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ARM: OMAP5: Add functions to enable and disable EDMA3 clocks 

Adds functions to enable and disable edma3 clocks which can be invoked
by drivers using edma3 to control the clocks.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
This commit is contained in:
Vignesh R 2015-08-17 13:29:52 +05:30 committed by Jagan Teki
parent 16ca1d09e6
commit 8a09cfe14b
3 changed files with 52 additions and 0 deletions
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41
arch/arm/cpu/armv7/omap5/hw_data.c
View File

@ -565,6 +565,47 @@ void enable_basic_uboot_clocks(void)
1);
}
#ifdef CONFIG_TI_EDMA3
void enable_edma3_clocks(void)
{
u32 const clk_domains_edma3[] = {
0
};
u32 const clk_modules_hw_auto_edma3[] = {
(*prcm)->cm_l3main1_tptc1_clkctrl,
(*prcm)->cm_l3main1_tptc2_clkctrl,
0
};
u32 const clk_modules_explicit_en_edma3[] = {
0
};
do_enable_clocks(clk_domains_edma3,
clk_modules_hw_auto_edma3,
clk_modules_explicit_en_edma3,
1);
}
void disable_edma3_clocks(void)
{
u32 const clk_domains_edma3[] = {
0
};
u32 const clk_modules_disable_edma3[] = {
(*prcm)->cm_l3main1_tptc1_clkctrl,
(*prcm)->cm_l3main1_tptc2_clkctrl,
0
};
do_disable_clocks(clk_domains_edma3,
clk_modules_disable_edma3,
1);
}
#endif
const struct ctrl_ioregs ioregs_omap5430 = {
.ctrl_ddrch = DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN,
.ctrl_lpddr2ch = DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN,

4
arch/arm/cpu/armv7/omap5/prcm-regs.c
View File

@ -989,4 +989,8 @@ struct prcm_regs const dra7xx_prcm = {
.prm_abbldo_mpu_setup = 0x4AE07DDC,
.prm_abbldo_mpu_ctrl = 0x4AE07DE0,
/*l3main1 edma*/
.cm_l3main1_tptc1_clkctrl = 0x4a008778,
.cm_l3main1_tptc2_clkctrl = 0x4a008780,
};

7
arch/arm/include/asm/omap_common.h
View File

@ -349,6 +349,10 @@ struct prcm_regs {
/* IPU */
u32 cm_ipu_clkstctrl;
u32 cm_ipu_i2c5_clkctrl;
/*l3main1 edma*/
u32 cm_l3main1_tptc1_clkctrl;
u32 cm_l3main1_tptc2_clkctrl;
};
struct omap_sys_ctrl_regs {
@ -598,6 +602,9 @@ void recalibrate_iodelay(void);
void omap_smc1(u32 service, u32 val);
void enable_edma3_clocks(void);
void disable_edma3_clocks(void);
/* ABB */
#define OMAP_ABB_NOMINAL_OPP 0
#define OMAP_ABB_FAST_OPP 1