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cpu/cc26xx_cc13xx: enable periph clocks on sleep

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Signed-off-by: Jean Pierre Dudey <me@jeandudey.tech>
This commit is contained in:
Jean Pierre Dudey 2020-10-01 12:23:41 -05:00
parent 0941867bf9
commit f443a8bc84
3 changed files with 39 additions and 6 deletions
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8
cpu/cc26x0/include/cc26x0_prcm.h
View File

@ -341,6 +341,14 @@ typedef struct {
#define GPIOCLKGR_CLK_EN 0x1
#define I2CCLKGR_CLK_EN 0x1
#define UARTCLKGR_CLK_EN_UART0 0x1
#define GPIOCLKGS_CLK_EN 0x1
#define I2CCLKGS_CLK_EN 0x1
#define UARTCLKGS_CLK_EN_UART0 0x1
#define GPIOCLKGDS_CLK_EN 0x1
#define I2CCLKGDS_CLK_EN 0x1
#define UARTCLKGDS_CLK_EN_UART0 0x1
/** @} */
/** @ingroup cpu_specific_peripheral_memory_map

18
cpu/cc26x2_cc13x2/include/cc26x2_cc13x2_prcm.h
View File

@ -354,10 +354,20 @@ typedef struct {
#define PDSTAT1_RFC_ON 0x4
#define PDSTAT1_VIMS_ON 0x8
#define GPIOCLKGR_CLK_EN 0x1
#define I2CCLKGR_CLK_EN 0x1
#define UARTCLKGR_CLK_EN_UART0 0x1
#define UARTCLKGR_CLK_EN_UART1 0x2
#define GPIOCLKGR_CLK_EN 0x1
#define I2CCLKGR_CLK_EN 0x1
#define UARTCLKGR_CLK_EN_UART0 0x1
#define UARTCLKGR_CLK_EN_UART1 0x2
#define GPIOCLKGS_CLK_EN 0x1
#define I2CCLKGS_CLK_EN 0x1
#define UARTCLKGS_CLK_EN_UART0 0x1
#define UARTCLKGS_CLK_EN_UART1 0x2
#define GPIOCLKGDS_CLK_EN 0x1
#define I2CCLKGDS_CLK_EN 0x1
#define UARTCLKGDS_CLK_EN_UART0 0x1
#define UARTCLKGDS_CLK_EN_UART1 0x2
/** @} */
/** @ingroup cpu_specific_peripheral_memory_map

19
cpu/cc26xx_cc13xx/power_arch.c
View File

@ -8,6 +8,7 @@
/**
* @ingroup cpu_cc26xx_cc13xx
*
* @{
*
* @file
@ -95,31 +96,42 @@ void power_enable_domain(const power_domain_t domain)
void power_clock_enable_gpio(void)
{
PRCM->GPIOCLKGR = GPIOCLKGR_CLK_EN;
/* enable clock gates for GPIO peripheral, for run mode
* and sleep mode */
PRCM->GPIOCLKGR |= GPIOCLKGR_CLK_EN;
PRCM->GPIOCLKGS |= GPIOCLKGS_CLK_EN;
prcm_commit();
}
void power_clock_enable_gpt(uint32_t tim)
{
/* enable clock gates for GPT peripheral, for run mode and sleep mode */
PRCM->GPTCLKGR |= (1 << tim);
PRCM->GPTCLKGS |= (1 << tim);
prcm_commit();
}
void power_clock_enable_i2c(void) {
PRCM->I2CCLKGR = I2CCLKGR_CLK_EN;
/* I2C peripheral is only enabled for run mode as it isn't necessary to
* keep it running at sleep or deep sleep, as the I2C interrupt is mainly
* for the slave mode ;-) */
PRCM->I2CCLKGR |= I2CCLKGR_CLK_EN;
prcm_commit();
}
void power_clock_enable_uart(uart_t uart)
{
/* enable clock gates for UART peripheral, for run mode and sleep mode. */
if (uart == 0) {
PRCM->UARTCLKGR |= UARTCLKGR_CLK_EN_UART0;
PRCM->UARTCLKGS |= UARTCLKGS_CLK_EN_UART0;
}
#ifdef UARTCLKGR_CLK_EN_UART1
else if (uart == 1) {
PRCM->UARTCLKGR |= UARTCLKGR_CLK_EN_UART1;
PRCM->UARTCLKGS |= UARTCLKGS_CLK_EN_UART1;
}
#endif
@ -128,12 +140,15 @@ void power_clock_enable_uart(uart_t uart)
void power_clock_disable_uart(uart_t uart)
{
/* disable clock gates for UART peripheral, for run and sleep mode */
if (uart == 0) {
PRCM->UARTCLKGR &= ~UARTCLKGR_CLK_EN_UART0;
PRCM->UARTCLKGS &= ~UARTCLKGS_CLK_EN_UART0;
}
#ifdef UARTCLKGR_CLK_EN_UART1
else if (uart == 1) {
PRCM->UARTCLKGR &= ~UARTCLKGR_CLK_EN_UART1;
PRCM->UARTCLKGS &= ~UARTCLKGS_CLK_EN_UART1;
}
#endif