To compile this driver as a module, choose M here: the module
will be called intel-uncore-frequency.
-config INTEL_BXTWC_PMIC_TMU
- tristate "Intel BXT Whiskey Cove TMU Driver"
- depends on REGMAP
- depends on MFD_INTEL_PMC_BXT
- depends on INTEL_SOC_PMIC_BXTWC
- help
- Select this driver to use Intel BXT Whiskey Cove PMIC TMU feature.
- This driver enables the alarm wakeup functionality in the TMU unit
- of Whiskey Cove PMIC.
-
config INTEL_CHTDC_TI_PWRBTN
tristate "Intel Cherry Trail Dollar Cove TI power button driver"
depends on INTEL_SOC_PMIC_CHTDC_TI
obj-$(CONFIG_INTEL_UNCORE_FREQ_CONTROL) += intel-uncore-frequency.o
# Intel PMIC / PMC / P-Unit devices
-obj-$(CONFIG_INTEL_BXTWC_PMIC_TMU) += intel_bxtwc_tmu.o
obj-$(CONFIG_INTEL_CHTDC_TI_PWRBTN) += intel_chtdc_ti_pwrbtn.o
obj-$(CONFIG_INTEL_MRFLD_PWRBTN) += intel_mrfld_pwrbtn.o
obj-$(CONFIG_INTEL_PMC_CORE) += intel_pmc_core.o intel_pmc_core_pltdrv.o
source "drivers/platform/x86/intel/int3472/Kconfig"
source "drivers/platform/x86/intel/pmt/Kconfig"
+config INTEL_BXTWC_PMIC_TMU
+ tristate "Intel Broxton Whiskey Cove TMU Driver"
+ depends on INTEL_SOC_PMIC_BXTWC
+ depends on MFD_INTEL_PMC_BXT
+ select REGMAP
+ help
+ Select this driver to use Intel Broxton Whiskey Cove PMIC TMU feature.
+ This driver enables the alarm wakeup functionality in the TMU unit of
+ Whiskey Cove PMIC.
+
endif # X86_PLATFORM_DRIVERS_INTEL
obj-$(CONFIG_INTEL_CHT_INT33FE) += int33fe/
obj-$(CONFIG_INTEL_SKL_INT3472) += int3472/
obj-$(CONFIG_INTEL_PMT_CLASS) += pmt/
+
+# Intel PMIC / PMC / P-Unit drivers
+intel_bxtwc_tmu-y := bxtwc_tmu.o
+obj-$(CONFIG_INTEL_BXTWC_PMIC_TMU) += intel_bxtwc_tmu.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Intel BXT Whiskey Cove PMIC TMU driver
+ *
+ * Copyright (C) 2016 Intel Corporation. All rights reserved.
+ *
+ * This driver adds TMU (Time Management Unit) support for Intel BXT platform.
+ * It enables the alarm wake-up functionality in the TMU unit of Whiskey Cove
+ * PMIC.
+ */
+
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/intel_soc_pmic.h>
+
+#define BXTWC_TMUIRQ 0x4fb6
+#define BXTWC_MIRQLVL1 0x4e0e
+#define BXTWC_MTMUIRQ_REG 0x4fb7
+#define BXTWC_MIRQLVL1_MTMU BIT(1)
+#define BXTWC_TMU_WK_ALRM BIT(1)
+#define BXTWC_TMU_SYS_ALRM BIT(2)
+#define BXTWC_TMU_ALRM_MASK (BXTWC_TMU_WK_ALRM | BXTWC_TMU_SYS_ALRM)
+#define BXTWC_TMU_ALRM_IRQ (BXTWC_TMU_WK_ALRM | BXTWC_TMU_SYS_ALRM)
+
+struct wcove_tmu {
+ int irq;
+ struct device *dev;
+ struct regmap *regmap;
+};
+
+static irqreturn_t bxt_wcove_tmu_irq_handler(int irq, void *data)
+{
+ struct wcove_tmu *wctmu = data;
+ unsigned int tmu_irq;
+
+ /* Read TMU interrupt reg */
+ regmap_read(wctmu->regmap, BXTWC_TMUIRQ, &tmu_irq);
+ if (tmu_irq & BXTWC_TMU_ALRM_IRQ) {
+ /* clear TMU irq */
+ regmap_write(wctmu->regmap, BXTWC_TMUIRQ, tmu_irq);
+ return IRQ_HANDLED;
+ }
+ return IRQ_NONE;
+}
+
+static int bxt_wcove_tmu_probe(struct platform_device *pdev)
+{
+ struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
+ struct regmap_irq_chip_data *regmap_irq_chip;
+ struct wcove_tmu *wctmu;
+ int ret, virq, irq;
+
+ wctmu = devm_kzalloc(&pdev->dev, sizeof(*wctmu), GFP_KERNEL);
+ if (!wctmu)
+ return -ENOMEM;
+
+ wctmu->dev = &pdev->dev;
+ wctmu->regmap = pmic->regmap;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
+ regmap_irq_chip = pmic->irq_chip_data_tmu;
+ virq = regmap_irq_get_virq(regmap_irq_chip, irq);
+ if (virq < 0) {
+ dev_err(&pdev->dev,
+ "failed to get virtual interrupt=%d\n", irq);
+ return virq;
+ }
+
+ ret = devm_request_threaded_irq(&pdev->dev, virq,
+ NULL, bxt_wcove_tmu_irq_handler,
+ IRQF_ONESHOT, "bxt_wcove_tmu", wctmu);
+ if (ret) {
+ dev_err(&pdev->dev, "request irq failed: %d,virq: %d\n",
+ ret, virq);
+ return ret;
+ }
+ wctmu->irq = virq;
+
+ /* Unmask TMU second level Wake & System alarm */
+ regmap_update_bits(wctmu->regmap, BXTWC_MTMUIRQ_REG,
+ BXTWC_TMU_ALRM_MASK, 0);
+
+ platform_set_drvdata(pdev, wctmu);
+ return 0;
+}
+
+static int bxt_wcove_tmu_remove(struct platform_device *pdev)
+{
+ struct wcove_tmu *wctmu = platform_get_drvdata(pdev);
+ unsigned int val;
+
+ /* Mask TMU interrupts */
+ regmap_read(wctmu->regmap, BXTWC_MIRQLVL1, &val);
+ regmap_write(wctmu->regmap, BXTWC_MIRQLVL1,
+ val | BXTWC_MIRQLVL1_MTMU);
+ regmap_read(wctmu->regmap, BXTWC_MTMUIRQ_REG, &val);
+ regmap_write(wctmu->regmap, BXTWC_MTMUIRQ_REG,
+ val | BXTWC_TMU_ALRM_MASK);
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int bxtwc_tmu_suspend(struct device *dev)
+{
+ struct wcove_tmu *wctmu = dev_get_drvdata(dev);
+
+ enable_irq_wake(wctmu->irq);
+ return 0;
+}
+
+static int bxtwc_tmu_resume(struct device *dev)
+{
+ struct wcove_tmu *wctmu = dev_get_drvdata(dev);
+
+ disable_irq_wake(wctmu->irq);
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(bxtwc_tmu_pm_ops, bxtwc_tmu_suspend, bxtwc_tmu_resume);
+
+static const struct platform_device_id bxt_wcove_tmu_id_table[] = {
+ { .name = "bxt_wcove_tmu" },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, bxt_wcove_tmu_id_table);
+
+static struct platform_driver bxt_wcove_tmu_driver = {
+ .probe = bxt_wcove_tmu_probe,
+ .remove = bxt_wcove_tmu_remove,
+ .driver = {
+ .name = "bxt_wcove_tmu",
+ .pm = &bxtwc_tmu_pm_ops,
+ },
+ .id_table = bxt_wcove_tmu_id_table,
+};
+
+module_platform_driver(bxt_wcove_tmu_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Nilesh Bacchewar <nilesh.bacchewar@intel.com>");
+MODULE_DESCRIPTION("BXT Whiskey Cove TMU Driver");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Intel BXT Whiskey Cove PMIC TMU driver
- *
- * Copyright (C) 2016 Intel Corporation. All rights reserved.
- *
- * This driver adds TMU (Time Management Unit) support for Intel BXT platform.
- * It enables the alarm wake-up functionality in the TMU unit of Whiskey Cove
- * PMIC.
- */
-
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/mfd/intel_soc_pmic.h>
-
-#define BXTWC_TMUIRQ 0x4fb6
-#define BXTWC_MIRQLVL1 0x4e0e
-#define BXTWC_MTMUIRQ_REG 0x4fb7
-#define BXTWC_MIRQLVL1_MTMU BIT(1)
-#define BXTWC_TMU_WK_ALRM BIT(1)
-#define BXTWC_TMU_SYS_ALRM BIT(2)
-#define BXTWC_TMU_ALRM_MASK (BXTWC_TMU_WK_ALRM | BXTWC_TMU_SYS_ALRM)
-#define BXTWC_TMU_ALRM_IRQ (BXTWC_TMU_WK_ALRM | BXTWC_TMU_SYS_ALRM)
-
-struct wcove_tmu {
- int irq;
- struct device *dev;
- struct regmap *regmap;
-};
-
-static irqreturn_t bxt_wcove_tmu_irq_handler(int irq, void *data)
-{
- struct wcove_tmu *wctmu = data;
- unsigned int tmu_irq;
-
- /* Read TMU interrupt reg */
- regmap_read(wctmu->regmap, BXTWC_TMUIRQ, &tmu_irq);
- if (tmu_irq & BXTWC_TMU_ALRM_IRQ) {
- /* clear TMU irq */
- regmap_write(wctmu->regmap, BXTWC_TMUIRQ, tmu_irq);
- return IRQ_HANDLED;
- }
- return IRQ_NONE;
-}
-
-static int bxt_wcove_tmu_probe(struct platform_device *pdev)
-{
- struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
- struct regmap_irq_chip_data *regmap_irq_chip;
- struct wcove_tmu *wctmu;
- int ret, virq, irq;
-
- wctmu = devm_kzalloc(&pdev->dev, sizeof(*wctmu), GFP_KERNEL);
- if (!wctmu)
- return -ENOMEM;
-
- wctmu->dev = &pdev->dev;
- wctmu->regmap = pmic->regmap;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- regmap_irq_chip = pmic->irq_chip_data_tmu;
- virq = regmap_irq_get_virq(regmap_irq_chip, irq);
- if (virq < 0) {
- dev_err(&pdev->dev,
- "failed to get virtual interrupt=%d\n", irq);
- return virq;
- }
-
- ret = devm_request_threaded_irq(&pdev->dev, virq,
- NULL, bxt_wcove_tmu_irq_handler,
- IRQF_ONESHOT, "bxt_wcove_tmu", wctmu);
- if (ret) {
- dev_err(&pdev->dev, "request irq failed: %d,virq: %d\n",
- ret, virq);
- return ret;
- }
- wctmu->irq = virq;
-
- /* Unmask TMU second level Wake & System alarm */
- regmap_update_bits(wctmu->regmap, BXTWC_MTMUIRQ_REG,
- BXTWC_TMU_ALRM_MASK, 0);
-
- platform_set_drvdata(pdev, wctmu);
- return 0;
-}
-
-static int bxt_wcove_tmu_remove(struct platform_device *pdev)
-{
- struct wcove_tmu *wctmu = platform_get_drvdata(pdev);
- unsigned int val;
-
- /* Mask TMU interrupts */
- regmap_read(wctmu->regmap, BXTWC_MIRQLVL1, &val);
- regmap_write(wctmu->regmap, BXTWC_MIRQLVL1,
- val | BXTWC_MIRQLVL1_MTMU);
- regmap_read(wctmu->regmap, BXTWC_MTMUIRQ_REG, &val);
- regmap_write(wctmu->regmap, BXTWC_MTMUIRQ_REG,
- val | BXTWC_TMU_ALRM_MASK);
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int bxtwc_tmu_suspend(struct device *dev)
-{
- struct wcove_tmu *wctmu = dev_get_drvdata(dev);
-
- enable_irq_wake(wctmu->irq);
- return 0;
-}
-
-static int bxtwc_tmu_resume(struct device *dev)
-{
- struct wcove_tmu *wctmu = dev_get_drvdata(dev);
-
- disable_irq_wake(wctmu->irq);
- return 0;
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(bxtwc_tmu_pm_ops, bxtwc_tmu_suspend, bxtwc_tmu_resume);
-
-static const struct platform_device_id bxt_wcove_tmu_id_table[] = {
- { .name = "bxt_wcove_tmu" },
- {},
-};
-MODULE_DEVICE_TABLE(platform, bxt_wcove_tmu_id_table);
-
-static struct platform_driver bxt_wcove_tmu_driver = {
- .probe = bxt_wcove_tmu_probe,
- .remove = bxt_wcove_tmu_remove,
- .driver = {
- .name = "bxt_wcove_tmu",
- .pm = &bxtwc_tmu_pm_ops,
- },
- .id_table = bxt_wcove_tmu_id_table,
-};
-
-module_platform_driver(bxt_wcove_tmu_driver);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Nilesh Bacchewar <nilesh.bacchewar@intel.com>");
-MODULE_DESCRIPTION("BXT Whiskey Cove TMU Driver");
projects / linux-2.6-microblaze.git / commitdiff