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 --- arch/arm/mach-imx/clk-imx51-imx53.c | 2 +- arch/arm/mach-imx/clock-mx51-mx53.c | 1 + arch/arm/mach-imx/imx53-dt.c | 1 + arch/arm/mach-imx/mach-mx53_ard.c | 1 + arch/arm/mach-imx/mach-mx53_evk.c | 1 + arch/arm/mach-imx/mach-mx53_loco.c | 1 + arch/arm/mach-imx/mach-mx53_smd.c | 1 + arch/arm/mach-imx/mm-imx5.c | 5 +++++ arch/arm/mach-imx/pm-imx5.c | 5 +++++ arch/arm/plat-mxc/include/mach/common.h | 3 +++ 10 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c index 66633d5..834a87d 100644 --- a/arch/arm/mach-imx/clk-imx51-imx53.c +++ b/arch/arm/mach-imx/clk-imx51-imx53.c @@ -245,6 +245,7 @@ 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]); @@ -302,7 +303,6 @@ 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"); diff --git a/arch/arm/mach-imx/clock-mx51-mx53.c b/arch/arm/mach-imx/clock-mx51-mx53.c index 0847050..decedc6 100644 --- a/arch/arm/mach-imx/clock-mx51-mx53.c +++ b/arch/arm/mach-imx/clock-mx51-mx53.c @@ -1529,6 +1529,7 @@ static struct clk_lookup mx53_lookups[] = { _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk) _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk) + _REGISTER_CLOCK(NULL, "gpc_dvfs", gpc_dvfs_clk) _REGISTER_CLOCK("pata_imx", NULL, pata_clk) _REGISTER_CLOCK("imx53-ahci.0", "ahci", sata_clk) _REGISTER_CLOCK("imx53-ahci.0", "ahci_phy", ahci_phy_clk) diff --git a/arch/arm/mach-imx/imx53-dt.c b/arch/arm/mach-imx/imx53-dt.c index 4172279..c502619 100644 --- a/arch/arm/mach-imx/imx53-dt.c +++ b/arch/arm/mach-imx/imx53-dt.c @@ -125,6 +125,7 @@ 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 diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c index 0564198..f1e83d6 100644 --- a/arch/arm/mach-imx/mach-mx53_ard.c +++ b/arch/arm/mach-imx/mach-mx53_ard.c @@ -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 diff --git a/arch/arm/mach-imx/mach-mx53_evk.c b/arch/arm/mach-imx/mach-mx53_evk.c index 5a72188..8387496 100644 --- a/arch/arm/mach-imx/mach-mx53_evk.c +++ b/arch/arm/mach-imx/mach-mx53_evk.c @@ -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 diff --git a/arch/arm/mach-imx/mach-mx53_loco.c b/arch/arm/mach-imx/mach-mx53_loco.c index 37f67ca..e266f3f 100644 --- a/arch/arm/mach-imx/mach-mx53_loco.c +++ b/arch/arm/mach-imx/mach-mx53_loco.c @@ -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 diff --git a/arch/arm/mach-imx/mach-mx53_smd.c b/arch/arm/mach-imx/mach-mx53_smd.c index 8e972c5..4f4c1b9 100644 --- a/arch/arm/mach-imx/mach-mx53_smd.c +++ b/arch/arm/mach-imx/mach-mx53_smd.c @@ -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 diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c index ff7fa61..85bc52a 100644 --- a/arch/arm/mach-imx/mm-imx5.c +++ b/arch/arm/mach-imx/mm-imx5.c @@ -221,3 +221,8 @@ void __init imx51_init_late(void) mx51_neon_fixup(); imx51_pm_init(); } + +void __init imx53_init_late(void) +{ + imx53_pm_init(); +} diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c index baf9321..b3dcd8e 100644 --- a/arch/arm/mach-imx/pm-imx5.c +++ b/arch/arm/mach-imx/pm-imx5.c @@ -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(); +} diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index f65d068..3314e69 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -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