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drivers: clock_control: Update LPC clock driver for USDHC

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Add support to get USDHC clock frequency

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
This commit is contained in:
Mahesh Mahadevan 2021-07-27 15:46:22 -05:00 • committed by Christopher Friedt
commit f28672a448
2 changed files with 10 additions and 0 deletions
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8
drivers/clock_control/clock_control_mcux_syscon.c
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@ -72,6 +72,14 @@ static int mcux_lpc_syscon_clock_control_get_subsys_rate(
LOG_ERR("Missing feature define for HS_SPI clock!"); LOG_ERR("Missing feature define for HS_SPI clock!");
#endif #endif
break; break;
#if (defined(FSL_FEATURE_SOC_USDHC_COUNT) && FSL_FEATURE_SOC_USDHC_COUNT)
case MCUX_USDHC1_CLK:
*rate = CLOCK_GetSdioClkFreq(0);
break;
case MCUX_USDHC2_CLK:
*rate = CLOCK_GetSdioClkFreq(1);
break;
#endif
} }
#endif #endif

2
include/dt-bindings/clock/mcux_lpc_syscon_clock.h
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@ -16,5 +16,7 @@
#define MCUX_FLEXCOMM6_CLK 6 #define MCUX_FLEXCOMM6_CLK 6
#define MCUX_FLEXCOMM7_CLK 7 #define MCUX_FLEXCOMM7_CLK 7
#define MCUX_HS_SPI_CLK 8 #define MCUX_HS_SPI_CLK 8
#define MCUX_USDHC1_CLK 9
#define MCUX_USDHC2_CLK 10
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_MCUX_LPC_SYSCON_H_ */ #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_MCUX_LPC_SYSCON_H_ */