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ARM: imx: Enable imx53 low power idle 

Add various functionality needed to enable a imx53 low power idle
state.  This includes adding the imx53 gpc_dvfs clock and making a
common imx5_late_init function and initializing all imx53
 MACHINE_STATE late_init calls to imx5_late_init.

Signed-off-by: Robert Lee <rob.lee@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Robert Lee 2012-05-21 17:50:27 -05:00 committed by Sascha Hauer
parent 565fa91f23
commit aa96a18d22
9 changed files with 19 additions and 1 deletions
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2
arch/arm/mach-imx/clk-imx51-imx53.c
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@ -279,6 +279,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
clk_register_clkdev(clk[dummy], NULL, "imx-keypad");
clk_register_clkdev(clk[tve_gate], NULL, "imx-tve.0");
clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx-tve.0");
clk_register_clkdev(clk[gpc_dvfs], "gpc_dvfs", NULL);
/* Set SDHC parents to be PLL2 */
clk_set_parent(clk[esdhc_a_sel], clk[pll2_sw]);
@ -336,7 +337,6 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
clk_register_clkdev(clk[mx51_mipi], "mipi_hsp", NULL);
clk_register_clkdev(clk[vpu_gate], NULL, "imx51-vpu.0");
clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0");
clk_register_clkdev(clk[gpc_dvfs], "gpc_dvfs", NULL);
clk_register_clkdev(clk[ipu_gate], "bus", "imx51-ipu");
clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx51-ipu");
clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx51-ipu");

1
arch/arm/mach-imx/imx53-dt.c
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@ -147,6 +147,7 @@ DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)")
.handle_irq = imx53_handle_irq,
.timer = &imx53_timer,
.init_machine = imx53_dt_init,
.init_late = imx53_init_late,
.dt_compat = imx53_dt_board_compat,
.restart = mxc_restart,
MACHINE_END

1
arch/arm/mach-imx/mach-mx53_ard.c
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@ -266,5 +266,6 @@ MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board")
.handle_irq = imx53_handle_irq,
.timer = &mx53_ard_timer,
.init_machine = mx53_ard_board_init,
.init_late = imx53_init_late,
.restart = mxc_restart,
MACHINE_END

1
arch/arm/mach-imx/mach-mx53_evk.c
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@ -174,5 +174,6 @@ MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
.handle_irq = imx53_handle_irq,
.timer = &mx53_evk_timer,
.init_machine = mx53_evk_board_init,
.init_late = imx53_init_late,
.restart = mxc_restart,
MACHINE_END

1
arch/arm/mach-imx/mach-mx53_loco.c
View File

@ -316,5 +316,6 @@ MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
.handle_irq = imx53_handle_irq,
.timer = &mx53_loco_timer,
.init_machine = mx53_loco_board_init,
.init_late = imx53_init_late,
.restart = mxc_restart,
MACHINE_END

1
arch/arm/mach-imx/mach-mx53_smd.c
View File

@ -163,5 +163,6 @@ MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board")
.handle_irq = imx53_handle_irq,
.timer = &mx53_smd_timer,
.init_machine = mx53_smd_board_init,
.init_late = imx53_init_late,
.restart = mxc_restart,
MACHINE_END

5
arch/arm/mach-imx/mm-imx5.c
View File

@ -223,3 +223,8 @@ void __init imx51_init_late(void)
mx51_neon_fixup();
imx51_pm_init();
}
void __init imx53_init_late(void)
{
imx53_pm_init();
}

5
arch/arm/mach-imx/pm-imx5.c
View File

@ -166,3 +166,8 @@ void __init imx51_pm_init(void)
if (!ret)
suspend_set_ops(&mx5_suspend_ops);
}
void __init imx53_pm_init(void)
{
imx5_pm_common_init();
}

3
arch/arm/plat-mxc/include/mach/common.h
View File

@ -54,6 +54,7 @@ extern void imx50_soc_init(void);
extern void imx51_soc_init(void);
extern void imx53_soc_init(void);
extern void imx51_init_late(void);
extern void imx53_init_late(void);
extern void epit_timer_init(struct clk *timer_clk, void __iomem *base, int irq);
extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
extern int mx1_clocks_init(unsigned long fref);
@ -146,9 +147,11 @@ extern void imx6q_clock_map_io(void);
#ifdef CONFIG_PM
extern void imx6q_pm_init(void);
extern void imx51_pm_init(void);
extern void imx53_pm_init(void);
#else
static inline void imx6q_pm_init(void) {}
static inline void imx51_pm_init(void) {}
static inline void imx53_pm_init(void) {}
#endif
#ifdef CONFIG_NEON