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arm64: dts: ti: k3-j721e: Enable I2C nodes at the board level

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I2C nodes defined in the top-level J721e SoC dtsi files are incomplete
and will not be functional unless they are extended with pinmux
information.

As the pinmux is only known at the board integration level, these
nodes should only be enabled when provided with this information.

Disable the I2C nodes in the dtsi files and only enable the ones that
are actually pinned out on a given board.

Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20221020160305.18711-3-afd@ti.com
This commit is contained in:
Andrew Davis
2022-10-20 11:02:55 -05:00
committed by Nishanth Menon
parent fe17e20fde
commit 282c4ad3b8
4 changed files with 17 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
View File

@@ -529,6 +529,7 @@ adc {
};
&main_i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;
@@ -565,6 +566,7 @@ p10-hog {
};
&main_i2c1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c1_pins_default>;
clock-frequency = <400000>;
@@ -590,6 +592,7 @@ &k3_clks {
};
&main_i2c3 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c3_pins_default>;
clock-frequency = <400000>;
@@ -628,6 +631,7 @@ pcm3168a_1: audio-codec@44 {
};
&main_i2c6 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c6_pins_default>;
clock-frequency = <400000>;

7
arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
View File

@@ -1229,6 +1229,7 @@ main_i2c0: i2c@2000000 {
clock-names = "fck";
clocks = <&k3_clks 187 0>;
power-domains = <&k3_pds 187 TI_SCI_PD_SHARED>;
status = "disabled";
};
main_i2c1: i2c@2010000 {
@@ -1240,6 +1241,7 @@ main_i2c1: i2c@2010000 {
clock-names = "fck";
clocks = <&k3_clks 188 0>;
power-domains = <&k3_pds 188 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
main_i2c2: i2c@2020000 {
@@ -1251,6 +1253,7 @@ main_i2c2: i2c@2020000 {
clock-names = "fck";
clocks = <&k3_clks 189 0>;
power-domains = <&k3_pds 189 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
main_i2c3: i2c@2030000 {
@@ -1262,6 +1265,7 @@ main_i2c3: i2c@2030000 {
clock-names = "fck";
clocks = <&k3_clks 190 0>;
power-domains = <&k3_pds 190 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
main_i2c4: i2c@2040000 {
@@ -1273,6 +1277,7 @@ main_i2c4: i2c@2040000 {
clock-names = "fck";
clocks = <&k3_clks 191 0>;
power-domains = <&k3_pds 191 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
main_i2c5: i2c@2050000 {
@@ -1284,6 +1289,7 @@ main_i2c5: i2c@2050000 {
clock-names = "fck";
clocks = <&k3_clks 192 0>;
power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
main_i2c6: i2c@2060000 {
@@ -1295,6 +1301,7 @@ main_i2c6: i2c@2060000 {
clock-names = "fck";
clocks = <&k3_clks 193 0>;
power-domains = <&k3_pds 193 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
ufs_wrapper: ufs-wrapper@4e80000 {

3
arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
View File

@@ -147,6 +147,7 @@ mcu_i2c0: i2c@40b00000 {
clock-names = "fck";
clocks = <&k3_clks 194 0>;
power-domains = <&k3_pds 194 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
mcu_i2c1: i2c@40b10000 {
@@ -158,6 +159,7 @@ mcu_i2c1: i2c@40b10000 {
clock-names = "fck";
clocks = <&k3_clks 195 0>;
power-domains = <&k3_pds 195 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
wkup_i2c0: i2c@42120000 {
@@ -169,6 +171,7 @@ wkup_i2c0: i2c@42120000 {
clock-names = "fck";
clocks = <&k3_clks 197 0>;
power-domains = <&k3_pds 197 TI_SCI_PD_SHARED>;
status = "disabled";
};
fss: fss@47000000 {

23
arch/arm64/boot/dts/ti/k3-j721e-sk.dts
View File

@@ -537,6 +537,7 @@ &ospi1 {
};
&main_i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;
@@ -564,18 +565,15 @@ i2c@1 {
};
&main_i2c1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c1_pins_default>;
/* i2c1 is used for DVI DDC, so we need to use 100kHz */
clock-frequency = <100000>;
};
&main_i2c2 {
/* Unused */
status = "disabled";
};
&main_i2c3 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c3_pins_default>;
clock-frequency = <400000>;
@@ -602,21 +600,6 @@ i2c@1 {
};
};
&main_i2c4 {
/* Unused */
status = "disabled";
};
&main_i2c5 {
/* Brought out on RPi Header */
status = "disabled";
};
&main_i2c6 {
/* Unused */
status = "disabled";
};
&main_gpio2 {
status = "disabled";
};