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| author | Kelvin Cheung <keguang.zhang@gmail.com> | 2014-10-10 05:40:02 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-11-24 07:45:09 +0100 |
| commit | c5d58e9e79dd8d687454915fc4e845434f973175 (patch) | |
| tree | f0031c5b606865d4a02131cd42d7a01c9d609576 /arch/mips/loongson1/Kconfig | |
| parent | MIPS: Loongson1B: Some fixes/updates for LS1B (diff) | |
| download | linux-c5d58e9e79dd8d687454915fc4e845434f973175.tar.xz linux-c5d58e9e79dd8d687454915fc4e845434f973175.zip | |
MIPS: Loongson1B: Add a clockevent/clocksource using PWM Timer
This patch add a clockevent/clocksource using PWM Timer for Loongson1B,
which is based on earlier work by Tang, Haifeng.
Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8025/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/loongson1/Kconfig')
| -rw-r--r-- | arch/mips/loongson1/Kconfig | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/arch/mips/loongson1/Kconfig b/arch/mips/loongson1/Kconfig index 4ed9744fe051..a2b796eaf3c3 100644 --- a/arch/mips/loongson1/Kconfig +++ b/arch/mips/loongson1/Kconfig @@ -5,8 +5,8 @@ choice config LOONGSON1_LS1B bool "Loongson LS1B board" - select CEVT_R4K - select CSRC_R4K + select CEVT_R4K if !MIPS_EXTERNAL_TIMER + select CSRC_R4K if !MIPS_EXTERNAL_TIMER select SYS_HAS_CPU_LOONGSON1B select DMA_NONCOHERENT select BOOT_ELF32 @@ -21,4 +21,41 @@ config LOONGSON1_LS1B endchoice +menuconfig CEVT_CSRC_LS1X + bool "Use PWM Timer for clockevent/clocksource" + select MIPS_EXTERNAL_TIMER + depends on CPU_LOONGSON1 + help + This option changes the default clockevent/clocksource to PWM Timer, + and is required by Loongson1 CPUFreq support. + + If unsure, say N. + +choice + prompt "Select clockevent/clocksource" + depends on CEVT_CSRC_LS1X + default TIMER_USE_PWM0 + +config TIMER_USE_PWM0 + bool "Use PWM Timer 0" + help + Use PWM Timer 0 as the default clockevent/clocksourcer. + +config TIMER_USE_PWM1 + bool "Use PWM Timer 1" + help + Use PWM Timer 1 as the default clockevent/clocksourcer. + +config TIMER_USE_PWM2 + bool "Use PWM Timer 2" + help + Use PWM Timer 2 as the default clockevent/clocksourcer. + +config TIMER_USE_PWM3 + bool "Use PWM Timer 3" + help + Use PWM Timer 3 as the default clockevent/clocksourcer. + +endchoice + endif # MACH_LOONGSON1 |