Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752789AbaBJKgK (ORCPT ); Mon, 10 Feb 2014 05:36:10 -0500 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]:51353 "EHLO smtp.csie.ntu.edu.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751889AbaBJKf7 (ORCPT ); Mon, 10 Feb 2014 05:35:59 -0500 From: Chen-Yu Tsai To: Maxime Ripard , Emilio Lopez , Mike Turquette Cc: Chen-Yu Tsai , linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/8] ARM: dts: sun7i: Add GMAC clock node to sun7i DTSI Date: Mon, 10 Feb 2014 18:35:48 +0800 Message-Id: <1392028554-32545-3-git-send-email-wens@csie.org> X-Mailer: git-send-email 1.9.rc1 In-Reply-To: <1392028554-32545-1-git-send-email-wens@csie.org> References: <1392028554-32545-1-git-send-email-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The GMAC uses 1 of 2 sources for its transmit clock, depending on the PHY interface mode. Add both sources as dummy clocks, and as parents to the GMAC clock node. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun7i-a20.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index 4fbe530..dd567ea 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -322,6 +322,34 @@ }; /* + * The following two are dummy clocks, placeholders used in the gmac_tx + * clock. The gmac driver will choose one parent depending on the PHY + * interface mode, using clk_set_rate auto-reparenting. + * The actual TX clock rate is not controlled by the gmac_tx clock. + */ + mii_phy_tx_clk: clk@2 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; + clock-output-names = "mii_phy_tx"; + }; + + gmac_int_tx_clk: clk@3 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <125000000>; + clock-output-names = "gmac_int_tx"; + }; + + gmac_tx_clk: clk@01c20164 { + #clock-cells = <0>; + compatible = "allwinner,sun7i-a20-gmac-clk"; + reg = <0x01c20164 0x4>; + clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>; + clock-output-names = "gmac_tx"; + }; + + /* * Dummy clock used by output clocks */ osc24M_32k: clk@1 { -- 1.9.rc1 -- 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/