michaelh/zephyr
1
0
Fork 0
Code Releases Activity

dts: rt685: enabled flexcomm15

Browse source 
the RT685 contains an additional flexcomm peripheral, that supports
only I2C. This commit adds this peripheral to the device tree,
and enables pins and clocks for flexcomm15.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2021-09-21 14:12:23 -05:00 • committed by Christopher Friedt
commit b18aefdfd3
5 changed files with 61 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

44
boards/arm/mimxrt685_evk/pinmux.c
View file

@ -961,6 +961,50 @@ static int mimxrt685_evk_pinmux_init(const struct device *dev)
IOPCTL_PinMuxSet(IOPCTL, 2U, 9U, port2_pin9_config);
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(pmic_i2c), nxp_lpc_i2c, okay) && CONFIG_I2C
const uint32_t fc15_i2c_scl_config = (/* Pin is configured as I2C_SCL */
IOPCTL_PIO_FUNC0 |
/* Enable pull-up / pull-down function */
IOPCTL_PIO_PUPD_EN |
/* Enable pull-up function */
IOPCTL_PIO_PULLUP_EN |
/* Enables input buffer function */
IOPCTL_PIO_INBUF_EN |
/* Normal mode */
IOPCTL_PIO_SLEW_RATE_NORMAL |
/* Normal drive */
IOPCTL_PIO_FULLDRIVE_DI |
/* Analog mux is disabled */
IOPCTL_PIO_ANAMUX_DI |
/* Pseudo Output Drain is enabled */
IOPCTL_PIO_PSEDRAIN_EN |
/* Input function is not inverted */
IOPCTL_PIO_INV_DI);
/* FC15_SCL PIN (coords: E16) is configured as I2C SCL */
IOPCTL->FC15_I2C_SCL = fc15_i2c_scl_config;
const uint32_t fc15_i2c_sda_config = (/* Pin is configured as I2C_SDA */
IOPCTL_PIO_FUNC0 |
/* Enable pull-up / pull-down function */
IOPCTL_PIO_PUPD_EN |
/* Enable pull-up function */
IOPCTL_PIO_PULLUP_EN |
/* Enables input buffer function */
IOPCTL_PIO_INBUF_EN |
/* Normal mode */
IOPCTL_PIO_SLEW_RATE_NORMAL |
/* Normal drive */
IOPCTL_PIO_FULLDRIVE_DI |
/* Analog mux is disabled */
IOPCTL_PIO_ANAMUX_DI |
/* Pseudo Output Drain is enabled */
IOPCTL_PIO_PSEDRAIN_EN |
/* Input function is not inverted */
IOPCTL_PIO_INV_DI);
/* FC15_SDA PIN (coords: F16) is configured as I2C SDA */
IOPCTL->FC15_I2C_SDA = fc15_i2c_sda_config;
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpadc0), okay) && CONFIG_ADC
/*
* The current test and sample applications uses a single channel for

3
drivers/clock_control/clock_control_mcux_syscon.c
View file

@ -64,6 +64,9 @@ static int mcux_lpc_syscon_clock_control_get_subsys_rate(
case MCUX_FLEXCOMM7_CLK:
*rate = CLOCK_GetFlexCommClkFreq(7);
break;
case MCUX_PMIC_I2C_CLK:
*rate = CLOCK_GetFlexCommClkFreq(15);
break;
case MCUX_HS_SPI_CLK:
#if defined(FSL_FEATURE_FLEXCOMM8_SPI_INDEX)
*rate = CLOCK_GetHsLspiClkFreq();

9
dts/arm/nxp/nxp_rt6xx_common.dtsi
View file

@ -189,6 +189,15 @@
status = "disabled";
};
pmic_i2c: i2c@127000 {
compatible = "nxp,lpc-i2c";
reg = <0x127000 0x1000>;
interrupts = <21 0>;
label = "PMIC_I2C";
clocks = <&clkctl1 MCUX_PMIC_I2C_CLK>;
status = "disabled";
};
usbhs: usbhs@144000 {
compatible = "nxp,mcux-usbd";
reg = <0x144000 0x1000>;

1
include/dt-bindings/clock/mcux_lpc_syscon_clock.h
View file

@ -15,6 +15,7 @@
#define MCUX_FLEXCOMM5_CLK 5
#define MCUX_FLEXCOMM6_CLK 6
#define MCUX_FLEXCOMM7_CLK 7
#define MCUX_PMIC_I2C_CLK 16
#define MCUX_HS_SPI_CLK 8
#define MCUX_USDHC1_CLK 9
#define MCUX_USDHC2_CLK 10

4
soc/arm/nxp_imx/rt6xx/soc.c
View file

@ -235,6 +235,10 @@ static ALWAYS_INLINE void clock_init(void)
CLOCK_AttachClk(kSFRO_to_FLEXCOMM2);
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(pmic_i2c), nxp_lpc_i2c, okay)
CLOCK_AttachClk(kFFRO_to_FLEXCOMM15);
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm4), nxp_lpc_usart, okay)
CLOCK_AttachClk(kSFRO_to_FLEXCOMM4);
#endif