diff options
| author | Ryan Zhang <Ryan.Zhang@quantatw.com> | 2015-12-04 10:21:15 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2015-12-06 20:41:33 -0800 |
| commit | 565db4519c7f13f8df1c331b6864ffc313179f85 (patch) | |
| tree | edf7207e1b466c4a9533966f1cceabb20a2037b0 | |
| parent | 5c8edccb941bf7fa76fac7a6cf3b16c1c0765577 (diff) | |
| download | chrome-ec-565db4519c7f13f8df1c331b6864ffc313179f85.tar.gz | |
Lars: Add PWM keyboard backlight support
+ pwm settings
BUG=None
BRANCH=lars
TEST=`make BOARD=lars -j`, OS can boot up normally
Change-Id: I8703261736802a81323077a85262da7d7a80cbc1
Signed-off-by: Ryan Zhang <Ryan.Zhang@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/315911
Reviewed-by: Shawn N <shawnn@chromium.org>
| -rw-r--r-- | board/lars/board.c | 8 | ||||
| -rw-r--r-- | board/lars/board.h | 8 | ||||
| -rw-r--r-- | board/lars/gpio.inc | 4 |
3 files changed, 19 insertions, 1 deletions
diff --git a/board/lars/board.c b/board/lars/board.c index 5eaea71f36..c747ae4d73 100644 --- a/board/lars/board.c +++ b/board/lars/board.c @@ -26,6 +26,8 @@ #include "pi3usb9281.h" #include "power.h" #include "power_button.h" +#include "pwm.h" +#include "pwm_chip.h" #include "spi.h" #include "switch.h" #include "system.h" @@ -103,6 +105,12 @@ const struct adc_t adc_channels[] = { }; BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); +/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ +const struct pwm_t pwm_channels[] = { + {1, 0}, +}; +BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); + const struct i2c_port_t i2c_ports[] = { {"pmic", MEC1322_I2C0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, {"muxes", MEC1322_I2C0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, diff --git a/board/lars/board.h b/board/lars/board.h index 97b981c712..7ac2d5f3fd 100644 --- a/board/lars/board.h +++ b/board/lars/board.h @@ -59,6 +59,8 @@ #define CONFIG_POWER_BUTTON_X86 #define CONFIG_POWER_COMMON #define CONFIG_POWER_SHUTDOWN_PAUSE_IN_S5 +#define CONFIG_PWM +#define CONFIG_PWM_KBLIGHT /* All data won't fit in data RAM. So, moving boundary slightly. */ #undef CONFIG_RO_SIZE #define CONFIG_RO_SIZE (104 * 1024) @@ -150,6 +152,12 @@ enum als_id { ALS_COUNT, }; +enum pwm_channel { + PWM_CH_KBLIGHT, + /* Number of PWM channels */ + PWM_CH_COUNT, +}; + /* power signal definitions */ enum power_signal { X86_RSMRST_L_PWRGD = 0, diff --git a/board/lars/gpio.inc b/board/lars/gpio.inc index 529b3c0ff8..eafaec98d6 100644 --- a/board/lars/gpio.inc +++ b/board/lars/gpio.inc @@ -50,7 +50,6 @@ GPIO(WLAN_OFF_L, PIN(132), GPIO_OUT_HIGH) /* Empty */ GPIO(PWRLED_L, PIN(133), GPIO_OUT_LOW) /* RCIN# line to PCH for 8042 emulation */ GPIO(PCH_RCIN_L, PIN(135), GPIO_ODR_HIGH) -GPIO(NC_136, PIN(136), GPIO_INPUT | GPIO_PULL_UP) GPIO(LDO_EN, PIN(211), GPIO_OUT_LOW) GPIO(NC_145, PIN(145), GPIO_INPUT | GPIO_PULL_UP) GPIO(NC_147, PIN(147), GPIO_INPUT | GPIO_PULL_UP) @@ -140,6 +139,9 @@ ALTERNATE(PIN_MASK(14, 0x01), 3, MODULE_PWM, 0) /* TACH2PWM_OUT - GPIO034 */ ALTERNATE(PIN_MASK(3, 0x10), 3, MODULE_PWM, 0) +/* PWM for KBLight */ +ALTERNATE(PIN_MASK(13, 0x40), 1, MODULE_PWM_KBLIGHT, 0) /* GP136 PWM1 */ + /* ADC pins */ /* ADC1 - GPIO057 / PPVAR_BOOSTIN_SENSE */ ALTERNATE(PIN_MASK(5, 0x80), 1, MODULE_ADC, GPIO_ANALOG) |