016 04:47:31 -0800 (PST) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@stlinux.com, maxime.coquelin@st.com, ohad@wizery.com, devicetree@vger.kernel.org, Nathan_Lynch@mentor.com, f.fainelli@gmail.com, ludovic.barre@st.com, s-anna@ti.com, Lee Jones Subject: [PATCH v5 2/7] remoteproc: dt: Provide bindings for ST's Remote Processor Controller driver Date: Tue, 12 Jan 2016 12:46:16 +0000 Message-Id: <1452602781-22424-3-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> References: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Ludovic Barre Signed-off-by: Lee Jones --- .../devicetree/bindings/remoteproc/st-rproc.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/st-rproc.txt -- 1.9.1 diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt new file mode 100644 index 0000000..1031bcd --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt @@ -0,0 +1,41 @@ +STMicroelectronics Co-Processor Bindings +---------------------------------------- + +This binding provides support for adjunct processors found on ST SoCs. + +Co-processors can be controlled from the bootloader or the primary OS. If +the bootloader starts a co-processor, the primary OS must detect its state +and act accordingly. + +Required properties: +- compatible Should be one of: + "st,st231-rproc" + "st,st40-rproc" +- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) +- resets Reset lines (See: ../reset/reset.txt) +- reset-names Must be "sw_reset" and "pwr_reset" +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) +- clock-frequency Clock frequency to set co-processor at if the bootloader + hasn't already done so +- st,syscfg System configuration register which holds the boot vector + for the co-processor + 1st cell: Phandle to syscon block + 2nd cell: Boot vector register offset + +Example: + + audio_reserved: rproc@42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + st231-audio { + compatible = "st,st231-rproc"; + memory-region = <&audio_reserved>; + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; + reset-names = "sw_reset"; + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; + clock-frequency = <600000000>; + st,syscfg = <&syscfg_core 0x228>; + };