From: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de> To: "Rafael J. Wysocki" <rjw@rjwysocki.net>, Len Brown <lenb@kernel.org>, Robert Moore <robert.moore@intel.com>, Erik Schmauss <erik.schmauss@intel.com>, Jacek Anaszewski <jacek.anaszewski@gmail.com>, Pavel Machek <pavel@ucw.cz>, Dan Murphy <dmurphy@ti.com>, Thierry Reding <thierry.reding@gmail.com> Cc: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>, linux-acpi@vger.kernel.org, devel@acpica.org, linux-leds@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH 0/3] PWM framework: add support referencing PWMs from ACPI Date: Wed, 29 May 2019 14:18:19 +0200 Message-ID: <cover.1559127603.git.nikolaus.voss@loewensteinmedical.de> (raw) As described in Documentation/firmware-guide/acpi/gpio-properties.rst a GPIO can be referenced from ACPI ASL _DSD with the "gpios"-property of the form: Package () { "gpios", Package () { ref, index, pin, active_low }} The second patch of this series adds support for specifing a PWM reference in ASL of the form Package () { "pwms", Package () { ref, index, pwm-period [, pwm flags]}} The first patch of this series is necessary to resolve the "ref" in ASL if the table has been loaded by efivar_ssdt_load() or configfs. The third patch of this series makes leds-pwm use the ACPI-enabled PWM framework. Nikolaus Voss (3): ACPI: Resolve objects on host-directed table loads PWM framework: add support referencing PWMs from ACPI leds-pwm.c: support ACPI via firmware-node framework drivers/acpi/acpi_configfs.c | 6 +- drivers/acpi/acpica/tbxfload.c | 11 ++++ drivers/leds/leds-pwm.c | 44 +++++++------ drivers/pwm/core.c | 112 +++++++++++++++++++++++++++++++++ include/linux/pwm.h | 9 +++ 5 files changed, 159 insertions(+), 23 deletions(-) -- 2.17.1
next reply index Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-29 12:18 Nikolaus Voss [this message] 2019-05-29 12:18 ` [PATCH 1/3] ACPI: Resolve objects on host-directed table loads Nikolaus Voss 2019-05-30 14:42 ` Dan Murphy 2019-05-31 12:23 ` Pavel Machek 2019-05-31 12:45 ` Dan Murphy 2019-05-31 12:46 ` Dan Murphy 2019-06-03 9:12 ` Nikolaus Voss 2019-08-14 18:50 ` Andy Shevchenko 2019-08-14 20:27 ` Schmauss, Erik 2019-08-16 11:57 ` Nikolaus Voss 2019-08-30 14:53 ` Shevchenko, Andriy 2019-09-04 7:20 ` Nikolaus Voss 2019-09-06 17:46 ` Shevchenko, Andriy 2019-09-12 8:05 ` Nikolaus Voss 2019-09-12 8:07 ` [PATCH] ACPICA: make acpi_load_table() return table index Nikolaus Voss 2019-09-12 14:19 ` Moore, Robert 2019-09-12 19:36 ` Ferry Toth 2019-09-25 18:13 ` Schmauss, Erik 2019-09-26 8:09 ` Shevchenko, Andriy 2019-09-13 7:44 ` Nikolaus Voss 2019-09-13 14:20 ` Moore, Robert 2019-09-13 15:12 ` Shevchenko, Andriy 2019-09-13 16:48 ` Ferry Toth 2019-09-13 16:48 ` Ferry Toth 2019-09-13 17:40 ` Moore, Robert 2019-09-13 19:56 ` Rafael J. Wysocki 2019-09-16 9:46 ` Nikolaus Voss 2019-09-18 14:13 ` Moore, Robert 2019-09-18 14:31 ` Nikolaus Voss 2019-09-19 17:05 ` Moore, Robert 2019-09-23 9:05 ` Nikolaus Voss 2019-09-24 19:41 ` Moore, Robert 2019-09-25 10:18 ` Nikolaus Voss 2019-09-25 10:53 ` Shevchenko, Andriy 2019-09-19 8:13 ` Rafael J. Wysocki 2019-09-23 9:08 ` Nikolaus Voss 2019-09-23 9:47 ` [PATCH] ACPICA: Introduce acpi_load_table_with_index() Nikolaus Voss 2019-09-24 12:07 ` Shevchenko, Andriy 2019-09-24 12:08 ` Shevchenko, Andriy 2019-09-25 10:20 ` Nikolaus Voss 2019-09-24 15:11 ` Andy Shevchenko 2019-09-25 10:22 ` Nikolaus Voss 2019-09-26 16:09 ` [PATCH] ACPICA: make acpi_load_table() return table index Schmauss, Erik 2019-09-26 16:35 ` Shevchenko, Andriy 2019-09-26 16:51 ` Schmauss, Erik 2019-09-26 17:47 ` Shevchenko, Andriy 2019-09-26 18:44 ` Nikolaus Voss 2019-09-26 19:26 ` Rafael J. Wysocki 2019-09-26 19:41 ` Schmauss, Erik 2019-09-26 18:43 ` Nikolaus Voss 2019-05-29 12:18 ` [PATCH 2/3] PWM framework: add support referencing PWMs from ACPI Nikolaus Voss 2019-05-30 14:54 ` Dan Murphy 2019-05-31 12:24 ` Pavel Machek 2019-06-03 9:27 ` Nikolaus Voss 2019-05-29 12:18 ` [PATCH 3/3] leds-pwm.c: support ACPI via firmware-node framework Nikolaus Voss 2019-05-30 15:14 ` Dan Murphy 2019-06-03 9:44 ` Nikolaus Voss
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