Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756424AbbGTTeK (ORCPT ); Mon, 20 Jul 2015 15:34:10 -0400 Received: from gabe.freedesktop.org ([131.252.210.177]:50906 "EHLO gabe.freedesktop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754292AbbGTTdY (ORCPT ); Mon, 20 Jul 2015 15:33:24 -0400 From: Eric Anholt To: linux-arm-kernel@lists.infradead.org Cc: linux-rpi-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stephen Warren , Lee Jones , linux-clk@vger.kernel.org, Stephen Boyd , Mike Turquette , Eric Anholt Subject: [PATCH v4 6/8] ARM: bcm2835: Use the RPi firmware clocks for uart. Date: Mon, 20 Jul 2015 12:33:05 -0700 Message-Id: <1437420787-32137-7-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1437420787-32137-1-git-send-email-eric@anholt.net> References: <1437420787-32137-1-git-send-email-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1548 Lines: 51 This gets us a correct apb_pclk, which previously was accidentally using the "20201000.uart" clock from clk-bcm2835.c, due to the fallback clk_get_sys() path. Signed-off-by: Eric Anholt Acked-by: Stephen Warren --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 7 +++++++ arch/arm/boot/dts/bcm2835.dtsi | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index 7cc47fb..9549eb8 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -1,3 +1,4 @@ +#include #include "bcm2835.dtsi" / { @@ -62,3 +63,9 @@ status = "okay"; bus-width = <4>; }; + +&uart0 { + clocks = <&firmware_clocks RPI_CLOCK_UART0>, + <&firmware_clocks RPI_CLOCK_CORE>; + clock-names = "uartclk", "apb_pclk"; +}; diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi index 32f5830..5be2862 100644 --- a/arch/arm/boot/dts/bcm2835.dtsi +++ b/arch/arm/boot/dts/bcm2835.dtsi @@ -92,7 +92,7 @@ #interrupt-cells = <2>; }; - uart@7e201000 { + uart0: uart@7e201000 { compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell"; reg = <0x7e201000 0x1000>; interrupts = <2 25>; -- 2.1.4 -- 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/