github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-07 05:55:44 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: amlogic: gxl: set i2c bias to pull-up

Browse Source 
GXL I2C pins need internal pull-up enabled to operate if there
is no external resistor. The pull-up is 60kohms per the datasheet.

We should set the bias when i2c pinmux is enabled.

Signed-off-by: Da Xue <da@libre.computer>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250425203118.1444481-1-da@libre.computer
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Da Xue 2025-04-25 16:31:18 -04:00 committed by Neil Armstrong
parent 1a30661c20
commit 16d4daa00e
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
View File

@ -214,7 +214,7 @@ mux {
groups = "i2c_sck_ao",
"i2c_sda_ao";
function = "i2c_ao";
bias-disable;
bias-pull-up;
};
};
@ -576,7 +576,7 @@ mux {
groups = "i2c_sck_a",
"i2c_sda_a";
function = "i2c_a";
bias-disable;
bias-pull-up;
};
};
@ -585,7 +585,7 @@ mux {
groups = "i2c_sck_b",
"i2c_sda_b";
function = "i2c_b";
bias-disable;
bias-pull-up;
};
};
@ -594,7 +594,7 @@ mux {
groups = "i2c_sck_c",
"i2c_sda_c";
function = "i2c_c";
bias-disable;
bias-pull-up;
};
};
@ -603,7 +603,7 @@ mux {
groups = "i2c_sck_c_dv19",
"i2c_sda_c_dv18";
function = "i2c_c";
bias-disable;
bias-pull-up;
};
};