From patchwork Fri Nov 15 16:28:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246725 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E5F78159A for ; Fri, 15 Nov 2019 16:29:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C767220730 for ; Fri, 15 Nov 2019 16:29:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Oy/O4BqG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727599AbfKOQ3T (ORCPT ); Fri, 15 Nov 2019 11:29:19 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:43572 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727555AbfKOQ3T (ORCPT ); Fri, 15 Nov 2019 11:29:19 -0500 Received: by mail-pf1-f196.google.com with SMTP id 3so6910517pfb.10 for ; Fri, 15 Nov 2019 08:29:18 -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=aiDt5t52KW99BwDzbhRa8ElOQ9bHTmHQCFgO82CwQAI=; b=Oy/O4BqGl/cYIaUeSeBVIA1VgGxIh5tfnMB5Dwc+UgTdmMx7bk64U5C+VRdzu/xN95 3EQUhetkGTfikrqkG9rHFqi96AH6DcTeIhL1orxGmc+OXRnALWOr8RncE5relrzlVDOm o9qjzgh/PzuJX4wVCSBe4bHyeDLrXb5ziLfUma/W3NuXJ2oogiYo0m0i55JuNdE8B/3r USdzAfy00rL79N9/btkoxDonDHjFh/KKeQ8zywbDrwRaAPfvMxo7VtBBEUo7arH1ejUk wZsocSxzPXkK0U3FEv0WNjgv0k5kiR3Zx8cwu2b+ZojKAWNcdXQt9bha5j8vZkILVim2 x2qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=aiDt5t52KW99BwDzbhRa8ElOQ9bHTmHQCFgO82CwQAI=; b=NZ/rgG+9vztvzRMFOEK5ok6I0WU216cJgyWhA/buHTi0qQRSHvY3AE/Q8CY9acks8x rUlRhUOmIvmNXhSvgVdmwAyg1XtHMhBQfu/m53f6zBArGh2W7N3Byj4x/M15GRPsrHJL UulA1TagZJgUNKRma4TexuX/g8VuUeW4H8Pst+ZKSRi9xWT2Xv9flBHvRhzZAbmR9mOk EgRoqaku8Sn7HZWhQv1tANpz2LJSXZUs8yM3yCgcUKDuwmttdpd/o2sOgIr/rUNOozWZ q/5Z0yzghCLKv1xgVnFG+upJs2OMJieNPpBLc5TPB4TMdggSZF8J3rWzJhD+f59Vdrt7 cXKA== X-Gm-Message-State: APjAAAWXneR8gR2Vp9qQYVDC9Jo0nTe3bEchqmz1xIjTwep8jTH1rjRB L1TJTCN7nKii7bNLJkqwLBfNgjK3v5Uu X-Google-Smtp-Source: APXvYqwH7MWs5hSnZfDuOau27gTdOifRG82hxWJYo6xozoqDnyQa+H79g7hPxhqMk00goHcrqEY5XA== X-Received: by 2002:aa7:9aea:: with SMTP id y10mr17998100pfp.16.1573835358376; Fri, 15 Nov 2019 08:29:18 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:17 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 1/7] clk: Zero init clk_init_data in helpers Date: Fri, 15 Nov 2019 21:58:55 +0530 Message-Id: <20191115162901.17456-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The clk_init_data struct needs to be initialized to zero for the new parent_map implementation to work correctly. Otherwise, the member which is available first will get processed. Signed-off-by: Manivannan Sadhasivam --- drivers/clk/clk-composite.c | 2 +- drivers/clk/clk-divider.c | 2 +- drivers/clk/clk-fixed-rate.c | 2 +- drivers/clk/clk-gate.c | 2 +- drivers/clk/clk-mux.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c index 4f13a681ddfc..28aaf4a3b28a 100644 --- a/drivers/clk/clk-composite.c +++ b/drivers/clk/clk-composite.c @@ -207,7 +207,7 @@ struct clk_hw *clk_hw_register_composite(struct device *dev, const char *name, unsigned long flags) { struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; struct clk_composite *composite; struct clk_ops *clk_composite_ops; int ret; diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 3f9ff78c4a2a..098b2b01f0af 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -471,7 +471,7 @@ static struct clk_hw *_register_divider(struct device *dev, const char *name, { struct clk_divider *div; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; if (clk_divider_flags & CLK_DIVIDER_HIWORD_MASK) { diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index a7e4aef7a376..2c4486c09040 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -58,7 +58,7 @@ struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, { struct clk_fixed_rate *fixed; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; /* allocate fixed-rate clock */ diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c index 1b99fc962745..670053c58c1a 100644 --- a/drivers/clk/clk-gate.c +++ b/drivers/clk/clk-gate.c @@ -141,7 +141,7 @@ struct clk_hw *clk_hw_register_gate(struct device *dev, const char *name, { struct clk_gate *gate; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; if (clk_gate_flags & CLK_GATE_HIWORD_MASK) { diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index 66e91f740508..570b6e5b603b 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -153,7 +153,7 @@ struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name, { struct clk_mux *mux; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; u8 width = 0; int ret; From patchwork Fri Nov 15 16:28:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246729 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0C39E159A for ; Fri, 15 Nov 2019 16:29:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E1E4E2072D for ; Fri, 15 Nov 2019 16:29:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="o+MCT6FC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727641AbfKOQ3Z (ORCPT ); Fri, 15 Nov 2019 11:29:25 -0500 Received: from mail-pf1-f194.google.com ([209.85.210.194]:45059 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727632AbfKOQ3Z (ORCPT ); Fri, 15 Nov 2019 11:29:25 -0500 Received: by mail-pf1-f194.google.com with SMTP id z4so6899507pfn.12 for ; Fri, 15 Nov 2019 08:29:25 -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=LG1a1A4v+UDy0LaHh34rRqStYpMLpkQr762xn5ClOV4=; b=o+MCT6FCGd+WLPn8gFBDBblgf8rcOhwpFOShXrIAWCth1EDnZQgAh9wIktxAFxqmCE nYspZdlwdqiIT1+w6cDCDV/VEx9cSjYOGuZQ9Lv7MVj7rfwUSmalKKH0OmFltlO4V1dk 0ry7DjJAKKNlD87Ms32P0yyyJKSpcSCbz8u42CMhLWz0GsbAe5107hZbmop17mHFa/em kx+IKHPL4psSWxuyYHURIkLPf0wTS3F95i6q99S21wsceMzDF2oNFVJT6eOpArwnkktg hPendNqL/Yqv2AgbzdS5h+T1Qm3adznCLHo3MC7XtUbswyNlQpzVz1CkhuKXKyhnH4XY XA7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=LG1a1A4v+UDy0LaHh34rRqStYpMLpkQr762xn5ClOV4=; b=B0SvFRG6kCSYoP+k1NBejiigwqev/HhNMur62K8EjXFKYZ+n3sRUlzWQUEntWnmr0R KG5l6kWXgFrT4TZwEnFaqrAwBA9LSr5s227r32o5/y5+Y/vCVOoM0M30S/6ZzYjAMoFG xJxh5+6cTSCUGUR4A4cXdP0IZzjB5V8lSjaea8Krm5si6hFLjDmJWLiDLey9gp4ulGeO 0B2V9yesbFzIQGKGgzS0IrGAlwZiINX0ghWEi0pZMtfZuhgwhk4rdQfSVHiPCphO4hZG 8FUptYfl+NCi1zPQle+YU7OHEWVw7Hu4QDbWiybxp0e9PTkoDlhfUjzQdiPNBVFa9p2+ My3Q== X-Gm-Message-State: APjAAAWokO2WvMBhClxA3uqjVhPrxJchE0sKJswOOS9VixbSKjukxWU2 XdY2nExHEesiqFqDF6rqxDRE X-Google-Smtp-Source: APXvYqys3mhTCTv093AwgzZUQrAVuIZ1cJROMu4m1S5NVk8Gg3X8cU/Dzy9MjpXeeLsMUPLH2WXqwg== X-Received: by 2002:a63:e26:: with SMTP id d38mr17097947pgl.44.1573835364449; Fri, 15 Nov 2019 08:29:24 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:23 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 2/7] clk: Add clk_hw_unregister_composite helper function definition Date: Fri, 15 Nov 2019 21:58:56 +0530 Message-Id: <20191115162901.17456-3-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org This function has been delcared but not defined anywhere. Hence, this commit adds definition for it. Fixes: 49cb392d3639 ("clk: composite: Add hw based registration APIs") Signed-off-by: Manivannan Sadhasivam --- drivers/clk/clk-composite.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c index 28aaf4a3b28a..3e9c3e608769 100644 --- a/drivers/clk/clk-composite.c +++ b/drivers/clk/clk-composite.c @@ -343,3 +343,14 @@ void clk_unregister_composite(struct clk *clk) clk_unregister(clk); kfree(composite); } + +void clk_hw_unregister_composite(struct clk_hw *hw) +{ + struct clk_composite *composite; + + composite = to_clk_composite(hw); + + clk_hw_unregister(hw); + kfree(composite); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister_composite); From patchwork Fri Nov 15 16:28:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246733 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1FF0A13BD for ; Fri, 15 Nov 2019 16:29:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E9A4420740 for ; Fri, 15 Nov 2019 16:29:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="bDwt676Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727552AbfKOQ3e (ORCPT ); Fri, 15 Nov 2019 11:29:34 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:36692 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727690AbfKOQ3d (ORCPT ); Fri, 15 Nov 2019 11:29:33 -0500 Received: by mail-pg1-f193.google.com with SMTP id k13so6248324pgh.3 for ; Fri, 15 Nov 2019 08:29:31 -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=Zgqr5BSa48TxbTYLKMugnan1gSsGxic61qyv50u9LdE=; b=bDwt676ZHNZP4/OhuT46sME9F112AckEbHsVx2sEy47mcfLzQmbjlhL11cuUcDdaeM OiEVSvny1sL90sQ5WiTEfn2etLoNfRPQNv1Y2EB98oPolXEc9Z0/lo1M/Du5SZBFrzSg 6DefqqjTcwNku8DNOMJAoz/zgNAgj5C/U/XuvSRUEF8au2NcCv1SpQ2fuWCSbNLFNTx5 xAsoZSzAIV+HqrUGehN96r1kBlNsffXqGaD5fOs6JgTM2ZAfrlc+3nHLyX0aEd7NOiyL pxN2/U0DzY/jFCgrILutKYiJJky3xQi4Z5jKc990EwebB/EGdzxJSILWp9P5/ZFv5YXN r1rQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Zgqr5BSa48TxbTYLKMugnan1gSsGxic61qyv50u9LdE=; b=RR46P7L+8JCAoD+3XzizryTgEWJUGTENchlum/iYbNHmyPjKbnzCHachzjfufDyQk2 Nn22nzi0zzoTJyMLuqZ+9KTlALyXKRlz4yD6i2FHHYzWOIr9j451MXo4Ct75PMNLq1// oID1qiYcclXp+V/+tr3G8LwLyG0UFhANaF6YToXxYRffqv+saWANnuh9BF0GHWU05/iv 1yXo4p1CJZu17g0obUBphvufcdQtg8S+lZU5rv96tv1ofgRuXH8RZAzCPbWZEmTxlqOj zi3PFS7Bf4I/gPwBU/RAQZZROxDAcYoJjaEs7UF2J//638Cwr7Yq5nBR5BatO/bgqcIE egtQ== X-Gm-Message-State: APjAAAXB2kSvz2DWXxnXDbh96JyG1kn+xqHPdpZ2CYGnknqMHH9dbz4r iqb4WkU2VqVyiyAoiacQC24Q X-Google-Smtp-Source: APXvYqwJum30njADesywZkB8CpZulCq0FtbSJmcjr9wllYN519fKElPQscgm6sU/4O6c76L7FXYGyQ== X-Received: by 2002:a63:715d:: with SMTP id b29mr17081495pgn.369.1573835370908; Fri, 15 Nov 2019 08:29:30 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:30 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 3/7] dt-bindings: clock: Add devicetree binding for BM1880 SoC Date: Fri, 15 Nov 2019 21:58:57 +0530 Message-Id: <20191115162901.17456-4-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add YAML devicetree binding for Bitmain BM1880 SoC. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Rob Herring --- .../bindings/clock/bitmain,bm1880-clk.yaml | 76 +++++++++++++++++ include/dt-bindings/clock/bm1880-clock.h | 82 +++++++++++++++++++ 2 files changed, 158 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/bitmain,bm1880-clk.yaml create mode 100644 include/dt-bindings/clock/bm1880-clock.h diff --git a/Documentation/devicetree/bindings/clock/bitmain,bm1880-clk.yaml b/Documentation/devicetree/bindings/clock/bitmain,bm1880-clk.yaml new file mode 100644 index 000000000000..e63827399c1a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/bitmain,bm1880-clk.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/clock/bitmain,bm1880-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Bitmain BM1880 Clock Controller + +maintainers: + - Manivannan Sadhasivam + +description: | + The Bitmain BM1880 clock controller generates and supplies clock to + various peripherals within the SoC. + + This binding uses common clock bindings + [1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +properties: + compatible: + const: bitmain,bm1880-clk + + reg: + items: + - description: pll registers + - description: system registers + + reg-names: + items: + - const: pll + - const: sys + + clocks: + maxItems: 1 + + clock-names: + const: osc + + '#clock-cells': + const: 1 + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - '#clock-cells' + +additionalProperties: false + +examples: + # Clock controller node: + - | + clk: clock-controller@e8 { + compatible = "bitmain,bm1880-clk"; + reg = <0xe8 0x0c>, <0x800 0xb0>; + reg-names = "pll", "sys"; + clocks = <&osc>; + clock-names = "osc"; + #clock-cells = <1>; + }; + + # Example UART controller node that consumes clock generated by the clock controller: + - | + uart0: serial@58018000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x58018000 0x0 0x2000>; + clocks = <&clk 45>, <&clk 46>; + clock-names = "baudclk", "apb_pclk"; + interrupts = <0 9 4>; + reg-shift = <2>; + reg-io-width = <4>; + }; + +... diff --git a/include/dt-bindings/clock/bm1880-clock.h b/include/dt-bindings/clock/bm1880-clock.h new file mode 100644 index 000000000000..b46732361b25 --- /dev/null +++ b/include/dt-bindings/clock/bm1880-clock.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Device Tree binding constants for Bitmain BM1880 SoC + * + * Copyright (c) 2019 Linaro Ltd. + */ + +#ifndef __DT_BINDINGS_CLOCK_BM1880_H +#define __DT_BINDINGS_CLOCK_BM1880_H + +#define BM1880_CLK_OSC 0 +#define BM1880_CLK_MPLL 1 +#define BM1880_CLK_SPLL 2 +#define BM1880_CLK_FPLL 3 +#define BM1880_CLK_DDRPLL 4 +#define BM1880_CLK_A53 5 +#define BM1880_CLK_50M_A53 6 +#define BM1880_CLK_AHB_ROM 7 +#define BM1880_CLK_AXI_SRAM 8 +#define BM1880_CLK_DDR_AXI 9 +#define BM1880_CLK_EFUSE 10 +#define BM1880_CLK_APB_EFUSE 11 +#define BM1880_CLK_AXI5_EMMC 12 +#define BM1880_CLK_EMMC 13 +#define BM1880_CLK_100K_EMMC 14 +#define BM1880_CLK_AXI5_SD 15 +#define BM1880_CLK_SD 16 +#define BM1880_CLK_100K_SD 17 +#define BM1880_CLK_500M_ETH0 18 +#define BM1880_CLK_AXI4_ETH0 19 +#define BM1880_CLK_500M_ETH1 20 +#define BM1880_CLK_AXI4_ETH1 21 +#define BM1880_CLK_AXI1_GDMA 22 +#define BM1880_CLK_APB_GPIO 23 +#define BM1880_CLK_APB_GPIO_INTR 24 +#define BM1880_CLK_GPIO_DB 25 +#define BM1880_CLK_AXI1_MINER 26 +#define BM1880_CLK_AHB_SF 27 +#define BM1880_CLK_SDMA_AXI 28 +#define BM1880_CLK_SDMA_AUD 29 +#define BM1880_CLK_APB_I2C 30 +#define BM1880_CLK_APB_WDT 31 +#define BM1880_CLK_APB_JPEG 32 +#define BM1880_CLK_JPEG_AXI 33 +#define BM1880_CLK_AXI5_NF 34 +#define BM1880_CLK_APB_NF 35 +#define BM1880_CLK_NF 36 +#define BM1880_CLK_APB_PWM 37 +#define BM1880_CLK_DIV_0_RV 38 +#define BM1880_CLK_DIV_1_RV 39 +#define BM1880_CLK_MUX_RV 40 +#define BM1880_CLK_RV 41 +#define BM1880_CLK_APB_SPI 42 +#define BM1880_CLK_TPU_AXI 43 +#define BM1880_CLK_DIV_UART_500M 44 +#define BM1880_CLK_UART_500M 45 +#define BM1880_CLK_APB_UART 46 +#define BM1880_CLK_APB_I2S 47 +#define BM1880_CLK_AXI4_USB 48 +#define BM1880_CLK_APB_USB 49 +#define BM1880_CLK_125M_USB 50 +#define BM1880_CLK_33K_USB 51 +#define BM1880_CLK_DIV_12M_USB 52 +#define BM1880_CLK_12M_USB 53 +#define BM1880_CLK_APB_VIDEO 54 +#define BM1880_CLK_VIDEO_AXI 55 +#define BM1880_CLK_VPP_AXI 56 +#define BM1880_CLK_APB_VPP 57 +#define BM1880_CLK_DIV_0_AXI1 58 +#define BM1880_CLK_DIV_1_AXI1 59 +#define BM1880_CLK_AXI1 60 +#define BM1880_CLK_AXI2 61 +#define BM1880_CLK_AXI3 62 +#define BM1880_CLK_AXI4 63 +#define BM1880_CLK_AXI5 64 +#define BM1880_CLK_DIV_0_AXI6 65 +#define BM1880_CLK_DIV_1_AXI6 66 +#define BM1880_CLK_MUX_AXI6 67 +#define BM1880_CLK_AXI6 68 +#define BM1880_NR_CLKS 69 + +#endif /* __DT_BINDINGS_CLOCK_BM1880_H */ From patchwork Fri Nov 15 16:28:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246737 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2F54313BD for ; Fri, 15 Nov 2019 16:29:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C41520740 for ; Fri, 15 Nov 2019 16:29:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="F+5f07YL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727690AbfKOQ3j (ORCPT ); Fri, 15 Nov 2019 11:29:39 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:39672 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727599AbfKOQ3j (ORCPT ); Fri, 15 Nov 2019 11:29:39 -0500 Received: by mail-pg1-f195.google.com with SMTP id 29so6239832pgm.6 for ; Fri, 15 Nov 2019 08:29:39 -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=Y6Dgg0LHIAz3laO+y1ntUkl0I7eVRTHEz+QlpqCcJzM=; b=F+5f07YLpe5ouKmkTbFGbDdunX/KCt+dKybIeWw2uN5evbh0B2Mr32f1AUvREsXuZd 6E6zV+NRXkT9IOcKo/StVi+ubHWxgRq0aKA1QVvfmhUIjn7Y+UrHouPMWcNfSnZHUBry 1K+Fbtj/qFLphLnaT5CNC89x1uJ8AEPgZQPqzG+xjmlpJUMixmXCXvBJ/XPW0xharZQ5 3e886sJBoYHcRyzfI6WNwY+P3TxKtI0TXSx4SOLGnb2RVr+gK6/g3omS8MYBxe9PlpG9 om+syucI14CmPGDiUayqgNtOMu9H5CYyGtFl7Pbn7WREgCnbNGr3zpJELaucvUmNgs/W 2yTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Y6Dgg0LHIAz3laO+y1ntUkl0I7eVRTHEz+QlpqCcJzM=; b=uMFCr+SkSNmANSSpB9J39ouOmzJ8mLwBlc5nwWVUxis3H1DDrUm0S1P3KDgXX4FZ9Y 7j47Z4msTZnSH3UI/M9LfE7n1aRECQrqDzOUZkNTvSLPQkhSw0qey6PqdAWWCXwnPlgT whkMLxFh2FOv6PqpiSqP8kMDr+9wfpShXheiU9wluf3L+AEXedDpHBIAJwvbKZp6Xcie 7hdO46GUWrlgc33D1WNLKBwF/OGyBdme7l9JjW3F4C04O4WOjWrJCrx44aaPhK0O7h5V aO1zof8u7iRBCmRRpwUc/JQb8EOkkEOJfwigNtJtzu9JDSOtjXfXoqSSWiJZdYYck92i aM1A== X-Gm-Message-State: APjAAAXAoFX8ZMbD/CMZ3sAaYFlOUkDD/XIycf56SNPslpGNIZNK602I 3+KG3krHrgd0mejSlWChJ55M X-Google-Smtp-Source: APXvYqwDZwTI7WAkduLMSH+eqssbv8GB1QaGVtH8A8kWnBO9K2P2qfEHIyrK9Cb+ZIfueyohjNBsxg== X-Received: by 2002:a62:e119:: with SMTP id q25mr18667948pfh.161.1573835378452; Fri, 15 Nov 2019 08:29:38 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:37 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 4/7] arm64: dts: bitmain: Add clock controller support for BM1880 SoC Date: Fri, 15 Nov 2019 21:58:58 +0530 Message-Id: <20191115162901.17456-5-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add clock controller support for Bitmain BM1880 SoC. Signed-off-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/bitmain/bm1880.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi index d65453f99a99..8471662413da 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880.dtsi +++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi @@ -4,6 +4,7 @@ * Author: Manivannan Sadhasivam */ +#include #include #include @@ -66,6 +67,12 @@ ; }; + osc: osc { + compatible = "fixed-clock"; + clock-frequency = <25000000>; + #clock-cells = <0>; + }; + soc { compatible = "simple-bus"; #address-cells = <2>; @@ -94,6 +101,15 @@ reg = <0x400 0x120>; }; + clk: clock-controller@e8 { + compatible = "bitmain,bm1880-clk"; + reg = <0xe8 0x0c>, <0x800 0xb0>; + reg-names = "pll", "sys"; + clocks = <&osc>; + clock-names = "osc"; + #clock-cells = <1>; + }; + rst: reset-controller@c00 { compatible = "bitmain,bm1880-reset"; reg = <0xc00 0x8>; From patchwork Fri Nov 15 16:28:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246741 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B83313BD for ; Fri, 15 Nov 2019 16:29:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16B9B2073A for ; Fri, 15 Nov 2019 16:29:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="DPCw4Yfm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727599AbfKOQ3q (ORCPT ); Fri, 15 Nov 2019 11:29:46 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:34779 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727723AbfKOQ3q (ORCPT ); Fri, 15 Nov 2019 11:29:46 -0500 Received: by mail-pf1-f193.google.com with SMTP id n13so6934644pff.1 for ; Fri, 15 Nov 2019 08:29:45 -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=kgB5pCuOS2QWyyNQUlCeMbbF7mRF+VE6sHHJ2GG7b1c=; b=DPCw4YfmrPfIgUhG16uvQMRN7kf1wj+SQYtjvVHjuxE1Hv1ch62Cfh7kou2hEyYSZ5 7LwEuMMWfyvXrJnPVHsCtm74cUzTzgosSdBhvRe8+sjK3RysoZmkokbUquRgeOJyMe/U b7Z4acrZ0FM89wNyRnkMZboq08n8w3jNSURdrQOgvjWFhGRPULR50s8V4CSLzuWHJNYB hCdmAiHMQiXVfpIf+NXE2eXy3cYlrw+YA/1NM5DIdeU2QDiKhAcvtP79GuuoZtTbzmo4 0KDzEu0t/Mq8jKEvpKBQ/zbqyNRhvwqf0nBYG5d0lwBy8u0qcEMo4T05rrtbrSV9od+W yX1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=kgB5pCuOS2QWyyNQUlCeMbbF7mRF+VE6sHHJ2GG7b1c=; b=r6Ivzmd+Gl7kZ6hf6ZVFEy7RYdy9xz8gNS7nSZ4G0hU03ZkQU4KmZ+MshvQFXa3r9I z1FZClXPTd9oyGnF/AMfXPACX/VXSjXds/fjtM/mxf2NH/Dn2nDExsDTIbaJA2iN2Bj1 jUpRLfvJ0I3IEhJOytIOvvCqYTvki0H6TpCxbPTMyIV00YoduZgr3iueMwYUH+CV8WEd dr0/cw6f8zHXYyxnxjv0RlfrgSF1siLTufJyki7ieBqkyUXGgRGBP97WRj8SSxXvdqiT bZR26EV4/fDdSY/utsux8J72qkGHSyAXsnjZnmM1bkMmxFBSIzBNYfjgeuKnNVN/Qt1A O0Vw== X-Gm-Message-State: APjAAAWDt1zI/H1iwzOiWnu6wipGzg/s9/zuBELkx0KNqlGlDfQdgU6i 3xMF7CIGESlL4roG1GM86nWF X-Google-Smtp-Source: APXvYqwZn6dxcQPBpbgoqwnQ04VH5ZcpzfVAJNhCMjTihlFvznEL0cUiGT1gTcrM2VWqQ4PTe0uYxA== X-Received: by 2002:aa7:959d:: with SMTP id z29mr18009674pfj.208.1573835385291; Fri, 15 Nov 2019 08:29:45 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:44 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 5/7] arm64: dts: bitmain: Source common clock for UART controllers Date: Fri, 15 Nov 2019 21:58:59 +0530 Message-Id: <20191115162901.17456-6-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Remove fixed clock and source common clock for UART controllers. Signed-off-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts | 9 --------- arch/arm64/boot/dts/bitmain/bm1880.dtsi | 12 ++++++++++++ 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts index 3e8c70778e24..7a2c7f9c2660 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts @@ -49,12 +49,6 @@ reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB }; - uart_clk: uart-clk { - compatible = "fixed-clock"; - clock-frequency = <500000000>; - #clock-cells = <0>; - }; - soc { gpio0: gpio@50027000 { porta: gpio-controller@0 { @@ -173,21 +167,18 @@ &uart0 { status = "okay"; - clocks = <&uart_clk>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart0_default>; }; &uart1 { status = "okay"; - clocks = <&uart_clk>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1_default>; }; &uart2 { status = "okay"; - clocks = <&uart_clk>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2_default>; }; diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi index 8471662413da..fa6e6905f588 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880.dtsi +++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi @@ -174,6 +174,9 @@ uart0: serial@58018000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x58018000 0x0 0x2000>; + clocks = <&clk BM1880_CLK_UART_500M>, + <&clk BM1880_CLK_APB_UART>; + clock-names = "baudclk", "apb_pclk"; interrupts = ; reg-shift = <2>; reg-io-width = <4>; @@ -184,6 +187,9 @@ uart1: serial@5801A000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x5801a000 0x0 0x2000>; + clocks = <&clk BM1880_CLK_UART_500M>, + <&clk BM1880_CLK_APB_UART>; + clock-names = "baudclk", "apb_pclk"; interrupts = ; reg-shift = <2>; reg-io-width = <4>; @@ -194,6 +200,9 @@ uart2: serial@5801C000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x5801c000 0x0 0x2000>; + clocks = <&clk BM1880_CLK_UART_500M>, + <&clk BM1880_CLK_APB_UART>; + clock-names = "baudclk", "apb_pclk"; interrupts = ; reg-shift = <2>; reg-io-width = <4>; @@ -204,6 +213,9 @@ uart3: serial@5801E000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x5801e000 0x0 0x2000>; + clocks = <&clk BM1880_CLK_UART_500M>, + <&clk BM1880_CLK_APB_UART>; + clock-names = "baudclk", "apb_pclk"; interrupts = ; reg-shift = <2>; reg-io-width = <4>; From patchwork Fri Nov 15 16:29:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246743 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 708E1159A for ; Fri, 15 Nov 2019 16:29:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EE0E20748 for ; Fri, 15 Nov 2019 16:29:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="v+S8rvZ6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727767AbfKOQ3y (ORCPT ); Fri, 15 Nov 2019 11:29:54 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:35512 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727761AbfKOQ3y (ORCPT ); Fri, 15 Nov 2019 11:29:54 -0500 Received: by mail-pf1-f193.google.com with SMTP id q13so6923900pff.2 for ; Fri, 15 Nov 2019 08:29:53 -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=xbSe3jQWfOCE5KRVxHOJAlWArC3dSkDhsPfck1iEjyA=; b=v+S8rvZ6ZcRb783ttzBqJxJ7qm2F6JQzWoyTG3akf78qByEWNKJfBupd2ASqx6TOgl AgXuNqbxroEMy+mKi8J15gQHlLLcCqrmYPgSoxeB538aBDzXc2BBg+nQ05h4edpXKgL3 QqbzX8x7/R9nIGEHyO/yx5m+EY28CrUhTQkNEhqcgD5W4iCwtAfBE1DZRvE52JEUhoLw hz5gaoA0Ol9PxEJJhiPlHQTokeK9Lxapw28p6BqGgELEs2Nz5fgnNXii8dwy/mrngi7b xruxjBivZ6+ZUQqo7/RdN2FZULEqp3VCXdhb8iwHlX+Yp/ck7n+xpASP7HiNdn3LMuKU y4/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=xbSe3jQWfOCE5KRVxHOJAlWArC3dSkDhsPfck1iEjyA=; b=V76fB9gWDZWPTbfgotihIkHkXJEi3I17vxTPsujQMaAA+d0HBy3uAPEm78QhGc7wfS 1iJtV+123o5IQeozSZNQZI6ZlFRkfpvJYSULGkkvh6K1RKvT9GO7yK26dnn3myBu9BTQ OpLgFqjNy5+PJuveicFgSrzmrsp8tQRbDy6rtjbC+PAsA+rAm4TS2AMJXC6aJlCpgHF9 iFy0Jac+q4/jnm4uEf6OWkyRSkb3ohhJ/qoHzIU/0RLi3zqPfzieXPd1YmZ53DJC34FD /iTF1G/X+kidKIc7YoqGxy+94IIVGNp0SZtsYp5uTweNMy+AN/FZXmBBWh4064QBCE0d +nyg== X-Gm-Message-State: APjAAAXO4kbmmfMC9xJaYhlNRK2ISYvfYKgvaq5+OMRYs/kEeSpgl4cZ EIpAZcDg0hGdyUWg2i+NuHI4 X-Google-Smtp-Source: APXvYqzNq8u51nZbdM3LUehhT+r68XTtHAt9Kv7BESg4TKD1E82W+FbOu3qTAyTKkYTJ1rOT5eux3w== X-Received: by 2002:a65:5542:: with SMTP id t2mr16966427pgr.74.1573835392496; Fri, 15 Nov 2019 08:29:52 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:51 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 6/7] clk: Add common clock driver for BM1880 SoC Date: Fri, 15 Nov 2019 21:59:00 +0530 Message-Id: <20191115162901.17456-7-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add common clock driver for Bitmain BM1880 SoC. The clock controller on BM1880 has supplies clocks to all peripherals in the form of gate clocks and composite clocks (fixed factor + gate). Signed-off-by: Manivannan Sadhasivam --- drivers/clk/Kconfig | 7 + drivers/clk/Makefile | 1 + drivers/clk/clk-bm1880.c | 969 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 977 insertions(+) create mode 100644 drivers/clk/clk-bm1880.c diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index c44247d0b83e..dc920daa6dbb 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -136,6 +136,13 @@ config COMMON_CLK_SI570 This driver supports Silicon Labs 570/571/598/599 programmable clock generators. +config COMMON_CLK_BM1880 + bool "Clock driver for Bitmain BM1880 SoC" + depends on ARCH_BITMAIN || COMPILE_TEST + default ARCH_BITMAIN + help + This driver supports the clocks on Bitmain BM1880 SoC. + config COMMON_CLK_CDCE706 tristate "Clock driver for TI CDCE706 clock synthesizer" depends on I2C diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 0138fb14e6f8..0696a0c1ab58 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_MACH_ASM9260) += clk-asm9260.o obj-$(CONFIG_COMMON_CLK_AXI_CLKGEN) += clk-axi-clkgen.o obj-$(CONFIG_ARCH_AXXIA) += clk-axm5516.o obj-$(CONFIG_COMMON_CLK_BD718XX) += clk-bd718x7.o +obj-$(CONFIG_COMMON_CLK_BM1880) += clk-bm1880.o obj-$(CONFIG_COMMON_CLK_CDCE706) += clk-cdce706.o obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o diff --git a/drivers/clk/clk-bm1880.c b/drivers/clk/clk-bm1880.c new file mode 100644 index 000000000000..4cd175afce9b --- /dev/null +++ b/drivers/clk/clk-bm1880.c @@ -0,0 +1,969 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Bitmain BM1880 SoC clock driver + * + * Copyright (c) 2019 Linaro Ltd. + * Author: Manivannan Sadhasivam + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#define BM1880_CLK_MPLL_CTL 0x00 +#define BM1880_CLK_SPLL_CTL 0x04 +#define BM1880_CLK_FPLL_CTL 0x08 +#define BM1880_CLK_DDRPLL_CTL 0x0c + +#define BM1880_CLK_ENABLE0 0x00 +#define BM1880_CLK_ENABLE1 0x04 +#define BM1880_CLK_SELECT 0x20 +#define BM1880_CLK_DIV0 0x40 +#define BM1880_CLK_DIV1 0x44 +#define BM1880_CLK_DIV2 0x48 +#define BM1880_CLK_DIV3 0x4c +#define BM1880_CLK_DIV4 0x50 +#define BM1880_CLK_DIV5 0x54 +#define BM1880_CLK_DIV6 0x58 +#define BM1880_CLK_DIV7 0x5c +#define BM1880_CLK_DIV8 0x60 +#define BM1880_CLK_DIV9 0x64 +#define BM1880_CLK_DIV10 0x68 +#define BM1880_CLK_DIV11 0x6c +#define BM1880_CLK_DIV12 0x70 +#define BM1880_CLK_DIV13 0x74 +#define BM1880_CLK_DIV14 0x78 +#define BM1880_CLK_DIV15 0x7c +#define BM1880_CLK_DIV16 0x80 +#define BM1880_CLK_DIV17 0x84 +#define BM1880_CLK_DIV18 0x88 +#define BM1880_CLK_DIV19 0x8c +#define BM1880_CLK_DIV20 0x90 +#define BM1880_CLK_DIV21 0x94 +#define BM1880_CLK_DIV22 0x98 +#define BM1880_CLK_DIV23 0x9c +#define BM1880_CLK_DIV24 0xa0 +#define BM1880_CLK_DIV25 0xa4 +#define BM1880_CLK_DIV26 0xa8 +#define BM1880_CLK_DIV27 0xac +#define BM1880_CLK_DIV28 0xb0 + +#define to_bm1880_pll_clk(_hw) container_of(_hw, struct bm1880_pll_hw_clock, hw) +#define to_bm1880_div_clk(_hw) container_of(_hw, struct bm1880_div_hw_clock, hw) + +static DEFINE_SPINLOCK(bm1880_clk_lock); + +struct bm1880_clock_data { + void __iomem *pll_base; + void __iomem *sys_base; + struct clk_hw_onecell_data hw_data; +}; + +struct bm1880_gate_clock { + unsigned int id; + const char *name; + const char *parent; + u32 gate_reg; + s8 gate_shift; + unsigned long flags; +}; + +struct bm1880_mux_clock { + unsigned int id; + const char *name; + const char * const *parents; + s8 num_parents; + u32 reg; + s8 shift; + unsigned long flags; +}; + +struct bm1880_div_clock { + unsigned int id; + const char *name; + u32 reg; + u8 shift; + u8 width; + u32 initval; + const struct clk_div_table *table; + unsigned long flags; +}; + +struct bm1880_div_hw_clock { + struct bm1880_div_clock div; + void __iomem *base; + spinlock_t *lock; + struct clk_hw hw; + struct clk_init_data init; +}; + +struct bm1880_composite_clock { + unsigned int id; + const char *name; + const char *parent; + const char * const *parents; + unsigned int num_parents; + unsigned long flags; + + u32 gate_reg; + u32 mux_reg; + u32 div_reg; + + s8 gate_shift; + s8 mux_shift; + s8 div_shift; + s8 div_width; + s16 div_initval; + const struct clk_div_table *table; +}; + +struct bm1880_pll_clock { + unsigned int id; + const char *name; + u32 reg; + unsigned long flags; +}; + +struct bm1880_pll_hw_clock { + struct bm1880_pll_clock pll; + void __iomem *base; + struct clk_hw hw; + struct clk_init_data init; +}; + +static const struct clk_ops bm1880_pll_ops; +static const struct clk_ops bm1880_clk_div_ops; + +#define GATE_DIV(_id, _name, _parent, _gate_reg, _gate_shift, _div_reg, \ + _div_shift, _div_width, _div_initval, _table, \ + _flags) { \ + .id = _id, \ + .parent = _parent, \ + .name = _name, \ + .gate_reg = _gate_reg, \ + .gate_shift = _gate_shift, \ + .div_reg = _div_reg, \ + .div_shift = _div_shift, \ + .div_width = _div_width, \ + .div_initval = _div_initval, \ + .table = _table, \ + .mux_shift = -1, \ + .flags = _flags, \ + } + +#define GATE_MUX(_id, _name, _parents, _gate_reg, _gate_shift, \ + _mux_reg, _mux_shift, _flags) { \ + .id = _id, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parents), \ + .name = _name, \ + .gate_reg = _gate_reg, \ + .gate_shift = _gate_shift, \ + .div_shift = -1, \ + .mux_reg = _mux_reg, \ + .mux_shift = _mux_shift, \ + .flags = _flags, \ + } + +#define CLK_PLL(_id, _name, _parent, _reg, _flags) { \ + .pll.id = _id, \ + .pll.name = _name, \ + .pll.reg = _reg, \ + .hw.init = CLK_HW_INIT_PARENTS_DATA(_name, _parent, \ + &bm1880_pll_ops, \ + _flags), \ + } + +#define CLK_DIV(_id, _name, _parent, _reg, _shift, _width, _initval, \ + _table, _flags) { \ + .div.id = _id, \ + .div.name = _name, \ + .div.reg = _reg, \ + .div.shift = _shift, \ + .div.width = _width, \ + .div.initval = _initval, \ + .div.table = _table, \ + .hw.init = CLK_HW_INIT_HW(_name, _parent, \ + &bm1880_clk_div_ops, \ + _flags), \ + } + +static struct clk_parent_data bm1880_pll_parent[] = { + { .fw_name = "osc", .name = "osc" }, +}; + +/* + * All PLL clocks are marked as CRITICAL, hence they are very crucial + * for the functioning of the SoC + */ +static struct bm1880_pll_hw_clock bm1880_pll_clks[] = { + CLK_PLL(BM1880_CLK_MPLL, "clk_mpll", bm1880_pll_parent, + BM1880_CLK_MPLL_CTL, 0), + CLK_PLL(BM1880_CLK_SPLL, "clk_spll", bm1880_pll_parent, + BM1880_CLK_SPLL_CTL, 0), + CLK_PLL(BM1880_CLK_FPLL, "clk_fpll", bm1880_pll_parent, + BM1880_CLK_FPLL_CTL, 0), + CLK_PLL(BM1880_CLK_DDRPLL, "clk_ddrpll", bm1880_pll_parent, + BM1880_CLK_DDRPLL_CTL, 0), +}; + +/* + * Clocks marked as CRITICAL are needed for the proper functioning + * of the SoC. + */ +static const struct bm1880_gate_clock bm1880_gate_clks[] = { + { BM1880_CLK_AHB_ROM, "clk_ahb_rom", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 2, 0 }, + { BM1880_CLK_AXI_SRAM, "clk_axi_sram", "clk_axi1", + BM1880_CLK_ENABLE0, 3, 0 }, + /* + * Since this clock is sourcing the DDR memory, let's mark it as + * critical to avoid gating. + */ + { BM1880_CLK_DDR_AXI, "clk_ddr_axi", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 4, CLK_IS_CRITICAL }, + { BM1880_CLK_APB_EFUSE, "clk_apb_efuse", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 6, 0 }, + { BM1880_CLK_AXI5_EMMC, "clk_axi5_emmc", "clk_axi5", + BM1880_CLK_ENABLE0, 7, 0 }, + { BM1880_CLK_AXI5_SD, "clk_axi5_sd", "clk_axi5", + BM1880_CLK_ENABLE0, 10, 0 }, + { BM1880_CLK_AXI4_ETH0, "clk_axi4_eth0", "clk_axi4", + BM1880_CLK_ENABLE0, 14, 0 }, + { BM1880_CLK_AXI4_ETH1, "clk_axi4_eth1", "clk_axi4", + BM1880_CLK_ENABLE0, 16, 0 }, + { BM1880_CLK_AXI1_GDMA, "clk_axi1_gdma", "clk_axi1", + BM1880_CLK_ENABLE0, 17, 0 }, + /* Don't gate GPIO clocks as it is not owned by the GPIO driver */ + { BM1880_CLK_APB_GPIO, "clk_apb_gpio", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 18, CLK_IGNORE_UNUSED }, + { BM1880_CLK_APB_GPIO_INTR, "clk_apb_gpio_intr", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 19, CLK_IGNORE_UNUSED }, + { BM1880_CLK_AXI1_MINER, "clk_axi1_miner", "clk_axi1", + BM1880_CLK_ENABLE0, 21, 0 }, + { BM1880_CLK_AHB_SF, "clk_ahb_sf", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 22, 0 }, + /* + * Not sure which module this clock is sourcing but gating this clock + * prevents the system from booting. So, let's mark it as critical. + */ + { BM1880_CLK_SDMA_AXI, "clk_sdma_axi", "clk_axi5", + BM1880_CLK_ENABLE0, 23, CLK_IS_CRITICAL }, + { BM1880_CLK_APB_I2C, "clk_apb_i2c", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 25, 0 }, + { BM1880_CLK_APB_WDT, "clk_apb_wdt", "clk_mux_axi6", + BM1880_CLK_ENABLE0, 26, 0 }, + { BM1880_CLK_APB_JPEG, "clk_apb_jpeg", "clk_axi6", + BM1880_CLK_ENABLE0, 27, 0 }, + { BM1880_CLK_AXI5_NF, "clk_axi5_nf", "clk_axi5", + BM1880_CLK_ENABLE0, 29, 0 }, + { BM1880_CLK_APB_NF, "clk_apb_nf", "clk_axi6", + BM1880_CLK_ENABLE0, 30, 0 }, + { BM1880_CLK_APB_PWM, "clk_apb_pwm", "clk_mux_axi6", + BM1880_CLK_ENABLE1, 0, 0 }, + { BM1880_CLK_RV, "clk_rv", "clk_mux_rv", + BM1880_CLK_ENABLE1, 1, 0 }, + { BM1880_CLK_APB_SPI, "clk_apb_spi", "clk_mux_axi6", + BM1880_CLK_ENABLE1, 2, 0 }, + { BM1880_CLK_UART_500M, "clk_uart_500m", "clk_div_uart_500m", + BM1880_CLK_ENABLE1, 4, 0 }, + { BM1880_CLK_APB_UART, "clk_apb_uart", "clk_axi6", + BM1880_CLK_ENABLE1, 5, 0 }, + { BM1880_CLK_APB_I2S, "clk_apb_i2s", "clk_axi6", + BM1880_CLK_ENABLE1, 6, 0 }, + { BM1880_CLK_AXI4_USB, "clk_axi4_usb", "clk_axi4", + BM1880_CLK_ENABLE1, 7, 0 }, + { BM1880_CLK_APB_USB, "clk_apb_usb", "clk_axi6", + BM1880_CLK_ENABLE1, 8, 0 }, + { BM1880_CLK_12M_USB, "clk_12m_usb", "clk_div_12m_usb", + BM1880_CLK_ENABLE1, 11, 0 }, + { BM1880_CLK_APB_VIDEO, "clk_apb_video", "clk_axi6", + BM1880_CLK_ENABLE1, 12, 0 }, + { BM1880_CLK_APB_VPP, "clk_apb_vpp", "clk_axi6", + BM1880_CLK_ENABLE1, 15, 0 }, + { BM1880_CLK_AXI6, "clk_axi6", "clk_mux_axi6", + BM1880_CLK_ENABLE1, 21, 0 }, +}; + +static const char * const clk_a53_parents[] = { "clk_spll", "clk_mpll" }; +static const char * const clk_rv_parents[] = { "clk_div_1_rv", "clk_div_0_rv" }; +static const char * const clk_axi1_parents[] = { "clk_div_1_axi1", "clk_div_0_axi1" }; +static const char * const clk_axi6_parents[] = { "clk_div_1_axi6", "clk_div_0_axi6" }; + +static const struct bm1880_mux_clock bm1880_mux_clks[] = { + { BM1880_CLK_MUX_RV, "clk_mux_rv", clk_rv_parents, 2, + BM1880_CLK_SELECT, 1, 0 }, + { BM1880_CLK_MUX_AXI6, "clk_mux_axi6", clk_axi6_parents, 2, + BM1880_CLK_SELECT, 3, 0 }, +}; + +static const struct clk_div_table bm1880_div_table_0[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 8 }, + { 8, 9 }, { 9, 10 }, { 10, 11 }, { 11, 12 }, + { 12, 13 }, { 13, 14 }, { 14, 15 }, { 15, 16 }, + { 16, 17 }, { 17, 18 }, { 18, 19 }, { 19, 20 }, + { 20, 21 }, { 21, 22 }, { 22, 23 }, { 23, 24 }, + { 24, 25 }, { 25, 26 }, { 26, 27 }, { 27, 28 }, + { 28, 29 }, { 29, 30 }, { 30, 31 }, { 31, 32 }, + { 0, 0 } +}; + +static const struct clk_div_table bm1880_div_table_1[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 8 }, + { 8, 9 }, { 9, 10 }, { 10, 11 }, { 11, 12 }, + { 12, 13 }, { 13, 14 }, { 14, 15 }, { 15, 16 }, + { 16, 17 }, { 17, 18 }, { 18, 19 }, { 19, 20 }, + { 20, 21 }, { 21, 22 }, { 22, 23 }, { 23, 24 }, + { 24, 25 }, { 25, 26 }, { 26, 27 }, { 27, 28 }, + { 28, 29 }, { 29, 30 }, { 30, 31 }, { 31, 32 }, + { 127, 128 }, { 0, 0 } +}; + +static const struct clk_div_table bm1880_div_table_2[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 8 }, + { 8, 9 }, { 9, 10 }, { 10, 11 }, { 11, 12 }, + { 12, 13 }, { 13, 14 }, { 14, 15 }, { 15, 16 }, + { 16, 17 }, { 17, 18 }, { 18, 19 }, { 19, 20 }, + { 20, 21 }, { 21, 22 }, { 22, 23 }, { 23, 24 }, + { 24, 25 }, { 25, 26 }, { 26, 27 }, { 27, 28 }, + { 28, 29 }, { 29, 30 }, { 30, 31 }, { 31, 32 }, + { 127, 128 }, { 255, 256 }, { 0, 0 } +}; + +static const struct clk_div_table bm1880_div_table_3[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 8 }, + { 8, 9 }, { 9, 10 }, { 10, 11 }, { 11, 12 }, + { 12, 13 }, { 13, 14 }, { 14, 15 }, { 15, 16 }, + { 16, 17 }, { 17, 18 }, { 18, 19 }, { 19, 20 }, + { 20, 21 }, { 21, 22 }, { 22, 23 }, { 23, 24 }, + { 24, 25 }, { 25, 26 }, { 26, 27 }, { 27, 28 }, + { 28, 29 }, { 29, 30 }, { 30, 31 }, { 31, 32 }, + { 127, 128 }, { 255, 256 }, { 511, 512 }, { 0, 0 } +}; + +static const struct clk_div_table bm1880_div_table_4[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 8 }, + { 8, 9 }, { 9, 10 }, { 10, 11 }, { 11, 12 }, + { 12, 13 }, { 13, 14 }, { 14, 15 }, { 15, 16 }, + { 16, 17 }, { 17, 18 }, { 18, 19 }, { 19, 20 }, + { 20, 21 }, { 21, 22 }, { 22, 23 }, { 23, 24 }, + { 24, 25 }, { 25, 26 }, { 26, 27 }, { 27, 28 }, + { 28, 29 }, { 29, 30 }, { 30, 31 }, { 31, 32 }, + { 127, 128 }, { 255, 256 }, { 511, 512 }, { 65535, 65536 }, + { 0, 0 } +}; + +/* + * Clocks marked as CRITICAL are needed for the proper functioning + * of the SoC. + */ +static struct bm1880_div_hw_clock bm1880_div_clks[] = { + CLK_DIV(BM1880_CLK_DIV_0_RV, "clk_div_0_rv", &bm1880_pll_clks[1].hw, + BM1880_CLK_DIV12, 16, 5, 1, bm1880_div_table_0, 0), + CLK_DIV(BM1880_CLK_DIV_1_RV, "clk_div_1_rv", &bm1880_pll_clks[2].hw, + BM1880_CLK_DIV13, 16, 5, 1, bm1880_div_table_0, 0), + CLK_DIV(BM1880_CLK_DIV_UART_500M, "clk_div_uart_500m", &bm1880_pll_clks[2].hw, + BM1880_CLK_DIV15, 16, 7, 3, bm1880_div_table_1, 0), + CLK_DIV(BM1880_CLK_DIV_0_AXI1, "clk_div_0_axi1", &bm1880_pll_clks[0].hw, + BM1880_CLK_DIV21, 16, 5, 2, bm1880_div_table_0, + 0), + CLK_DIV(BM1880_CLK_DIV_1_AXI1, "clk_div_1_axi1", &bm1880_pll_clks[2].hw, + BM1880_CLK_DIV22, 16, 5, 3, bm1880_div_table_0, + 0), + CLK_DIV(BM1880_CLK_DIV_0_AXI6, "clk_div_0_axi6", &bm1880_pll_clks[2].hw, + BM1880_CLK_DIV27, 16, 5, 15, bm1880_div_table_0, + 0), + CLK_DIV(BM1880_CLK_DIV_1_AXI6, "clk_div_1_axi6", &bm1880_pll_clks[0].hw, + BM1880_CLK_DIV28, 16, 5, 11, bm1880_div_table_0, + 0), + CLK_DIV(BM1880_CLK_DIV_12M_USB, "clk_div_12m_usb", &bm1880_pll_clks[2].hw, + BM1880_CLK_DIV18, 16, 7, 125, bm1880_div_table_1, 0), +}; + +/* + * Clocks marked as CRITICAL are all needed for the proper functioning + * of the SoC. + */ +static struct bm1880_composite_clock bm1880_composite_clks[] = { + /* + * Since clk_a53 and clk_50m_a53 clocks are sourcing the CPU core, + * let's mark them as critical to avoid gating. + */ + GATE_MUX(BM1880_CLK_A53, "clk_a53", clk_a53_parents, + BM1880_CLK_ENABLE0, 0, BM1880_CLK_SELECT, 0, + CLK_IS_CRITICAL), + GATE_DIV(BM1880_CLK_50M_A53, "clk_50m_a53", "clk_fpll", + BM1880_CLK_ENABLE0, 1, BM1880_CLK_DIV0, 16, 5, 30, + bm1880_div_table_0, CLK_IS_CRITICAL), + GATE_DIV(BM1880_CLK_EFUSE, "clk_efuse", "clk_fpll", + BM1880_CLK_ENABLE0, 5, BM1880_CLK_DIV1, 16, 7, 60, + bm1880_div_table_1, 0), + GATE_DIV(BM1880_CLK_EMMC, "clk_emmc", "clk_fpll", + BM1880_CLK_ENABLE0, 8, BM1880_CLK_DIV2, 16, 5, 15, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_100K_EMMC, "clk_100k_emmc", "clk_div_12m_usb", + BM1880_CLK_ENABLE0, 9, BM1880_CLK_DIV3, 16, 8, 120, + bm1880_div_table_2, 0), + GATE_DIV(BM1880_CLK_SD, "clk_sd", "clk_fpll", + BM1880_CLK_ENABLE0, 11, BM1880_CLK_DIV4, 16, 5, 15, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_100K_SD, "clk_100k_sd", "clk_div_12m_usb", + BM1880_CLK_ENABLE0, 12, BM1880_CLK_DIV5, 16, 8, 120, + bm1880_div_table_2, 0), + GATE_DIV(BM1880_CLK_500M_ETH0, "clk_500m_eth0", "clk_fpll", + BM1880_CLK_ENABLE0, 13, BM1880_CLK_DIV6, 16, 5, 3, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_500M_ETH1, "clk_500m_eth1", "clk_fpll", + BM1880_CLK_ENABLE0, 15, BM1880_CLK_DIV7, 16, 5, 3, + bm1880_div_table_0, 0), + /* Don't gate GPIO clocks as it is not owned by the GPIO driver */ + GATE_DIV(BM1880_CLK_GPIO_DB, "clk_gpio_db", "clk_div_12m_usb", + BM1880_CLK_ENABLE0, 20, BM1880_CLK_DIV8, 16, 16, 120, + bm1880_div_table_4, CLK_IGNORE_UNUSED), + GATE_DIV(BM1880_CLK_SDMA_AUD, "clk_sdma_aud", "clk_fpll", + BM1880_CLK_ENABLE0, 24, BM1880_CLK_DIV9, 16, 7, 61, + bm1880_div_table_1, 0), + GATE_DIV(BM1880_CLK_JPEG_AXI, "clk_jpeg_axi", "clk_fpll", + BM1880_CLK_ENABLE0, 28, BM1880_CLK_DIV10, 16, 5, 4, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_NF, "clk_nf", "clk_fpll", + BM1880_CLK_ENABLE0, 31, BM1880_CLK_DIV11, 16, 5, 30, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_TPU_AXI, "clk_tpu_axi", "clk_spll", + BM1880_CLK_ENABLE1, 3, BM1880_CLK_DIV14, 16, 5, 1, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_125M_USB, "clk_125m_usb", "clk_fpll", + BM1880_CLK_ENABLE1, 9, BM1880_CLK_DIV16, 16, 5, 12, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_33K_USB, "clk_33k_usb", "clk_div_12m_usb", + BM1880_CLK_ENABLE1, 10, BM1880_CLK_DIV17, 16, 9, 363, + bm1880_div_table_3, 0), + GATE_DIV(BM1880_CLK_VIDEO_AXI, "clk_video_axi", "clk_fpll", + BM1880_CLK_ENABLE1, 13, BM1880_CLK_DIV19, 16, 5, 4, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_VPP_AXI, "clk_vpp_axi", "clk_fpll", + BM1880_CLK_ENABLE1, 14, BM1880_CLK_DIV20, 16, 5, 4, + bm1880_div_table_0, 0), + GATE_MUX(BM1880_CLK_AXI1, "clk_axi1", clk_axi1_parents, + BM1880_CLK_ENABLE1, 15, BM1880_CLK_SELECT, 2, 0), + GATE_DIV(BM1880_CLK_AXI2, "clk_axi2", "clk_fpll", + BM1880_CLK_ENABLE1, 17, BM1880_CLK_DIV23, 16, 5, 3, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_AXI3, "clk_axi3", "clk_mux_rv", + BM1880_CLK_ENABLE1, 18, BM1880_CLK_DIV24, 16, 5, 2, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_AXI4, "clk_axi4", "clk_fpll", + BM1880_CLK_ENABLE1, 19, BM1880_CLK_DIV25, 16, 5, 6, + bm1880_div_table_0, 0), + GATE_DIV(BM1880_CLK_AXI5, "clk_axi5", "clk_fpll", + BM1880_CLK_ENABLE1, 20, BM1880_CLK_DIV26, 16, 5, 15, + bm1880_div_table_0, 0), +}; + +static unsigned long bm1880_pll_rate_calc(u32 regval, unsigned long parent_rate) +{ + u64 numerator; + u32 fbdiv, fref, refdiv; + u32 postdiv1, postdiv2, denominator; + + fbdiv = (regval >> 16) & 0xfff; + fref = parent_rate; + refdiv = regval & 0x1f; + postdiv1 = (regval >> 8) & 0x7; + postdiv2 = (regval >> 12) & 0x7; + + numerator = parent_rate * fbdiv; + denominator = refdiv * postdiv1 * postdiv2; + do_div(numerator, denominator); + + return (unsigned long)numerator; +} + +static unsigned long bm1880_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct bm1880_pll_hw_clock *pll_hw = to_bm1880_pll_clk(hw); + unsigned long rate; + u32 regval; + + regval = readl(pll_hw->base + pll_hw->pll.reg); + rate = bm1880_pll_rate_calc(regval, parent_rate); + + return rate; +} + +static const struct clk_ops bm1880_pll_ops = { + .recalc_rate = bm1880_pll_recalc_rate, +}; + +static struct clk_hw *bm1880_clk_register_pll(struct bm1880_pll_hw_clock *pll_clk, + void __iomem *sys_base) +{ + struct clk_hw *hw; + int err; + + pll_clk->base = sys_base; + hw = &pll_clk->hw; + + err = clk_hw_register(NULL, hw); + if (err) + return ERR_PTR(err); + + return hw; +} + +static void bm1880_clk_unregister_pll(struct clk_hw *hw) +{ + struct bm1880_pll_hw_clock *pll_hw = to_bm1880_pll_clk(hw); + + clk_hw_unregister(hw); + kfree(pll_hw); +} + +static int bm1880_clk_register_plls(struct bm1880_pll_hw_clock *clks, + int num_clks, + struct bm1880_clock_data *data) +{ + struct clk_hw *hw; + void __iomem *pll_base = data->pll_base; + int i; + + for (i = 0; i < num_clks; i++) { + struct bm1880_pll_hw_clock *bm1880_clk = &clks[i]; + + hw = bm1880_clk_register_pll(bm1880_clk, pll_base); + if (IS_ERR(hw)) { + pr_err("%s: failed to register clock %s\n", + __func__, bm1880_clk->pll.name); + goto err_clk; + } + + data->hw_data.hws[clks[i].pll.id] = hw; + } + + return 0; + +err_clk: + while (i--) + bm1880_clk_unregister_pll(data->hw_data.hws[clks[i].pll.id]); + + return PTR_ERR(hw); +} + +static int bm1880_clk_register_mux(const struct bm1880_mux_clock *clks, + int num_clks, + struct bm1880_clock_data *data) +{ + struct clk_hw *hw; + void __iomem *sys_base = data->sys_base; + int i; + + for (i = 0; i < num_clks; i++) { + hw = clk_hw_register_mux(NULL, clks[i].name, + clks[i].parents, + clks[i].num_parents, + clks[i].flags, + sys_base + clks[i].reg, + clks[i].shift, 1, 0, + &bm1880_clk_lock); + if (IS_ERR(hw)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + goto err_clk; + } + + data->hw_data.hws[clks[i].id] = hw; + } + + return 0; + +err_clk: + while (i--) + clk_hw_unregister_mux(data->hw_data.hws[clks[i].id]); + + return PTR_ERR(hw); +} + +static unsigned long bm1880_clk_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw); + struct bm1880_div_clock *div = &div_hw->div; + void __iomem *reg_addr = div_hw->base + div->reg; + unsigned int val; + unsigned long rate; + + if (!(readl(reg_addr) & BIT(3))) { + val = div->initval; + } else { + val = readl(reg_addr) >> div->shift; + val &= clk_div_mask(div->width); + } + + rate = divider_recalc_rate(hw, parent_rate, val, div->table, + div->flags, div->width); + + return rate; +} + +static long bm1880_clk_div_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw); + struct bm1880_div_clock *div = &div_hw->div; + void __iomem *reg_addr = div_hw->base + div->reg; + + if (div->flags & CLK_DIVIDER_READ_ONLY) { + u32 val; + + val = readl(reg_addr) >> div->shift; + val &= clk_div_mask(div->width); + + return divider_ro_round_rate(hw, rate, prate, div->table, + div->width, div->flags, + val); + } + + return divider_round_rate(hw, rate, prate, div->table, + div->width, div->flags); +} + +static int bm1880_clk_div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw); + struct bm1880_div_clock *div = &div_hw->div; + void __iomem *reg_addr = div_hw->base + div->reg; + unsigned long flags = 0; + int value; + u32 val; + + value = divider_get_val(rate, parent_rate, div->table, + div->width, div_hw->div.flags); + if (value < 0) + return value; + + if (div_hw->lock) + spin_lock_irqsave(div_hw->lock, flags); + else + __acquire(div_hw->lock); + + val = readl(reg_addr); + val &= ~(clk_div_mask(div->width) << div_hw->div.shift); + val |= (u32)value << div->shift; + writel(val, reg_addr); + + if (div_hw->lock) + spin_unlock_irqrestore(div_hw->lock, flags); + else + __release(div_hw->lock); + + return 0; +} + +static const struct clk_ops bm1880_clk_div_ops = { + .recalc_rate = bm1880_clk_div_recalc_rate, + .round_rate = bm1880_clk_div_round_rate, + .set_rate = bm1880_clk_div_set_rate, +}; + +static struct clk_hw *bm1880_clk_register_div(struct bm1880_div_hw_clock *div_clk, + void __iomem *sys_base) +{ + struct clk_hw *hw; + int err; + + div_clk->div.flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO; + div_clk->base = sys_base; + div_clk->lock = &bm1880_clk_lock; + + hw = &div_clk->hw; + err = clk_hw_register(NULL, hw); + if (err) + return ERR_PTR(err); + + return hw; +} + +static void bm1880_clk_unregister_div(struct clk_hw *hw) +{ + struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw); + + clk_hw_unregister(hw); + kfree(div_hw); +} + +static int bm1880_clk_register_divs(struct bm1880_div_hw_clock *clks, + int num_clks, + struct bm1880_clock_data *data) +{ + struct clk_hw *hw; + void __iomem *sys_base = data->sys_base; + unsigned int i, id; + + for (i = 0; i < num_clks; i++) { + struct bm1880_div_hw_clock *bm1880_clk = &clks[i]; + + hw = bm1880_clk_register_div(bm1880_clk, sys_base); + if (IS_ERR(hw)) { + pr_err("%s: failed to register clock %s\n", + __func__, bm1880_clk->div.name); + goto err_clk; + } + + id = clks[i].div.id; + data->hw_data.hws[id] = hw; + } + + return 0; + +err_clk: + while (i--) + bm1880_clk_unregister_div(data->hw_data.hws[clks[i].div.id]); + + return PTR_ERR(hw); +} + +static int bm1880_clk_register_gate(const struct bm1880_gate_clock *clks, + int num_clks, + struct bm1880_clock_data *data) +{ + struct clk_hw *hw; + void __iomem *sys_base = data->sys_base; + int i; + + for (i = 0; i < num_clks; i++) { + hw = clk_hw_register_gate(NULL, clks[i].name, + clks[i].parent, + clks[i].flags, + sys_base + clks[i].gate_reg, + clks[i].gate_shift, 0, + &bm1880_clk_lock); + if (IS_ERR(hw)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + goto err_clk; + } + + data->hw_data.hws[clks[i].id] = hw; + } + + return 0; + +err_clk: + while (i--) + clk_hw_unregister_gate(data->hw_data.hws[clks[i].id]); + + return PTR_ERR(hw); +} + +static struct clk_hw *bm1880_clk_register_composite(struct bm1880_composite_clock *clks, + void __iomem *sys_base) +{ + struct clk_hw *hw; + struct clk_mux *mux = NULL; + struct clk_gate *gate = NULL; + struct bm1880_div_hw_clock *div_hws = NULL; + struct clk_hw *mux_hw = NULL, *gate_hw = NULL, *div_hw = NULL; + const struct clk_ops *mux_ops = NULL, *gate_ops = NULL, *div_ops = NULL; + const char * const *parent_names; + const char *parent; + int num_parents; + int ret; + + if (clks->mux_shift >= 0) { + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) + return ERR_PTR(-ENOMEM); + + mux->reg = sys_base + clks->mux_reg; + mux->mask = 1; + mux->shift = clks->mux_shift; + mux_hw = &mux->hw; + mux_ops = &clk_mux_ops; + mux->lock = &bm1880_clk_lock; + + parent_names = clks->parents; + num_parents = clks->num_parents; + } else { + parent = clks->parent; + parent_names = &parent; + num_parents = 1; + } + + if (clks->gate_shift >= 0) { + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) { + ret = -ENOMEM; + goto err_out; + } + + gate->reg = sys_base + clks->gate_reg; + gate->bit_idx = clks->gate_shift; + gate->lock = &bm1880_clk_lock; + + gate_hw = &gate->hw; + gate_ops = &clk_gate_ops; + } + + if (clks->div_shift >= 0) { + div_hws = kzalloc(sizeof(*div_hws), GFP_KERNEL); + if (!div_hws) { + ret = -ENOMEM; + goto err_out; + } + + div_hws->base = sys_base; + div_hws->div.reg = clks->div_reg; + div_hws->div.shift = clks->div_shift; + div_hws->div.width = clks->div_width; + div_hws->div.table = clks->table; + div_hws->div.initval = clks->div_initval; + div_hws->lock = &bm1880_clk_lock; + div_hws->div.flags = CLK_DIVIDER_ONE_BASED | + CLK_DIVIDER_ALLOW_ZERO; + + div_hw = &div_hws->hw; + div_ops = &bm1880_clk_div_ops; + } + + hw = clk_hw_register_composite(NULL, clks->name, parent_names, + num_parents, mux_hw, mux_ops, div_hw, + div_ops, gate_hw, gate_ops, + clks->flags); + + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_out; + } + + return hw; + +err_out: + kfree(div_hws); + kfree(gate); + kfree(mux); + + return ERR_PTR(ret); +} + +static int bm1880_clk_register_composites(struct bm1880_composite_clock *clks, + int num_clks, + struct bm1880_clock_data *data) +{ + struct clk_hw *hw; + void __iomem *sys_base = data->sys_base; + int i; + + for (i = 0; i < num_clks; i++) { + struct bm1880_composite_clock *bm1880_clk = &clks[i]; + + hw = bm1880_clk_register_composite(bm1880_clk, sys_base); + if (IS_ERR(hw)) { + pr_err("%s: failed to register clock %s\n", + __func__, bm1880_clk->name); + goto err_clk; + } + + data->hw_data.hws[clks[i].id] = hw; + } + + return 0; + +err_clk: + while (i--) + clk_hw_unregister_composite(data->hw_data.hws[clks[i].id]); + + return PTR_ERR(hw); +} + +static int bm1880_clk_probe(struct platform_device *pdev) +{ + struct bm1880_clock_data *clk_data; + void __iomem *pll_base, *sys_base; + struct device *dev = &pdev->dev; + struct resource *res; + int num_clks, i; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + pll_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(pll_base)) + return PTR_ERR(pll_base); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + sys_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(sys_base)) + return PTR_ERR(sys_base); + + num_clks = ARRAY_SIZE(bm1880_pll_clks) + + ARRAY_SIZE(bm1880_div_clks) + + ARRAY_SIZE(bm1880_mux_clks) + + ARRAY_SIZE(bm1880_composite_clks) + + ARRAY_SIZE(bm1880_gate_clks); + + clk_data = devm_kzalloc(dev, struct_size(clk_data, hw_data.hws, + num_clks), GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + clk_data->pll_base = pll_base; + clk_data->sys_base = sys_base; + + for (i = 0; i < num_clks; i++) + clk_data->hw_data.hws[i] = ERR_PTR(-ENOENT); + + clk_data->hw_data.num = num_clks; + + bm1880_clk_register_plls(bm1880_pll_clks, + ARRAY_SIZE(bm1880_pll_clks), + clk_data); + + bm1880_clk_register_divs(bm1880_div_clks, + ARRAY_SIZE(bm1880_div_clks), + clk_data); + + bm1880_clk_register_mux(bm1880_mux_clks, + ARRAY_SIZE(bm1880_mux_clks), + clk_data); + + bm1880_clk_register_composites(bm1880_composite_clks, + ARRAY_SIZE(bm1880_composite_clks), + clk_data); + + bm1880_clk_register_gate(bm1880_gate_clks, + ARRAY_SIZE(bm1880_gate_clks), + clk_data); + + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + &clk_data->hw_data); +} + +static const struct of_device_id bm1880_of_match[] = { + { .compatible = "bitmain,bm1880-clk", }, + {} +}; +MODULE_DEVICE_TABLE(of, bm1880_of_match); + +static struct platform_driver bm1880_clk_driver = { + .driver = { + .name = "bm1880-clk", + .of_match_table = bm1880_of_match, + }, + .probe = bm1880_clk_probe, +}; +module_platform_driver(bm1880_clk_driver); + +MODULE_AUTHOR("Manivannan Sadhasivam "); +MODULE_DESCRIPTION("Clock driver for Bitmain BM1880 SoC"); +MODULE_LICENSE("GPL v2"); From patchwork Fri Nov 15 16:29:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11246745 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 148AA13BD for ; Fri, 15 Nov 2019 16:30:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E77CD20730 for ; Fri, 15 Nov 2019 16:30:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="vYxpcpmY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727790AbfKOQ37 (ORCPT ); Fri, 15 Nov 2019 11:29:59 -0500 Received: from mail-pf1-f194.google.com ([209.85.210.194]:39403 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727762AbfKOQ37 (ORCPT ); Fri, 15 Nov 2019 11:29:59 -0500 Received: by mail-pf1-f194.google.com with SMTP id x28so6929365pfo.6 for ; Fri, 15 Nov 2019 08:29:58 -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=vyxQq6l0DnXXPlNTL9PGBy7Itz+G0TwXgp9Tr10w+hM=; b=vYxpcpmYjKU505XimxG9aE30KFTlxC3O2y6sV+mQAjvNjy/GP0tyg9bWBnxqBHXyup kN/FSlMRPGm0nSAEWl/wfvXvZnmCw0CPqq9kszndciTlgHWqgGQT5hW+QPJd6k46wuQp EATT0nvCSJztIcTfqEfIFdt5472rcLHHooeMLtjHsmYqr2oo6MZZsZTcGCGAA1vakiop ilN1gfkgAc4BE5i9UcBtFMwuMdOHTbFb/vnntnFZyRIm5dbP39LKMxsF74gmUjuL5PkP TjSiPci8ZiI5PCKlVMZ5delLH/tJJiycPvCriQrKz28Bkoyr7NRbegbINpM++fZFlk1L z7RQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=vyxQq6l0DnXXPlNTL9PGBy7Itz+G0TwXgp9Tr10w+hM=; b=VAxsbrg2xoaQOiL5+3Mq6oMYlQvqiCkHli0oNQ3tBQp1vqLuhmxLLk7l1DN9H0wau8 85UT2TeP3iB4o9cERIZdtmsstQvmweodUgN0GAAGkHPWzC1dI2R4juIR/VGR5rQDFvVf nOqX3ACx0Z7g5gPGdN15zq8C/jqyX7UdPlAZ1BCANL2cpMoKErEIzpC+MyiFB2YWGO50 hkXpqA389VcVKNQ91sLaBp/NzDoGCG6CxQZwKJcyB5iiutjXadOnxuNy3ZMQeqUujyPd D2Ruzo2TfsLHvukn8zo74h4RtMA0xl9inGuT7KynzRnNw3+6RgmofMOHPCjF6OsRng47 2nFA== X-Gm-Message-State: APjAAAW1b/7oGioba5isDRNnbw+ffG37G40n7To1rLllMkawU+Yb0Az/ CE8oGkZ27IAENOa56mXQvbYd X-Google-Smtp-Source: APXvYqyHvbWvUHsrotDXNo3Uqb/ciOmuTBbvH69h1MhX5fWECe2j+LdfQeiepIjfp6mk4OXar6ZLVw== X-Received: by 2002:a62:ae11:: with SMTP id q17mr7393595pff.103.1573835398499; Fri, 15 Nov 2019 08:29:58 -0800 (PST) Received: from localhost.localdomain ([2409:4072:6183:6d55:8418:2bbc:e6d8:2b4]) by smtp.gmail.com with ESMTPSA id y24sm12295288pfr.116.2019.11.15.08.29.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 08:29:57 -0800 (PST) From: Manivannan Sadhasivam To: sboyd@kernel.org, mturquette@baylibre.com, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, haitao.suo@bitmain.com, darren.tsao@bitmain.com, fisher.cheng@bitmain.com, alec.lin@bitmain.com, Manivannan Sadhasivam Subject: [PATCH v7 7/7] MAINTAINERS: Add entry for BM1880 SoC clock driver Date: Fri, 15 Nov 2019 21:59:01 +0530 Message-Id: <20191115162901.17456-8-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> References: <20191115162901.17456-1-manivannan.sadhasivam@linaro.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add MAINTAINERS entry for Bitmain BM1880 SoC clock driver. Signed-off-by: Manivannan Sadhasivam --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 52f3ac28b69e..40e9ba15ad2a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1529,8 +1529,10 @@ M: Manivannan Sadhasivam L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm64/boot/dts/bitmain/ +F: drivers/clk/clk-bm1880.c F: drivers/pinctrl/pinctrl-bm1880.c F: Documentation/devicetree/bindings/arm/bitmain.yaml +F: Documentation/devicetree/bindings/clock/bitmain,bm1880-clk.yaml F: Documentation/devicetree/bindings/pinctrl/bitmain,bm1880-pinctrl.txt ARM/CALXEDA HIGHBANK ARCHITECTURE