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authorFu Wei <fu.wei@linaro.org>2017-04-01 01:51:01 +0800
committerMark Rutland <mark.rutland@arm.com>2017-04-19 16:11:49 +0100
commit5f1ae4ebe578319a0cd5dae9591dd426070be106 (patch)
treeff4bde8ba98614bb0001500482d5db3242de7770 /arch/arm64
parentclocksource: arm_arch_timer: split MMIO timer probing. (diff)
downloadlinux-dev-5f1ae4ebe578319a0cd5dae9591dd426070be106.tar.xz
linux-dev-5f1ae4ebe578319a0cd5dae9591dd426070be106.zip
acpi/arm64: Add GTDT table parse driver
This patch adds support for parsing arch timer info in GTDT, provides some kernel APIs to parse all the PPIs and always-on info in GTDT and export them. By this driver, we can simplify arm_arch_timer drivers, and separate the ACPI GTDT knowledge from it. Signed-off-by: Fu Wei <fu.wei@linaro.org> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Tested-by: Hanjun Guo <hanjun.guo@linaro.org> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 3741859765cf..7e2baec6f23a 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2,6 +2,7 @@ config ARM64
def_bool y
select ACPI_CCA_REQUIRED if ACPI
select ACPI_GENERIC_GSI if ACPI
+ select ACPI_GTDT if ACPI
select ACPI_REDUCED_HARDWARE_ONLY if ACPI
select ACPI_MCFG if ACPI
select ACPI_SPCR_TABLE if ACPI