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soc: riscv: rv32m1: enable peripheral clocks for Timer/PWM modules

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Enable the peripheral clocks for the OpenISA RV32M1 Timer/PWM (TPM)
modules.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen 2019-12-03 17:17:28 +01:00 • committed by Maureen Helm
commit f3144644bd
1 changed files with 24 additions and 0 deletions
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24
soc/riscv/openisa_rv32m1/soc.c
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@ -189,6 +189,27 @@ static void rv32m1_switch_to_sirc(void)
rv32m1_switch_sys_clk(&sys_clk_config_sirc);
}
/**
* @brief Setup peripheral clocks
*
* Setup the peripheral clock sources.
*/
static void rv32m1_setup_peripheral_clocks(void)
{
#ifdef DT_OPENISA_RV32M1_TPM_PWM_0_BASE_ADDRESS
CLOCK_SetIpSrc(kCLOCK_Tpm0, kCLOCK_IpSrcFircAsync);
#endif
#ifdef DT_OPENISA_RV32M1_TPM_PWM_1_BASE_ADDRESS
CLOCK_SetIpSrc(kCLOCK_Tpm1, kCLOCK_IpSrcFircAsync);
#endif
#ifdef DT_OPENISA_RV32M1_TPM_PWM_2_BASE_ADDRESS
CLOCK_SetIpSrc(kCLOCK_Tpm2, kCLOCK_IpSrcFircAsync);
#endif
#ifdef DT_OPENISA_RV32M1_TPM_PWM_3_BASE_ADDRESS
CLOCK_SetIpSrc(kCLOCK_Tpm3, kCLOCK_IpSrcFircAsync);
#endif
}
/**
* @brief Perform basic hardware initialization
*
@ -214,6 +235,9 @@ static int soc_rv32m1_init(struct device *arg)
/* Initialize LPFLL */
CLOCK_InitLpFll(&rv32m1_lpfll_cfg);
/* Initialize peripheral clocks */
rv32m1_setup_peripheral_clocks();
irq_unlock(key);
return 0;