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authorAndreas Dannenberg <dannenberg@ti.com>2019-06-04 18:08:15 -0500
committerTom Rini <trini@konsulko.com>2019-07-17 11:13:18 -0400
commit7e0363b285f357f78435bb42805e40b9c127f482 (patch)
treebcddd8d377d963485017a583a6df5e7e2e18a24e /arch/arm/dts
parentbbe59169ee9c4b333f4894808278afb362fc9082 (diff)
arm: dts: k3-am654-base-board: Enable wkup_i2c0 across all boot stages
To enable the use of an EEPROM-based board detection scheme we need to be able to access the I2C bus associated with the EEPROMs across all 3 stages of U-Boot: R5 SPL, A53 SPL, and A53 U-Boot (proper). So go ahead and add/update the wkup_i2c0 peripheral module DTS definitions and its associated pinmux node accordingly. Signed-off-by: Andreas Dannenberg <dannenberg@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'arch/arm/dts')
-rw-r--r--arch/arm/dts/k3-am65.dtsi1
-rw-r--r--arch/arm/dts/k3-am654-base-board-u-boot.dtsi12
-rw-r--r--arch/arm/dts/k3-am654-base-board.dts15
-rw-r--r--arch/arm/dts/k3-am654-r5-base-board.dts13
4 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-am65.dtsi b/arch/arm/dts/k3-am65.dtsi
index 1de84fffab..47271938b3 100644
--- a/arch/arm/dts/k3-am65.dtsi
+++ b/arch/arm/dts/k3-am65.dtsi
@@ -8,6 +8,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/k3.h>
/ {
model = "Texas Instruments K3 AM654 SoC";
diff --git a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
index 5d9ecb669f..449b1ddd79 100644
--- a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
@@ -222,6 +222,14 @@
u-boot,dm-spl;
};
+&wkup_pmx0 {
+ u-boot,dm-spl;
+
+ wkup_i2c0_pins_default {
+ u-boot,dm-spl;
+ };
+};
+
&main_pmx0 {
u-boot,dm-spl;
main_uart0_pins_default: main_uart0_pins_default {
@@ -349,3 +357,7 @@
reg-names = "gmii-sel";
};
};
+
+&wkup_i2c0 {
+ u-boot,dm-spl;
+};
diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts
index ab233916c6..248d60e89b 100644
--- a/arch/arm/dts/k3-am654-base-board.dts
+++ b/arch/arm/dts/k3-am654-base-board.dts
@@ -55,6 +55,15 @@
};
};
+&wkup_pmx0 {
+ wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
+ AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
+ >;
+ };
+};
+
&sdhci0 {
pinctrl-names = "default";
pinctrl-0 = <&main_mmc0_pins_default>;
@@ -62,3 +71,9 @@
non-removable;
ti,driver-strength-ohm = <50>;
};
+
+&wkup_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_i2c0_pins_default>;
+ clock-frequency = <400000>;
+};
diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts
index 8deda328d0..9d9b3d5852 100644
--- a/arch/arm/dts/k3-am654-r5-base-board.dts
+++ b/arch/arm/dts/k3-am654-r5-base-board.dts
@@ -136,6 +136,13 @@
>;
u-boot,dm-spl;
};
+
+ wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
+ AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
+ >;
+ };
};
&main_pmx0 {
@@ -176,3 +183,9 @@
/delete-property/ power-domains;
ti,driver-strength-ohm = <50>;
};
+
+&wkup_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_i2c0_pins_default>;
+ clock-frequency = <400000>;
+};