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linux/drivers/clocksource/timer-sprd.c

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clocksource/drivers/spreadtrum: Add timer driver for the Spreadtrum SC9860 platform The Spreadtrum SC9860 platform will use the architected timers as local clock events, but we also need a broadcast timer device to wake up the CPUs when the CPUs are in sleep mode. The Spreadtrum timer can support 32-bit or 64-bit counters, as well as supporting period mode or one-shot mode. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1515418139-23276-8-git-send-email-daniel.lezcano@linaro.org [ Minor readability edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-01-08 14:28:47 +01:00
clocksource/drivers/sprd: Enable register for timer counter from 32 bit to 64 bit Using 32 bit for suspend compensation, the max compensation time is 36 hours(working clock is 32k).In some IOT devices, the suspend time may be long, even exceeding 36 hours. Therefore, a 64 bit timer counter is needed for counting. Signed-off-by: Enlin Mu <enlin.mu@unisoc.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Link: https://patch.msgid.link/20251106021830.34846-1-enlin.mu@linux.dev
2025-11-06 10:18:30 +08:00
clocksource/drivers/spreadtrum: Add timer driver for the Spreadtrum SC9860 platform The Spreadtrum SC9860 platform will use the architected timers as local clock events, but we also need a broadcast timer device to wake up the CPUs when the CPUs are in sleep mode. The Spreadtrum timer can support 32-bit or 64-bit counters, as well as supporting period mode or one-shot mode. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1515418139-23276-8-git-send-email-daniel.lezcano@linaro.org [ Minor readability edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-01-08 14:28:47 +01:00
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time Since the clocksource framework has introduced one suspend clocksource to compensate the suspend time, this patch registers one always-on timer as the suspend clocksource. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2018-07-17 15:55:17 +08:00
clocksource/drivers/sprd: Enable register for timer counter from 32 bit to 64 bit Using 32 bit for suspend compensation, the max compensation time is 36 hours(working clock is 32k).In some IOT devices, the suspend time may be long, even exceeding 36 hours. Therefore, a 64 bit timer counter is needed for counting. Signed-off-by: Enlin Mu <enlin.mu@unisoc.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Link: https://patch.msgid.link/20251106021830.34846-1-enlin.mu@linux.dev
2025-11-06 10:18:30 +08:00
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time Since the clocksource framework has introduced one suspend clocksource to compensate the suspend time, this patch registers one always-on timer as the suspend clocksource. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2018-07-17 15:55:17 +08:00
clocksource/drivers/sprd: Enable register for timer counter from 32 bit to 64 bit Using 32 bit for suspend compensation, the max compensation time is 36 hours(working clock is 32k).In some IOT devices, the suspend time may be long, even exceeding 36 hours. Therefore, a 64 bit timer counter is needed for counting. Signed-off-by: Enlin Mu <enlin.mu@unisoc.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Link: https://patch.msgid.link/20251106021830.34846-1-enlin.mu@linux.dev
2025-11-06 10:18:30 +08:00
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time Since the clocksource framework has introduced one suspend clocksource to compensate the suspend time, this patch registers one always-on timer as the suspend clocksource. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2018-07-17 15:55:17 +08:00
clocksource/drivers/sprd: Enable register for timer counter from 32 bit to 64 bit Using 32 bit for suspend compensation, the max compensation time is 36 hours(working clock is 32k).In some IOT devices, the suspend time may be long, even exceeding 36 hours. Therefore, a 64 bit timer counter is needed for counting. Signed-off-by: Enlin Mu <enlin.mu@unisoc.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Link: https://patch.msgid.link/20251106021830.34846-1-enlin.mu@linux.dev
2025-11-06 10:18:30 +08:00
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time Since the clocksource framework has introduced one suspend clocksource to compensate the suspend time, this patch registers one always-on timer as the suspend clocksource. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2018-07-17 15:55:17 +08:00
clocksource/drivers/spreadtrum: Add timer driver for the Spreadtrum SC9860 platform The Spreadtrum SC9860 platform will use the architected timers as local clock events, but we also need a broadcast timer device to wake up the CPUs when the CPUs are in sleep mode. The Spreadtrum timer can support 32-bit or 64-bit counters, as well as supporting period mode or one-shot mode. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1515418139-23276-8-git-send-email-daniel.lezcano@linaro.org [ Minor readability edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-01-08 14:28:47 +01:00
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time Since the clocksource framework has introduced one suspend clocksource to compensate the suspend time, this patch registers one always-on timer as the suspend clocksource. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2018-07-17 15:55:17 +08:00