From patchwork Mon Jan 5 23:21:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ray Jui X-Patchwork-Id: 5570951 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 270D7BFE6A for ; Mon, 5 Jan 2015 23:24:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2E95C20340 for ; Mon, 5 Jan 2015 23:24:57 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 178D12034A for ; Mon, 5 Jan 2015 23:24:56 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y8GyQ-0005QV-CL; Mon, 05 Jan 2015 23:22:10 +0000 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y8Gy5-0005F9-Pk for linux-arm-kernel@lists.infradead.org; Mon, 05 Jan 2015 23:21:50 +0000 X-IronPort-AV: E=Sophos;i="5.07,702,1413270000"; d="scan'208";a="54178466" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 05 Jan 2015 15:55:53 -0800 Received: from IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Mon, 5 Jan 2015 15:21:44 -0800 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) with Microsoft SMTP Server id 14.3.174.1; Mon, 5 Jan 2015 15:21:59 -0800 Received: from mail.broadcom.com (lbrmn-lnxub44.ric.broadcom.com [10.136.8.49]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 7D6F5410A9; Mon, 5 Jan 2015 15:20:24 -0800 (PST) From: Ray Jui To: Mike Turquette , Stephen Boyd , Matt Porter , Alex Elder , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Russell King Subject: [PATCH v2 5/5] ARM: dts: enable clock support for Broadcom Cygnus Date: Mon, 5 Jan 2015 15:21:16 -0800 Message-ID: <1420500076-18302-6-git-send-email-rjui@broadcom.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1420500076-18302-1-git-send-email-rjui@broadcom.com> References: <1420500076-18302-1-git-send-email-rjui@broadcom.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150105_152149_950286_89D21BC9 X-CRM114-Status: UNSURE ( 8.22 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) Cc: devicetree@vger.kernel.org, Scott Branden , Ray Jui , linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace current device tree dummy clocks with real clock support for Broadcom Cygnus SoC Signed-off-by: Ray Jui Reviewed-by: Scott Branden --- arch/arm/boot/dts/bcm-cygnus-clock.dtsi | 110 ++++++++++++++++++++++++------- arch/arm/boot/dts/bcm-cygnus.dtsi | 2 +- 2 files changed, 86 insertions(+), 26 deletions(-) diff --git a/arch/arm/boot/dts/bcm-cygnus-clock.dtsi b/arch/arm/boot/dts/bcm-cygnus-clock.dtsi index 60d8389..f2da5e2 100644 --- a/arch/arm/boot/dts/bcm-cygnus-clock.dtsi +++ b/arch/arm/boot/dts/bcm-cygnus-clock.dtsi @@ -36,56 +36,116 @@ clocks { ranges; osc: oscillator { + #clock-cells = <0>; compatible = "fixed-clock"; - #clock-cells = <1>; clock-frequency = <25000000>; }; - apb_clk: apb_clk { - compatible = "fixed-clock"; + /* Cygnus ARM PLL */ + armpll: armpll { #clock-cells = <0>; - clock-frequency = <1000000000>; + compatible = "brcm,cygnus-armpll"; + clocks = <&osc>; + reg = <0x19000000 0x1000>; }; - periph_clk: periph_clk { - compatible = "fixed-clock"; + /* peripheral clock for system timer */ + arm_periph_clk: arm_periph_clk { #clock-cells = <0>; - clock-frequency = <500000000>; + compatible = "fixed-factor-clock"; + clocks = <&armpll>; + clock-div = <2>; + clock-mult = <1>; }; - sdio_clk: lcpll_ch2 { - compatible = "fixed-clock"; + /* APB bus clock */ + apb_clk: apb_clk { #clock-cells = <0>; - clock-frequency = <200000000>; + compatible = "fixed-factor-clock"; + clocks = <&armpll>; + clock-div = <4>; + clock-mult = <1>; }; - axi81_clk: axi81_clk { - compatible = "fixed-clock"; + genpll: genpll { #clock-cells = <0>; - clock-frequency = <100000000>; + compatible = "brcm,cygnus-genpll"; + reg = <0x0301d000 0x2c>, + <0x0301c020 0x4>; + clocks = <&osc>; }; - keypad_clk: keypad_clk { - compatible = "fixed-clock"; + /* various clocks running off the GENPLL */ + genpll_clks: genpll_clks { + #clock-cells = <1>; + compatible = "brcm,cygnus-genpll-clk"; + reg = <0x0301d000 0x2c>; + clocks = <&genpll>; + clock-output-names = "axi21", "250mhz", "ihost_sys", + "enet_sw", "audio_125", "can"; + }; + + /* always 1/2 of the axi21 clock */ + axi41_clk: axi41_clk { #clock-cells = <0>; - clock-frequency = <31806>; + compatible = "fixed-factor-clock"; + clocks = <&genpll_clks 0>; + clock-div = <2>; + clock-mult = <1>; }; - adc_clk: adc_clk { - compatible = "fixed-clock"; + /* always 1/4 of the axi21 clock */ + axi81_clk: axi81_clk { #clock-cells = <0>; - clock-frequency = <1562500>; + compatible = "fixed-factor-clock"; + clocks = <&genpll_clks 0>; + clock-div = <4>; + clock-mult = <1>; }; - pwm_clk: pwm_clk { - compatible = "fixed-clock"; + lcpll0: lcpll0 { #clock-cells = <0>; - clock-frequency = <1000000>; + compatible = "brcm,cygnus-lcpll0"; + reg = <0x0301d02c 0x1c>, + <0x0301c020 0x4>; + clocks = <&osc>; }; - lcd_clk: mipipll_ch1 { - compatible = "fixed-clock"; + /* various clocks running off the LCPLL0 */ + lcpll0_clks: lcpll0_clks { + #clock-cells = <1>; + compatible = "brcm,cygnus-lcpll0-clk"; + reg = <0x0301d02c 0x1c>; + clocks = <&lcpll0>; + clock-output-names = "pcie_phy", "ddr_phy", "sdio", + "usb_phy", "smart_card", "ch5"; + }; + + mipipll: mipipll { #clock-cells = <0>; - clock-frequency = <100000000>; + compatible = "brcm,cygnus-mipipll"; + reg = <0x180a9800 0x2c>, + <0x0301c020 0x4>, + <0x180aa024 0x4>; + clock-frequency = <1350000000>; + clocks = <&osc>; + }; + + mipipll_clks: mipipll_clks { + #clock-cells = <1>; + compatible = "brcm,cygnus-mipipll-clk"; + reg = <0x180a9800 0x2c>; + clocks = <&mipipll>; + clock-output-names = "ch0_unused", "ch1_lcd", "ch2_unused", + "ch3_unused", "ch4_unused", "ch5_unused"; + }; + + asiu_clks: asiu_clks { + #clock-cells = <1>; + compatible = "brcm,cygnus-asiu-clk"; + reg = <0x0301d048 0xc>, + <0x180aa024 0x4>; + clocks = <&osc>; + clock-output-names = "keypad", "adc/touch", "pwm"; }; }; diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi index 5126f9e..2b99e9c 100644 --- a/arch/arm/boot/dts/bcm-cygnus.dtsi +++ b/arch/arm/boot/dts/bcm-cygnus.dtsi @@ -134,7 +134,7 @@ compatible = "arm,cortex-a9-global-timer"; reg = <0x19020200 0x100>; interrupts = ; - clocks = <&periph_clk>; + clocks = <&arm_periph_clk>; }; };