diff options
| author | Dino Li <Dino.Li@ite.com.tw> | 2021-07-16 14:47:32 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-07-27 02:50:20 +0000 |
| commit | 9e0226bf02e94efd042b77ea6008ee9bfb08ed6f (patch) | |
| tree | 7fc311cceda1192236e4ac7a2c22dd0fe494a4af /zephyr | |
| parent | 78e3fa0569a53ff146364c5229b1e86c57f1d8e5 (diff) | |
| download | chrome-ec-9e0226bf02e94efd042b77ea6008ee9bfb08ed6f.tar.gz | |
zephyr: it8xxx2: shi: enable CS interrupt
This interrupt will be needed in the future to enable low power mode
on idle task in S0 state.
BRANCH=none
BUG=b:185176098
TEST=the interrupt can be triggered correctly on asurada.
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Change-Id: I04b066de0129f01adf2c7ba4c9f60788b3d46cbc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3034781
Reviewed-by: Tim2 Lin <tim2.lin@ite.corp-partner.google.com>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'zephyr')
| -rw-r--r-- | zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts | 5 | ||||
| -rw-r--r-- | zephyr/drivers/cros_shi/cros_shi_it8xxx2.c | 14 | ||||
| -rw-r--r-- | zephyr/projects/asurada/hayato/include/gpio_map.h | 4 | ||||
| -rw-r--r-- | zephyr/projects/it8xxx2_evb/include/gpio_map.h | 4 |
4 files changed, 25 insertions, 2 deletions
diff --git a/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts b/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts index 89ef56bc4c..de7d41abe7 100644 --- a/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts +++ b/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts @@ -119,6 +119,11 @@ label = "I2C_E_SDA"; }; + spi0_cs { + gpios = <&gpiom 5 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>; + enum-name = "GPIO_SPI0_CS"; + label = "SPI0_CS"; + }; }; named-adc-channels { diff --git a/zephyr/drivers/cros_shi/cros_shi_it8xxx2.c b/zephyr/drivers/cros_shi/cros_shi_it8xxx2.c index 0c0391afe7..ba2bb9ba5e 100644 --- a/zephyr/drivers/cros_shi/cros_shi_it8xxx2.c +++ b/zephyr/drivers/cros_shi/cros_shi_it8xxx2.c @@ -14,6 +14,7 @@ #include <drivers/pinmux.h> #include <dt-bindings/pinctrl/it8xxx2-pinctrl.h> +#include "chipset.h" #include "console.h" #include "host_command.h" @@ -260,6 +261,16 @@ static void shi_ite_int_handler(const void *arg) } +void spi_event(enum gpio_signal signal) +{ + if (chipset_in_state(CHIPSET_STATE_ON)) { + /* Move to processing state */ + spi_set_state(SPI_STATE_PROCESSING); + /* Disable idle task deep sleep bit of SPI in S0. */ + /* TODO(b:185176098): disable_sleep(SLEEP_MASK_SPI); */ + } +} + /* * SHI init priority is behind CONFIG_PLATFORM_EC_GPIO_INIT_PRIORITY to * overwrite GPIO_INPUT setting of spi chip select pin. @@ -331,6 +342,9 @@ static int cros_shi_ite_init(const struct device *dev) IRQ_CONNECT(DT_INST_IRQN(0), 0, shi_ite_int_handler, 0, 0); irq_enable(DT_INST_IRQN(0)); + /* Enable SPI chip select pin interrupt */ + gpio_enable_interrupt(GPIO_SPI0_CS); + return 0; } SYS_INIT(cros_shi_ite_init, POST_KERNEL, 52); diff --git a/zephyr/projects/asurada/hayato/include/gpio_map.h b/zephyr/projects/asurada/hayato/include/gpio_map.h index 8e29b7268c..5f01f290d2 100644 --- a/zephyr/projects/asurada/hayato/include/gpio_map.h +++ b/zephyr/projects/asurada/hayato/include/gpio_map.h @@ -66,7 +66,9 @@ GPIO_INT(GPIO_PMIC_EC_PWRGD, \ GPIO_INT_EDGE_BOTH, power_signal_interrupt) \ GPIO_INT(GPIO_AP_EC_WARM_RST_REQ, \ - GPIO_INT_EDGE_RISING, chipset_reset_request_interrupt) + GPIO_INT_EDGE_RISING, chipset_reset_request_interrupt) \ + GPIO_INT(GPIO_SPI0_CS, \ + GPIO_INT_EDGE_FALLING, spi_event) #define GPIO_EN_PP5000 GPIO_EN_PP5000_A diff --git a/zephyr/projects/it8xxx2_evb/include/gpio_map.h b/zephyr/projects/it8xxx2_evb/include/gpio_map.h index b5b5d22500..c92b71d523 100644 --- a/zephyr/projects/it8xxx2_evb/include/gpio_map.h +++ b/zephyr/projects/it8xxx2_evb/include/gpio_map.h @@ -30,6 +30,8 @@ #define EC_CROS_GPIO_INTERRUPTS \ GPIO_INT(GPIO_LID_OPEN, GPIO_INT_EDGE_BOTH, lid_interrupt) \ GPIO_INT(GPIO_POWER_BUTTON_L, \ - GPIO_INT_EDGE_BOTH, power_button_interrupt) + GPIO_INT_EDGE_BOTH, power_button_interrupt) \ + GPIO_INT(GPIO_SPI0_CS, \ + GPIO_INT_EDGE_FALLING, spi_event) #endif /* __ZEPHYR_GPIO_MAP_H */ |