Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755344Ab3DTNP5 (ORCPT ); Sat, 20 Apr 2013 09:15:57 -0400 Received: from mail.df.lth.se ([194.47.250.12]:56976 "EHLO mail.df.lth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755192Ab3DTNPa (ORCPT ); Sat, 20 Apr 2013 09:15:30 -0400 From: Linus Walleij To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Linus Walleij Subject: [PATCH 4/4] ARM: nomadik: register clocksource from device tree Date: Sat, 20 Apr 2013 15:08:47 +0200 Message-Id: <1366463327-10025-1-git-send-email-linus.walleij@linaro.org> X-Mailer: git-send-email 1.7.2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3997 Lines: 127 This switches the Nomadik platform to also registering its clocksource from the device tree, removing unused support code as we go along. Signed-off-by: Linus Walleij --- arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 11 ++++++++--- arch/arm/mach-nomadik/Kconfig | 1 + arch/arm/mach-nomadik/cpu-8815.c | 6 +++--- drivers/clk/clk-nomadik.c | 15 --------------- 4 files changed, 12 insertions(+), 21 deletions(-) diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index f0df948..51a33e0 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -21,18 +21,23 @@ cache-level = <2>; }; - mtu0 { + mtu0: mtu@101e2000 { /* Nomadik system timer */ + compatible = "st,nomadik-mtu"; reg = <0x101e2000 0x1000>; interrupt-parent = <&vica>; interrupts = <4>; + clocks = <&timclk>, <&pclk>; + clock-names = "timclk", "apb_pclk"; }; - mtu1 { + mtu1: mtu@101e3000 { /* Secondary timer */ reg = <0x101e3000 0x1000>; interrupt-parent = <&vica>; interrupts = <5>; + clocks = <&timclk>, <&pclk>; + clock-names = "timclk", "apb_pclk"; }; gpio0: gpio@101e4000 { @@ -101,7 +106,7 @@ pclk: pclk@0 { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <2400000>; + clock-frequency = <0>; }; /* * The 2.4 MHz TIMCLK reference clock is active at diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig index 8c1ccd4..4eafec3 100644 --- a/arch/arm/mach-nomadik/Kconfig +++ b/arch/arm/mach-nomadik/Kconfig @@ -6,6 +6,7 @@ config ARCH_NOMADIK select ARM_VIC select CLKSRC_NOMADIK_MTU select CLKSRC_NOMADIK_MTU_SCHED_CLOCK + select CLKSRC_OF select COMMON_CLK select CPU_ARM926T select GENERIC_CLOCKEVENTS diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 0e2c5e0..e73a71f7 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -29,7 +29,7 @@ #include #include #include -#include +#include #include #include #include @@ -172,7 +172,7 @@ static void __init cpu8815_timer_init_of(void) /* We need this to be up now */ nomadik_clk_init(); - mtu = of_find_node_by_path("/mtu0"); + mtu = of_find_node_by_path("/mtu@101e2000"); if (!mtu) return; base = of_iomap(mtu, 0); @@ -188,7 +188,7 @@ static void __init cpu8815_timer_init_of(void) src_cr |= SRC_CR_INIT_VAL; writel(src_cr, base); - nmdk_timer_init(base, irq); + clocksource_of_init(); } static struct fsmc_nand_timings cpu8815_nand_timings = { diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 19f197c..4a1ab27 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -17,20 +17,5 @@ static const __initconst struct of_device_id cpu8815_clk_match[] = { void __init nomadik_clk_init(void) { - struct clk *clk; - - clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0); - clk_register_clkdev(clk, "apb_pclk", NULL); - - /* - * The 2.4 MHz TIMCLK reference clock is active at boot time, this is - * actually the MXTALCLK @19.2 MHz divided by 8. This clock is used - * by the timers and watchdog. See page 105 ff. - */ - clk = clk_register_fixed_rate(NULL, "TIMCLK", NULL, CLK_IS_ROOT, - 2400000); - clk_register_clkdev(clk, NULL, "mtu0"); - clk_register_clkdev(clk, NULL, "mtu1"); - of_clk_init(cpu8815_clk_match); } -- 1.8.1.4 -- 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/