Message ID | 1563393026-17118-2-git-send-email-wahrenst@gmx.net (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D1478138B for <patchwork-linux-arm@patchwork.kernel.org>; Wed, 17 Jul 2019 19:53:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1AA5271E6 for <patchwork-linux-arm@patchwork.kernel.org>; Wed, 17 Jul 2019 19:53:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B560F28685; Wed, 17 Jul 2019 19:53:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5DA30287BE for <patchwork-linux-arm@patchwork.kernel.org>; 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Wed, 17 Jul 2019 19:53:07 +0000 Received: from mout.gmx.net ([212.227.17.20]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hnpx3-0002tM-0H; Wed, 17 Jul 2019 19:51:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1563393040; bh=/s7RMumfEwstl7olzGA0BrPMCx0k4sO1vVXkkHXi5NQ=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=DQT9SRiMDY7EAJx0y1jQ+KIpPbedDgA05TuwXyNBsdyuz8S3/IpJO7C73eBBy6EKT tWvFg8Owi3d0OcWxcyPao7tx2uQGZ9cn11tc12IyRA1TEJMl74p3rtyPEQdmd7Y+lS o3D4ofiQsDUu27r2XV5+s1XIacAXV7DadXDYgUDk= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([37.4.249.103]) by mail.gmx.com (mrgmx101 [212.227.17.168]) with ESMTPSA (Nemesis) id 0LwW8p-1iW7LU49CJ-018I3U; Wed, 17 Jul 2019 21:50:40 +0200 From: Stefan Wahren <wahrenst@gmx.net> To: Eric Anholt <eric@anholt.net>, Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, Nicolas Saenz Julienne <nsaenzjulienne@suse.de>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Linus Walleij <linus.walleij@linaro.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>, Adrian Hunter <adrian.hunter@intel.com>, Mark Brown <broonie@kernel.org> Subject: [PATCH RFC 01/18] ARM: bcm283x: Reduce register ranges for UART, SPI and I2C Date: Wed, 17 Jul 2019 21:50:09 +0200 Message-Id: <1563393026-17118-2-git-send-email-wahrenst@gmx.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1563393026-17118-1-git-send-email-wahrenst@gmx.net> References: <1563393026-17118-1-git-send-email-wahrenst@gmx.net> X-Provags-ID: V03:K1:CJ8wET5URohu2KkeXrcHhHmDGXGjU8/uihiC24UzNWPG8WPnILf MfvakcJvuZMx9UYZpnoVxqjUjj9CFUPr9HYpW6wquTSG8xiks3u6xDlibcCFNAeVhnDuFPt PU3dL773rKuf1yzm9BsVVJgJScV2VvCZtN8VVDCjxyJuGIR+TVfkYtLbk8Zf9S0Fz38QO5W Vdiv7O8Pi4EOwg6UBF2bw== X-UI-Out-Filterresults: notjunk:1;V03:K0:tseAc+LVRIM=:cZ8AUJyQf/pMWFJC1pvF3B hPcGoFpHwxoX+DpKZ8sE95r/GV5N/Jj1xSw/ePw/hpvVGBdWUYHecfFO2CYtaTOYG60sHAgVs IWrLdqlISLsm+pjLnEwJaux78AyX/98ndTWzcvuOFjj+grV4um8qMVHsbaJLqtWh2098rv3Bc MK6+SnhAtW8XWk43KAlAb3UDqtYQkBEYmIdmL6N2KMovL6AwDz+4MDc59BWViwCKBN7P/QakF N30QI2Aa6e5btOUMhlgw/TcXue2vqnkk/46dThDehB+tRzbmbMFC1ugCg7xYr+3Rqx6Qo45U3 cE84UAXceqqK+c32ZlhimUgu/0ShIhaVb+6EYSadiWbV2u68X0/yDue7YavVnT0kwi0zmueuF s9VUCO3xu40ZETp7lIN2WzQWuiVfmoLaz2jBsumEUF6omT2ePfMMzE3t3p7FfC/tba6XRhDum 8sYwVfRXGsPD3rCtVjKwLlHef8FBACIIOT7kv5iAdbDSs8qw3WzQ2JHcyGC3MxCECqJnpdhQG mwyeUhkb3we70Z83/6rCGhAPudd9orsgoD+Get9DOP93RXsTMJSFQhY8YctYdS/0PdQfIZyFu J5b7edClUN97ecMDl41d8tk152BE/wwo8MdBoUa8g24rl1+1BlwWrc1zSlkZD5c0C9uCtdPIB ZjeYOpHXLmFznEjTXhDTpn4U2XW7RVc9g+D2cSoQdmv2tRUg+xhNkLtbnlEcUNUkx1OcxaHiC 5yFqVHYmJv6Qilt7lwd6X+c1zUsfRnOBifBd9N+rjZ9R/RBXu7GQhjY61w8LpkAfmZaLjvcvB axFvv3lWDEwmifet47dgKooTblXd/ykOdXx3kBPQLwUbKK4opFrKQE0MctT1trFOQ4iRCAeUv vMPcB6dPzOm3IjB5EK+JbDzyQ8Irz9gJ/DVr3du1/UufdQ5mhAyHg4Mc+u4NAarYOJ5APnC4V aGmTyO1c8dXuAAT3gR+8aNk+6rXU7Bfbw7hGqYlA9qprlOxSKivfNt4lPUP8YdZQOl1QSUNAO 1UT29IYmOFgt02uDfUd8gODihZYYI3FERshOmkfW/ANYtvTK/GRRpQrkpDtd9hFkmzX/fEiba LBvZlDz3MZ6CL4= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190717_125057_338988_12702098 X-CRM114-Status: GOOD ( 11.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Stefan Wahren <wahrenst@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
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ARM: Add minimal Raspberry Pi 4 support
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diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 4b21ddb..2d191fc 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -397,7 +397,7 @@ uart0: serial@7e201000 { compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell"; - reg = <0x7e201000 0x1000>; + reg = <0x7e201000 0x200>; interrupts = <2 25>; clocks = <&clocks BCM2835_CLOCK_UART>, <&clocks BCM2835_CLOCK_VPU>; @@ -428,7 +428,7 @@ spi: spi@7e204000 { compatible = "brcm,bcm2835-spi"; - reg = <0x7e204000 0x1000>; + reg = <0x7e204000 0x200>; interrupts = <2 22>; clocks = <&clocks BCM2835_CLOCK_VPU>; dmas = <&dma 6>, <&dma 7>; @@ -440,7 +440,7 @@ i2c0: i2c@7e205000 { compatible = "brcm,bcm2835-i2c"; - reg = <0x7e205000 0x1000>; + reg = <0x7e205000 0x200>; interrupts = <2 21>; clocks = <&clocks BCM2835_CLOCK_VPU>; #address-cells = <1>;
The assigned register ranges for UART, SPI and I2C were too wasteful. In order to avoid overlapping with the new functions on BCM2838 reduce the ranges. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> --- arch/arm/boot/dts/bcm283x.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) -- 2.7.4