From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49CA9C3A5A4 for ; Sun, 1 Sep 2019 04:37:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 174E22190F for ; Sun, 1 Sep 2019 04:37:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hZrvtxg+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 174E22190F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sntech.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VYVOwDoacA4Hs0DsiKlA157M86EWxTK4+hf/fwiL6YA=; b=hZrvtxg+TzSvep KizrqB94nuVi2XFFgfSm5ycY+VKCiqiA6v6132Du6OnIcnWNKv9DZX2b0rT90kuu/G9PPmeWkhJQH IwXrkjCae/rLxG/W8DvJbzcxC2HTeANioooQybT7UOd2prrdPe6f6dofs7ibxtnfEVYjAyxbjSAsf 7NB4mjHMWd3MGm3+WszC3b2ovBGslpPAiwfeXa5I1A2FpqA192troGiekfcAFhTdrDawr/wpwvx0b MlDiikmpj92wJWkZYMilWX7pAff5AbgrVfRVMharFcJR1iSf7L0fVnlJNHJTcnccLLJe4ApJKx1wC OZ1DZGA5NfghLZmVI5lA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i4Hbv-0002ae-Ls; Sun, 01 Sep 2019 04:37:07 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i4Hbo-0002Z6-GK; Sun, 01 Sep 2019 04:37:03 +0000 Received: from [88.128.80.103] (helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1i4Hbi-00042y-2b; Sun, 01 Sep 2019 06:36:55 +0200 From: Heiko Stuebner To: Elon Zhang Subject: Re: [PATCH v2 1/1] arm64: dts: rockchip: Add support for TB-96AI board Date: Sun, 01 Sep 2019 06:36:41 +0200 Message-ID: <3671433.J3OatT8Kjo@phil> In-Reply-To: <20190805015755.26017-1-zhangzj@rock-chips.com> References: <20190805015755.26017-1-zhangzj@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190831_213700_850326_EA1CEB52 X-CRM114-Status: GOOD ( 23.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, manivannan.sadhasivam@linaro.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Elon, Am Montag, 5. August 2019, 03:57:55 CEST schrieb Elon Zhang: > Add devicetree support for RK3399Pro TB-96AI board, one of > the 96Boards family. > > The TB-96AI board is a 96Boards Compute SOM design, launched > by Linaro, Rockchip and Beiqicloud. > > More information can be obtained from the following websites: > 1.https://www.96boards.org/product/tb-96ai/ > 2.http://t.rock-chips.com/ > 3.http://www.beiqicloud.com/ > > This patch add basic node for the board and support booting up > to Fedora. > > Signed-off-by: Elon Zhang > --- > changes since v1: > - remove needless node > - using a standard LED formats for 96Boards > > arch/arm64/boot/dts/rockchip/Makefile | 1 + > .../boot/dts/rockchip/rk3399pro-tb-96ai.dts | 560 ++++++++++++++++++ > 2 files changed, 561 insertions(+) > create mode 100644 arch/arm64/boot/dts/rockchip/rk3399pro-tb-96ai.dts > > diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile > index 5f2687acbf94..3d6c8d4363b5 100644 > --- a/arch/arm64/boot/dts/rockchip/Makefile > +++ b/arch/arm64/boot/dts/rockchip/Makefile > @@ -27,3 +27,4 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock960.dtb > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb > +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-tb-96ai.dtb > diff --git a/arch/arm64/boot/dts/rockchip/rk3399pro-tb-96ai.dts b/arch/arm64/boot/dts/rockchip/rk3399pro-tb-96ai.dts > new file mode 100644 > index 000000000000..767b37b854ba > --- /dev/null > +++ b/arch/arm64/boot/dts/rockchip/rk3399pro-tb-96ai.dts > @@ -0,0 +1,560 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd. > + */ > + > +/dts-v1/; > +#include "rk3399pro.dtsi" > +#include "rk3399-opp.dtsi" > + > +/ { > + compatible = "beiqi,rk3399pro-tb-96ai", "rockchip,rk3399pro"; > + > + chosen { > + stdout-path = "serial2:1500000n8"; > + }; > + > + xin32k: xin32k { > + compatible = "fixed-clock"; > + clock-frequency = <32768>; > + clock-output-names = "xin32k"; > + #clock-cells = <0>; > + }; I would guess this 32kHz clock does originate from the rk809 below? If so please simply adjust the clock-output-names in it, so that it sources correctly. > + > + vcc5v0_sys: vccsys { > + compatible = "regulator-fixed"; > + regulator-name = "vcc5v0_sys"; > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + }; Please always try to construct a full regulator tree. (see debugfs/regulator/regulator_summary) Part of me doesn't want to believe that vcc5v0_sys is the root regulator getting the outside power supply ;-) . > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&work_led1>,<&work_led2>,<&work_led3>; > + > + work_led1 { > + gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; > + label = "system_work_led1"; > + retain-state-suspended; > + }; > + > + work_led2 { > + gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>; > + label = "system_work_led2"; > + retain-state-suspended; > + }; > + > + work_led3 { > + gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; > + label = "system_work_led3"; > + retain-state-suspended; > + }; > + }; > +}; > + > +&cpu_l0 { > + cpu-supply = <&vdd_cpu_l>; > +}; > + > +&cpu_l1 { > + cpu-supply = <&vdd_cpu_l>; > +}; > + > +&cpu_l2 { > + cpu-supply = <&vdd_cpu_l>; > +}; > + > +&cpu_l3 { > + cpu-supply = <&vdd_cpu_l>; > +}; > + > +&cpu_b0 { > + cpu-supply = <&vdd_cpu_b>; > +}; > + > +&cpu_b1 { > + cpu-supply = <&vdd_cpu_b>; > +}; > + > +&emmc_phy { > + status = "okay"; > +}; > + > +&i2c0 { > + status = "okay"; > + i2c-scl-rising-time-ns = <180>; > + i2c-scl-falling-time-ns = <30>; > + clock-frequency = <400000>; > + > + rk809: pmic@20 { > + compatible = "rockchip,rk809"; > + reg = <0x20>; > + interrupt-parent = <&gpio1>; > + interrupts = ; > + pinctrl-names = "default", "pmic-sleep", > + "pmic-power-off", "pmic-reset"; > + pinctrl-0 = <&pmic_int_l>; > + pinctrl-1 = <&soc_slppin_slp>, <&rk809_slppin_slp>; > + pinctrl-2 = <&soc_slppin_gpio>, <&rk809_slppin_pwrdn>; > + pinctrl-3 = <&soc_slppin_gpio>,<&rk809_slppin_null>; > + rockchip,system-power-controller; > + pmic-reset-func = <1>; That is not part of the binding I think > + wakeup-source; > + #clock-cells = <1>; > + clock-output-names = "rk808-clkout1", "rk808-clkout2"; > + > + vcc1-supply = <&vcc5v0_sys>; > + vcc2-supply = <&vcc5v0_sys>; > + vcc3-supply = <&vcc5v0_sys>; > + vcc4-supply = <&vcc5v0_sys>; > + vcc5-supply = <&vcc_buck5>; > + vcc6-supply = <&vcc_buck5>; > + vcc7-supply = <&vcc3v3_sys>; > + vcc8-supply = <&vcc3v3_sys>; > + vcc9-supply = <&vcc5v0_sys>; > + > + pwrkey { > + status = "okay"; > + }; > + > + rtc { > + status = "okay"; > + }; There is no binding for either pwrkey nor rtc subnodes and I think the rtc device is just created in any case, so you should just drop these nodes. > + pinctrl_rk8xx: pinctrl_rk8xx { > + gpio-controller; > + #gpio-cells = <2>; > + > + rk809_slppin_null: rk809_slppin_null { > + pins = "gpio_slp"; > + function = "pin_fun0"; > + }; > + > + rk809_slppin_slp: rk809_slppin_slp { > + pins = "gpio_slp"; > + function = "pin_fun1"; > + }; > + > + rk809_slppin_pwrdn: rk809_slppin_pwrdn { > + pins = "gpio_slp"; > + function = "pin_fun2"; > + }; > + > + rk809_slppin_rst: rk809_slppin_rst { > + pins = "gpio_slp"; > + function = "pin_fun3"; > + }; > + }; There is a binding for rk805 pinctrl, but it looks way different than this. Please adapt and if necessary submit binding+code for rk809 first. See Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt for reference. > + regulators { > + vdd_center: DCDC_REG1 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <750000>; > + regulator-max-microvolt = <1350000>; > + regulator-initial-mode = <0x2>; > + regulator-name = "vdd_center"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <900000>; > + }; > + }; > + > + vdd_cpu_l: DCDC_REG2 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <750000>; > + regulator-max-microvolt = <1350000>; > + regulator-ramp-delay = <6001>; > + regulator-initial-mode = <0x2>; > + regulator-name = "vdd_cpu_l"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_ddr: DCDC_REG3 { > + regulator-always-on; > + regulator-boot-on; > + regulator-name = "vcc_ddr"; > + regulator-initial-mode = <0x2>; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > + }; > + > + vcc3v3_sys: DCDC_REG4 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-initial-mode = <0x2>; > + regulator-name = "vcc3v3_sys"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <3300000>; > + }; > + }; > + > + vcc_buck5: DCDC_REG5 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <2200000>; > + regulator-max-microvolt = <2200000>; > + regulator-name = "vcc_buck5"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <2200000>; > + }; > + }; > + > + vcca_0v9: LDO_REG1 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <900000>; > + regulator-name = "vcca_0v9"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_1v8: LDO_REG2 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + > + regulator-name = "vcc_1v8"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <1800000>; > + }; > + }; > + > + vcc0v9_soc: LDO_REG3 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <900000>; > + > + regulator-name = "vcc0v9_soc"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <900000>; > + }; > + }; > + > + vcca_1v8: LDO_REG4 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + > + regulator-name = "vcca_1v8"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdd1v5_dvp: LDO_REG5 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1500000>; > + regulator-max-microvolt = <1500000>; > + > + regulator-name = "vdd1v5_dvp"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_1v5: LDO_REG6 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1500000>; > + regulator-max-microvolt = <1500000>; > + > + regulator-name = "vcc_1v5"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_3v0: LDO_REG7 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <3000000>; > + regulator-max-microvolt = <3000000>; > + > + regulator-name = "vcc_3v0"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vccio_sd: LDO_REG8 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + > + regulator-name = "vccio_sd"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <3300000>; > + }; > + }; > + > + vcc_sd: LDO_REG9 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + regulator-name = "vcc_sd"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <3300000>; > + }; > + }; > + > + vcc5v0_usb: SWITCH_REG1 { > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + > + regulator-name = "vcc5v0_usb"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vccio_3v3: SWITCH_REG2 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + regulator-name = "vccio_3v3"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + }; > + }; > + > + vdd_cpu_b: regulator@1c { > + compatible = "fcs,fan53555"; > + reg = <0x1c>; > + vin-supply = <&vcc5v0_sys>; > + pinctrl-0 = <&vsel1_gpio>; > + vsel-gpios = <&gpio1 RK_PC1 GPIO_ACTIVE_HIGH>; I don't think there is a vsel-gpios propety specified yet and the fan53555 driver cannot handle that pin yet. You could change that ;-) > + regulator-name = "vdd_cpu_b"; > + regulator-min-microvolt = <712500>; > + regulator-max-microvolt = <1500000>; > + regulator-ramp-delay = <2300>; > + fcs,suspend-voltage-selector = <1>; > + regulator-always-on; > + regulator-boot-on; > + regulator-initial-state = <3>; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdd_gpu: regulator@10 { > + compatible = "fcs,fan53555"; > + status = "okay"; > + reg = <0x10>; > + vin-supply = <&vcc5v0_sys>; > + pinctrl-0 = <&vsel2_gpio>; > + vsel-gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_HIGH>; > + regulator-name = "vdd_gpu"; > + regulator-min-microvolt = <735000>; > + regulator-max-microvolt = <1400000>; > + regulator-ramp-delay = <2300>; > + fcs,suspend-voltage-selector = <1>; > + regulator-always-on; > + regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > +}; > + > +&i2c8 { > + status = "okay"; > + i2c-scl-rising-time-ns = <345>; > + i2c-scl-falling-time-ns = <11>; > + clock-frequency = <100000>; > +}; > + > +&io_domains { > + status = "okay"; > + bt656-supply = <&vcca_1v8>; /* APIO2_VDD */ > + audio-supply = <&vcca_1v8>; /* APIO5_VDD */ > + sdmmc-supply = <&vccio_sd>; /* SDMMC0_VDD */ > + gpio1830-supply = <&vcc_1v8>; /* APIO4_VDD */ > +}; > + > +&pinctrl { > + pinctrl-names = "default"; > + pinctrl-0 = <&npu_ref_clk>; > + > + leds { > + work_led1: work_led1 { > + rockchip,pins = > + <2 5 RK_FUNC_GPIO &pcfg_pull_none>; > + }; > + > + work_led2: work_led2 { > + rockchip,pins = > + <2 4 RK_FUNC_GPIO &pcfg_pull_none>; > + }; > + > + work_led3: work_led3 { > + rockchip,pins = > + <2 3 RK_FUNC_GPIO &pcfg_pull_none>; > + }; > + }; > + > + npu_clk { > + npu_ref_clk: npu-ref-clk { > + rockchip,pins = > + <0 RK_PA2 1 &pcfg_pull_none>; > + }; > + }; > + > + pmic { > + pmic_int_l: pmic-int-l { > + rockchip,pins = > + <1 RK_PC2 0 &pcfg_pull_up>; > + }; > + > + soc_slppin_gpio: soc-slppin-gpio { > + rockchip,pins = > + <1 RK_PA5 0 &pcfg_output_low>; > + }; > + > + soc_slppin_slp: soc-slppin-slp { > + rockchip,pins = > + <1 RK_PA5 1 &pcfg_pull_down>; > + }; > + > + vsel1_gpio: vsel1-gpio { > + rockchip,pins = > + <1 RK_PC1 0 &pcfg_pull_down>; > + }; > + > + vsel2_gpio: vsel2-gpio { > + rockchip,pins = > + <1 RK_PB6 0 &pcfg_pull_down>; > + }; > + }; > + > + usb3 { > + usb3_host_en: usb3-host-en { > + rockchip,pins = > + <2 RK_PA2 RK_FUNC_GPIO &pcfg_output_high>; > + }; > + }; > +}; > + > +&pmu_io_domains { > + status = "okay"; > + pmu1830-supply = <&vcc_1v8>; > +}; > + > +&pwm0 { > + status = "okay"; > +}; > + > +&pwm2 { > + status = "okay"; > +}; > + > +&saradc { > + status = "okay"; > + vref-supply = <&vcc_1v8>; > +}; > + > +&sdhci { > + bus-width = <8>; > + mmc-hs400-1_8v; > + non-removable; > + keep-power-in-suspend; > + mmc-hs400-enhanced-strobe; > + status = "okay"; > +}; > + > +&tcphy1 { > + status = "okay"; > +}; > + > +&tsadc { > + rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */ > + rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */ > + status = "okay"; > +}; > + > +&u2phy1 { > + status = "okay"; > + > + u2phy1_otg: otg-port { > + status = "okay"; > + }; > + > + u2phy1_host: host-port { > + phy-supply = <&vcc5v0_usb>; > + status = "okay"; > + }; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_xfer &uart0_cts>; > + status = "okay"; > +}; > + > +&uart2 { > + status = "okay"; > +}; > + > +&uart4 { > + status = "okay"; > +}; > + > +&usb_host0_ehci { > + status = "okay"; > +}; > + > +&usb_host1_ehci { > + status = "okay"; > +}; > + > +&usb_host0_ohci { > + status = "okay"; > +}; > + > +&usb_host1_ohci { > + status = "okay"; > +}; > + > +&usbdrd3_1 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&usb3_host_en>; > +}; > + > +&usbdrd_dwc3_0 { > + status = "okay"; > +}; > + > +&usbdrd_dwc3_1 { > + snps,dis-u3-autosuspend-quirk; This property is neither part of the dwc3 driver, nor the dwc3 devicetree binding. > + status = "okay"; > +}; > + > Heiko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel