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ARM: davinci: dm646x: switch to using the clocksource driver 

We now have a proper clocksource driver for davinci. Switch the dm646x
platform to using it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Bartosz Golaszewski 2019-07-22 15:17:47 +02:00 committed by Sekhar Nori
parent 135ce780b7
commit d7d91d2647
1 changed files with 13 additions and 11 deletions
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24
arch/arm/mach-davinci/dm646x.c
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@ -28,7 +28,8 @@
#include <mach/cputype.h>
#include <mach/mux.h>
#include <mach/serial.h>
#include <mach/time.h>
#include <clocksource/timer-davinci.h>
#include "asp.h"
#include "davinci.h"
@ -501,15 +502,15 @@ static struct davinci_id dm646x_ids[] = {
};
/*
* T0_BOT: Timer 0, bottom: clockevent source for hrtimers
* T0_TOP: Timer 0, top : clocksource for generic timekeeping
* T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
* T1_TOP: Timer 1, top : <unused>
* Bottom half of timer0 is used for clockevent, top half is used for
* clocksource.
*/
static struct davinci_timer_info dm646x_timer_info = {
.timers = davinci_timer_instance,
.clockevent_id = T0_BOT,
.clocksource_id = T0_TOP,
static const struct davinci_timer_cfg dm646x_timer_cfg = {
.reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K),
.irq = {
DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)),
DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)),
},
};
static struct plat_serial8250_port dm646x_serial0_platform_data[] = {
@ -587,7 +588,6 @@ static const struct davinci_soc_info davinci_soc_info_dm646x = {
.pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
.pinmux_pins = dm646x_pins,
.pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
.timer_info = &dm646x_timer_info,
.emac_pdata = &dm646x_emac_pdata,
.sram_dma = 0x10010000,
.sram_len = SZ_32K,
@ -652,6 +652,7 @@ void __init dm646x_init_time(unsigned long ref_clk_rate,
{
void __iomem *pll1, *psc;
struct clk *clk;
int rv;
clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, ref_clk_rate);
clk_register_fixed_rate(NULL, "aux_clkin", NULL, 0, aux_clkin_rate);
@ -668,7 +669,8 @@ void __init dm646x_init_time(unsigned long ref_clk_rate,
return;
}
davinci_timer_init(clk);
rv = davinci_timer_register(clk, &dm646x_timer_cfg);
WARN(rv, "Unable to register the timer: %d\n", rv);
}
static struct resource dm646x_pll2_resources[] = {