Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756405AbbBEAyX (ORCPT ); Wed, 4 Feb 2015 19:54:23 -0500 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:13700 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756307AbbBEAyA (ORCPT ); Wed, 4 Feb 2015 19:54:00 -0500 X-IronPort-AV: E=Sophos;i="5.09,521,1418112000"; d="scan'208";a="56527543" From: Ray Jui To: Mike Turquette , Stephen Boyd , Matt Porter , Alex Elder , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Russell King , Arnd Bergmann CC: , , Scott Branden , Dmitry Torokhov , Anatol Pomazau , , , Ray Jui Subject: [PATCH v5 6/6] ARM: dts: enable clock support for Broadcom Cygnus Date: Wed, 4 Feb 2015 16:55:05 -0800 Message-ID: <1423097705-22939-7-git-send-email-rjui@broadcom.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1423097705-22939-1-git-send-email-rjui@broadcom.com> References: <1423097705-22939-1-git-send-email-rjui@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4678 Lines: 177 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..abb8a3f 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 = <2100000000>; + 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>; }; }; -- 1.7.9.5 -- 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/