diff options
| author | Simon Glass <sjg@chromium.org> | 2020-02-06 09:55:02 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-02-07 22:46:35 +0800 |
| commit | fa78604da83eec4b362d3d2dec5493165071e74f (patch) | |
| tree | a826de6ee6cc3a73bd8a779f6c54b53cbee7e220 | |
| parent | e85cbe8b34147126cdd5dab09f4c745157f6083c (diff) | |
| download | u-boot-fa78604da83eec4b362d3d2dec5493165071e74f.tar.gz | |
x86: coral: Add I2C and TPM device-tree definitions
Add nodes to the device tree for Cr50 and other available I2C ports. Also
enable the ACPI interrupt driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | arch/x86/cpu/apollolake/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/dts/chromebook_coral.dts | 88 |
2 files changed, 89 insertions, 0 deletions
diff --git a/arch/x86/cpu/apollolake/Kconfig b/arch/x86/cpu/apollolake/Kconfig index 8a7481555e..942f11f566 100644 --- a/arch/x86/cpu/apollolake/Kconfig +++ b/arch/x86/cpu/apollolake/Kconfig @@ -44,6 +44,7 @@ config INTEL_APOLLOLAKE imply CLK imply CMD_CLK imply CLK_INTEL + imply ACPI_GPE if INTEL_APOLLOLAKE diff --git a/arch/x86/dts/chromebook_coral.dts b/arch/x86/dts/chromebook_coral.dts index a4a9e949e6..44a4619a66 100644 --- a/arch/x86/dts/chromebook_coral.dts +++ b/arch/x86/dts/chromebook_coral.dts @@ -20,6 +20,7 @@ #include <asm/arch-apollolake/gpio.h> #include <asm/arch-apollolake/iomap.h> #include <asm/arch-apollolake/pm.h> +#include <dt-bindings/clock/intel-clock.h> / { model = "Google Coral"; @@ -29,6 +30,14 @@ cros-ec0 = &cros_ec; fsp = &fsp_s; spi0 = &spi; + i2c0 = &i2c_0; + i2c1 = &i2c_1; + i2c2 = &i2c_2; + i2c3 = &i2c_3; + i2c4 = &i2c_4; + i2c5 = &i2c_5; + i2c6 = &i2c_6; + i2c7 = &i2c_7; }; config { @@ -80,6 +89,13 @@ }; + acpi_gpe: general-purpose-events { + reg = <IOMAP_ACPI_BASE IOMAP_ACPI_SIZE>; + compatible = "intel,acpi-gpe"; + interrupt-controller; + #interrupt-cells = <2>; + }; + keyboard { intel,duplicate-por; }; @@ -248,6 +264,78 @@ }; }; + i2c_0: i2c2@16,0 { + compatible = "intel,apl-i2c"; + reg = <0x0200b010 0 0 0 0>; + clocks = <&clk CLK_I2C>; + i2c-scl-rising-time-ns = <104>; + i2c-scl-falling-time-ns = <52>; + }; + + i2c_1: i2c2@16,1 { + compatible = "intel,apl-i2c"; + reg = <0x0200b110 0 0 0 0>; + clocks = <&clk CLK_I2C>; + status = "disabled"; + }; + + i2c_2: i2c2@16,2 { + compatible = "intel,apl-i2c"; + reg = <0x0200b210 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + clock-frequency = <400000>; + clocks = <&clk CLK_I2C>; + i2c-scl-rising-time-ns = <57>; + i2c-scl-falling-time-ns = <28>; + tpm@50 { + reg = <0x50>; + compatible = "google,cr50"; + u-boot,i2c-offset-len = <0>; + ready-gpio = <&gpio_n 28 GPIO_ACTIVE_LOW>; + interrupts-extended = <&acpi_gpe 0x3c 0>; + }; + }; + + i2c_3: i2c2@16,3 { + compatible = "intel,apl-i2c"; + reg = <0x0200b110 0 0 0 0>; + clocks = <&clk CLK_I2C>; + i2c-scl-rising-time-ns = <76>; + i2c-scl-falling-time-ns = <164>; + }; + + i2c_4: i2c2@17,0 { + compatible = "intel,apl-i2c"; + reg = <0x0200b110 0 0 0 0>; + clocks = <&clk CLK_I2C>; + i2c-sda-hold-time-ns = <350>; + i2c-scl-rising-time-ns = <114>; + i2c-scl-falling-time-ns = <164>; + }; + + i2c_5: i2c2@17,1 { + compatible = "intel,apl-i2c"; + reg = <0x0200b110 0 0 0 0>; + clocks = <&clk CLK_I2C>; + i2c-scl-rising-time-ns = <76>; + i2c-scl-falling-time-ns = <164>; + }; + + i2c_6: i2c2@17,2 { + compatible = "intel,apl-i2c"; + reg = <0x0200b110 0 0 0 0>; + clocks = <&clk CLK_I2C>; + status = "disabled"; + }; + + i2c_7: i2c2@17,3 { + compatible = "intel,apl-i2c"; + reg = <0x0200b110 0 0 0 0>; + clocks = <&clk CLK_I2C>; + status = "disabled"; + }; + serial: serial@18,2 { reg = <0x0200c210 0 0 0 0>; u-boot,dm-pre-reloc; |