From: Stephen Boyd <sboyd@codeaurora.org> To: linux-arm-msm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mike Turquette <mturquette@linaro.org> Subject: [RFC/PATCH 11/12] cpufreq: Add module to register cpufreq-krait device Date: Tue, 24 Jun 2014 17:06:22 -0700 [thread overview] Message-ID: <1403654783-7176-12-git-send-email-sboyd@codeaurora.org> (raw) In-Reply-To: <1403654783-7176-1-git-send-email-sboyd@codeaurora.org> Register a cpufreq-krait device whenever we detect that a "qcom,krait" compatible CPU is present in DT. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> --- drivers/cpufreq/Kconfig.arm | 8 +++++++ drivers/cpufreq/Makefile | 1 + drivers/cpufreq/qcom-cpufreq.c | 48 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 57 insertions(+) create mode 100644 drivers/cpufreq/qcom-cpufreq.c diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index ebac67115009..cbc5643b3ecf 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -128,6 +128,14 @@ config ARM_OMAP2PLUS_CPUFREQ depends on ARCH_OMAP2PLUS default ARCH_OMAP2PLUS +config ARM_QCOM_CPUFREQ + tristate "Qualcomm based" + depends on ARCH_QCOM + help + This adds the CPUFreq driver for Qualcomm SoC based boards. + + If in doubt, say N. + config ARM_S3C_CPUFREQ bool help diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index f5c9f68dcc0f..6b8917ba4b6e 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -62,6 +62,7 @@ obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o obj-$(CONFIG_ARM_INTEGRATOR) += integrator-cpufreq.o obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o +obj-$(CONFIG_ARM_QCOM_CPUFREQ) += qcom-cpufreq.o obj-$(CONFIG_PXA25x) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA27x) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o diff --git a/drivers/cpufreq/qcom-cpufreq.c b/drivers/cpufreq/qcom-cpufreq.c new file mode 100644 index 000000000000..71f4387734d0 --- /dev/null +++ b/drivers/cpufreq/qcom-cpufreq.c @@ -0,0 +1,48 @@ +/* Copyright (c) 2014, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/cpu.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/err.h> + +static int qcom_cpufreq_driver_init(void) +{ + struct platform_device_info devinfo = { .name = "cpufreq-krait", }; + struct device *cpu_dev; + struct device_node *np; + struct platform_device *pdev; + + cpu_dev = get_cpu_device(0); + if (!cpu_dev) + return -ENODEV; + + np = of_node_get(cpu_dev->of_node); + if (!np) + return -ENOENT; + + if (!of_device_is_compatible(np, "qcom,krait")) { + of_node_put(np); + return -ENODEV; + } + of_node_put(np); + + pdev = platform_device_register_full(&devinfo); + + return PTR_ERR_OR_ZERO(pdev); +} +module_init(qcom_cpufreq_driver_init); + +MODULE_DESCRIPTION("Qualcomm CPUfreq driver"); +MODULE_LICENSE("GPL v2"); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd) To: linux-arm-kernel@lists.infradead.org Subject: [RFC/PATCH 11/12] cpufreq: Add module to register cpufreq-krait device Date: Tue, 24 Jun 2014 17:06:22 -0700 [thread overview] Message-ID: <1403654783-7176-12-git-send-email-sboyd@codeaurora.org> (raw) In-Reply-To: <1403654783-7176-1-git-send-email-sboyd@codeaurora.org> Register a cpufreq-krait device whenever we detect that a "qcom,krait" compatible CPU is present in DT. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> --- drivers/cpufreq/Kconfig.arm | 8 +++++++ drivers/cpufreq/Makefile | 1 + drivers/cpufreq/qcom-cpufreq.c | 48 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 57 insertions(+) create mode 100644 drivers/cpufreq/qcom-cpufreq.c diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index ebac67115009..cbc5643b3ecf 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -128,6 +128,14 @@ config ARM_OMAP2PLUS_CPUFREQ depends on ARCH_OMAP2PLUS default ARCH_OMAP2PLUS +config ARM_QCOM_CPUFREQ + tristate "Qualcomm based" + depends on ARCH_QCOM + help + This adds the CPUFreq driver for Qualcomm SoC based boards. + + If in doubt, say N. + config ARM_S3C_CPUFREQ bool help diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index f5c9f68dcc0f..6b8917ba4b6e 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -62,6 +62,7 @@ obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o obj-$(CONFIG_ARM_INTEGRATOR) += integrator-cpufreq.o obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o +obj-$(CONFIG_ARM_QCOM_CPUFREQ) += qcom-cpufreq.o obj-$(CONFIG_PXA25x) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA27x) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o diff --git a/drivers/cpufreq/qcom-cpufreq.c b/drivers/cpufreq/qcom-cpufreq.c new file mode 100644 index 000000000000..71f4387734d0 --- /dev/null +++ b/drivers/cpufreq/qcom-cpufreq.c @@ -0,0 +1,48 @@ +/* Copyright (c) 2014, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/cpu.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/err.h> + +static int qcom_cpufreq_driver_init(void) +{ + struct platform_device_info devinfo = { .name = "cpufreq-krait", }; + struct device *cpu_dev; + struct device_node *np; + struct platform_device *pdev; + + cpu_dev = get_cpu_device(0); + if (!cpu_dev) + return -ENODEV; + + np = of_node_get(cpu_dev->of_node); + if (!np) + return -ENOENT; + + if (!of_device_is_compatible(np, "qcom,krait")) { + of_node_put(np); + return -ENODEV; + } + of_node_put(np); + + pdev = platform_device_register_full(&devinfo); + + return PTR_ERR_OR_ZERO(pdev); +} +module_init(qcom_cpufreq_driver_init); + +MODULE_DESCRIPTION("Qualcomm CPUfreq driver"); +MODULE_LICENSE("GPL v2"); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2014-06-25 0:06 UTC|newest] Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-06-25 0:06 [RFC/PATCH 00/12] Krait clocks + Krait CPUfreq Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 01/12] ARM: Add Krait L2 register accessor functions Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 02/12] clk: Add safe switch hook Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-07-29 6:05 ` Mike Turquette 2014-07-29 6:05 ` Mike Turquette 2014-07-29 8:59 ` Thomas Abraham 2014-07-29 8:59 ` Thomas Abraham 2014-07-29 8:59 ` Thomas Abraham 2014-09-10 1:44 ` dbasehore . 2014-09-10 1:44 ` dbasehore . 2014-09-10 1:44 ` dbasehore . 2014-06-25 0:06 ` [RFC/PATCH 03/12] clk: qcom: Add support for muxes, dividers, and mux dividers Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-07-14 10:06 ` pramod gurav 2014-07-14 10:06 ` pramod gurav 2014-06-25 0:06 ` [RFC/PATCH 04/12] clk: qcom: Add support for High-Frequency PLLs (HFPLLs) Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 05/12] clk: qcom: Add HFPLL driver Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 06/12] clk: qcom: Add MSM8960's HFPLLs Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-07-14 10:19 ` pramod gurav 2014-07-14 10:19 ` pramod gurav 2014-06-25 0:06 ` [RFC/PATCH 07/12] clk: qcom: Add support for Krait clocks Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 08/12] clk: qcom: Add KPSS ACC/GCC driver Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 09/12] clk: qcom: Add Krait clock controller driver Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-07-14 10:25 ` pramod gurav 2014-07-14 10:25 ` pramod gurav 2014-06-25 0:06 ` [RFC/PATCH 10/12] cpufreq: Add a cpufreq-krait based on cpufreq-cpu0 Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-06-25 0:52 ` Stephen Boyd 2014-06-25 0:52 ` Stephen Boyd 2014-06-25 8:47 ` Viresh Kumar 2014-06-25 8:47 ` Viresh Kumar 2014-06-25 8:47 ` Viresh Kumar 2014-06-25 0:06 ` Stephen Boyd [this message] 2014-06-25 0:06 ` [RFC/PATCH 11/12] cpufreq: Add module to register cpufreq-krait device Stephen Boyd 2014-06-25 0:06 ` [RFC/PATCH 12/12] ARM: dts: qcom: Add necessary DT data for Krait cpufreq Stephen Boyd 2014-06-25 0:06 ` Stephen Boyd 2014-07-15 10:33 ` [RFC/PATCH 00/12] Krait clocks + Krait CPUfreq pramod gurav 2014-07-15 10:33 ` pramod gurav
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1403654783-7176-12-git-send-email-sboyd@codeaurora.org \ --to=sboyd@codeaurora.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=mturquette@linaro.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.