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authorSimon Glass <sjg@chromium.org>2021-01-21 13:57:07 -0700
committerSimon Glass <sjg@chromium.org>2021-01-30 14:25:41 -0700
commit442e6305b5b02d689774a0bf73311643ffa0df6f (patch)
tree9a02dc0eb54ecce032b4fa8cf9ce6b2c7a19f01f /arch/x86/dts
parent1426174f3fb0727321531504afbde110ef716573 (diff)
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x86: coral: Support TPM and RTC in SPL
Update the devicetree so that the TPM and RTC can be used in SPL. Also enable the pins used for getting the memory configuration settings while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/dts')
-rw-r--r--arch/x86/dts/chromebook_coral.dts20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/x86/dts/chromebook_coral.dts b/arch/x86/dts/chromebook_coral.dts
index 965f592..9319123 100644
--- a/arch/x86/dts/chromebook_coral.dts
+++ b/arch/x86/dts/chromebook_coral.dts
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/gpio/x86-gpio.h>
/include/ "skeleton.dtsi"
@@ -99,6 +100,7 @@
clk: clock {
compatible = "intel,apl-clk";
#clock-cells = <1>;
+ u-boot,dm-pre-reloc;
};
cpus {
@@ -139,6 +141,7 @@
};
acpi_gpe: general-purpose-events {
+ u-boot,dm-pre-reloc;
reg = <IOMAP_ACPI_BASE IOMAP_ACPI_SIZE>;
compatible = "intel,acpi-gpe";
interrupt-controller;
@@ -417,8 +420,10 @@
};
i2c_2: i2c2@16,2 {
- compatible = "intel,apl-i2c";
+ compatible = "intel,apl-i2c", "snps,designware-i2c-pci";
reg = <0x0200b210 0 0 0 0>;
+ early-regs = <IOMAP_I2C2_BASE 0x1000>;
+ u-boot,dm-pre-reloc;
#address-cells = <1>;
#size-cells = <0>;
clock-frequency = <400000>;
@@ -429,6 +434,7 @@
tpm: tpm@50 {
reg = <0x50>;
compatible = "google,cr50";
+ u-boot,dm-pre-reloc;
u-boot,i2c-offset-len = <0>;
ready-gpios = <&gpio_n 28 GPIO_ACTIVE_LOW>;
interrupts-extended = <&acpi_gpe GPIO_28_IRQ
@@ -583,6 +589,7 @@
u-boot,dm-pre-reloc;
cros_ec: cros-ec {
u-boot,dm-pre-proper;
+ u-boot,dm-vpl;
compatible = "google,cros-ec-lpc";
reg = <0x204 1 0x200 1 0x880 0x80>;
@@ -658,6 +665,11 @@
PAD_CFG_NF(LPC_AD3, UP_20K, DEEP, NF1) /* LPC_AD3 */
PAD_CFG_NF(LPC_CLKRUNB, UP_20K, DEEP, NF1) /* LPC_CLKRUN_N */
PAD_CFG_NF(LPC_FRAMEB, NATIVE, DEEP, NF1) /* LPC_FRAME_N */
+
+ PAD_CFG_GPI(GPIO_101, NONE, DEEP) /* FST_IO2 -- MEM_CONFIG0 */
+ PAD_CFG_GPI(GPIO_102, NONE, DEEP) /* FST_IO3 -- MEM_CONFIG1 */
+ PAD_CFG_GPI(GPIO_38, NONE, DEEP) /* LPSS_UART0_RXD - MEM_CONFIG2*/
+ PAD_CFG_GPI(GPIO_45, NONE, DEEP) /* LPSS_UART1_CTS - MEM_CONFIG3 */
>;
};
@@ -1211,3 +1223,9 @@
PAD_CFG_GPI(GPIO_73, UP_20K, DEEP) /* GP_CAMERASB11 */
>;
};
+
+&rtc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ u-boot,dm-pre-reloc;
+};