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-rw-r--r--src/mainboard/google/rambi/acpi/mainboard.asl80
-rw-r--r--src/mainboard/google/rambi/gpio.c6
-rw-r--r--src/mainboard/google/rambi/irqroute.h7
-rw-r--r--src/mainboard/google/rambi/onboard.h2
4 files changed, 93 insertions, 2 deletions
diff --git a/src/mainboard/google/rambi/acpi/mainboard.asl b/src/mainboard/google/rambi/acpi/mainboard.asl
index 9b16272a14..501bbf7020 100644
--- a/src/mainboard/google/rambi/acpi/mainboard.asl
+++ b/src/mainboard/google/rambi/acpi/mainboard.asl
@@ -205,6 +205,86 @@ Scope (\_SB.I2C1)
}
}
+Scope (\_SB.I2C2)
+{
+ Device (CODC)
+ {
+ /*
+ * TODO(dlaurie): Need official HID.
+ *
+ * The current HID is created from the Maxim Integrated
+ * PCI Vendor ID 193Ch and a shortened device identifier.
+ */
+ Name (_HID, "193C9890")
+ Name (_DDN, "Maxim 98090 Codec")
+ Name (_UID, 1)
+
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ 0x10, // SlaveAddress
+ ControllerInitiated, // SlaveMode
+ 400000, // ConnectionSpeed
+ AddressingMode7Bit, // AddressingMode
+ "\_SB.I2C2", // ResourceSource
+ )
+ Interrupt (ResourceConsumer, Edge, ActiveLow)
+ {
+ BOARD_CODEC_IRQ
+ }
+ })
+
+ Method (_STA)
+ {
+ If (LEqual (\S2EN, 1)) {
+ Return (0xF)
+ } Else {
+ Return (0x0)
+ }
+ }
+ }
+}
+
+Scope (\_SB.I2C5)
+{
+ Device (ALSI)
+ {
+ /*
+ * TODO(dlaurie): Need official HID.
+ *
+ * The current HID is created from the Intersil PNP
+ * Vendor ID "LSD" and a shortened device identifier.
+ */
+ Name (_HID, EisaId ("LSD2918"))
+ Name (_DDN, "Intersil 29018 Ambient Light Sensor")
+ Name (_UID, 1)
+
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ 0x44, // SlaveAddress
+ ControllerInitiated, // SlaveMode
+ 400000, // ConnectionSpeed
+ AddressingMode7Bit, // AddressingMode
+ "\_SB.I2C5", // ResourceSource
+ )
+ Interrupt (ResourceConsumer, Edge, ActiveLow)
+ {
+ BOARD_ALS_IRQ
+ }
+ })
+
+ Method (_STA)
+ {
+ If (LEqual (\S5EN, 1)) {
+ Return (0xF)
+ } Else {
+ Return (0x0)
+ }
+ }
+ }
+}
+
Scope (\_SB.I2C6)
{
Device (ATSB)
diff --git a/src/mainboard/google/rambi/gpio.c b/src/mainboard/google/rambi/gpio.c
index 281709a7f9..d551a15697 100644
--- a/src/mainboard/google/rambi/gpio.c
+++ b/src/mainboard/google/rambi/gpio.c
@@ -126,7 +126,7 @@ static const struct soc_gpio_map gpscore_gpio_map[] = {
GPIO_FUNC1, /* S0-SC067 - SIO_SPI_MISO */
GPIO_FUNC1, /* S0-SC068 - SIO_SPI_MOSI */
GPIO_FUNC1, /* S0-SC069 - SIO_SPI_CLK */
- GPIO_INPUT, /* S0-SC070 - ALS_INT_L - INT */
+ GPIO_DIRQ, /* S0-SC070 - ALS_INT_L - INT */
GPIO_NC, /* S0-SC071 - NC */
GPIO_DIRQ, /* S0-SC072 - TOUCH_INT_L_DX */
GPIO_NC, /* S0-SC073 - NC */
@@ -172,7 +172,7 @@ static const struct soc_gpio_map gpssus_gpio_map[] = {
GPIO_INPUT_PU, /* S506 - PCH_SPI_WP */
GPIO_ACPI_SMI, /* S507 - SOC_KBC_SMI - INT */
GPIO_NC, /* S508 - NC */
- GPIO_NC, /* S509 - MUX_AUD_INT1# (NC) */
+ GPIO_DIRQ, /* S509 - MUX_AUD_INT1# */
GPIO_OUT_HIGH, /* S510 - WIFI_DISABLE_L */
GPIO_FUNC0, /* S511 - SUSPWRDNACK */
GPIO_FUNC0, /* S512 - WIFI_SUSCLK */
@@ -214,9 +214,11 @@ static const u8 core_dedicated_irq[GPIO_MAX_DIRQS] = {
[TPAD_IRQ_OFFSET] = TPAD_IRQ_GPIO,
[TOUCH_IRQ_OFFSET] = TOUCH_IRQ_GPIO,
[I8042_IRQ_OFFSET] = I8042_IRQ_GPIO,
+ [ALS_IRQ_OFFSET] = ALS_IRQ_GPIO,
};
static const u8 sus_dedicated_irq[GPIO_MAX_DIRQS] = {
+ [CODEC_IRQ_OFFSET] = CODEC_IRQ_GPIO,
};
static struct soc_gpio_config gpio_config = {
diff --git a/src/mainboard/google/rambi/irqroute.h b/src/mainboard/google/rambi/irqroute.h
index 3e1d1a9428..733979381e 100644
--- a/src/mainboard/google/rambi/irqroute.h
+++ b/src/mainboard/google/rambi/irqroute.h
@@ -50,7 +50,14 @@
#define TPAD_IRQ_OFFSET 0
#define TOUCH_IRQ_OFFSET 1
#define I8042_IRQ_OFFSET 2
+#define ALS_IRQ_OFFSET 3
/* Corresponding SCORE GPIO pins */
#define TPAD_IRQ_GPIO 55
#define TOUCH_IRQ_GPIO 72
#define I8042_IRQ_GPIO 101
+#define ALS_IRQ_GPIO 70
+
+/* SUS bank DIRQs - up to 16 supported */
+#define CODEC_IRQ_OFFSET 0
+/* Corresponding SUS GPIO pins */
+#define CODEC_IRQ_GPIO 9
diff --git a/src/mainboard/google/rambi/onboard.h b/src/mainboard/google/rambi/onboard.h
index 7f5d88525f..8fb7a3f5cc 100644
--- a/src/mainboard/google/rambi/onboard.h
+++ b/src/mainboard/google/rambi/onboard.h
@@ -35,5 +35,7 @@
#define BOARD_TOUCHSCREEN_I2C_ADDR 0x4a /* TODO(shawnn): Check this */
#define BOARD_I8042_IRQ GPIO_S0_DED_IRQ(I8042_IRQ_OFFSET)
+#define BOARD_CODEC_IRQ GPIO_S5_DED_IRQ(CODEC_IRQ_OFFSET)
+#define BOARD_ALS_IRQ GPIO_S0_DED_IRQ(ALS_IRQ_OFFSET)
#endif