From mboxrd@z Thu Jan 1 00:00:00 1970 From: l.stach@pengutronix.de (Lucas Stach) Date: Fri, 19 Sep 2014 18:16:21 +0200 Subject: [PATCH 5/5] ARM: imx53: add cpufreq support In-Reply-To: <1411143381-10516-1-git-send-email-l.stach@pengutronix.de> References: <1411143381-10516-1-git-send-email-l.stach@pengutronix.de> Message-ID: <1411143381-10516-6-git-send-email-l.stach@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Instanciate the platform device for the generic cpufreq-cpu0 driver and add all required properties to the DT. Signed-off-by: Lucas Stach --- arch/arm/boot/dts/imx53.dtsi | 13 ++++++++++++- arch/arm/mach-imx/mach-imx53.c | 4 ++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index 64fa27b36be0..bd5226a7ea20 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -46,10 +46,21 @@ cpus { #address-cells = <1>; #size-cells = <0>; - cpu at 0 { + cpu0: cpu at 0 { device_type = "cpu"; compatible = "arm,cortex-a8"; reg = <0x0>; + clocks = <&clks IMX5_CLK_ARM>; + clock-latency = <61036>; + voltage-tolerance = <5>; + operating-points = < + /* kHz */ + 166666 850000 + 400000 900000 + 800000 1050000 + 1000000 1200000 + 1200000 1300000 + >; }; }; diff --git a/arch/arm/mach-imx/mach-imx53.c b/arch/arm/mach-imx/mach-imx53.c index 03dd6ea13acc..4eb6849c52d2 100644 --- a/arch/arm/mach-imx/mach-imx53.c +++ b/arch/arm/mach-imx/mach-imx53.c @@ -38,9 +38,13 @@ static void __init imx53_dt_init(void) imx_aips_allow_unprivileged_access("fsl,imx53-aipstz"); } +static struct platform_device imx53_cpufreq_pdev = { .name = "cpufreq-cpu0", }; + static void __init imx53_init_late(void) { imx53_pm_init(); + + platform_device_register(&imx53_cpufreq_pdev); } static const char * const imx53_dt_board_compat[] __initconst = { -- 2.1.0