iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm64: dts: meson: fix mmc pin bias

Browse Source 
Clk pin does not require bias, data strobe should be pulled low.
The rest of the pin (data and cmd) are pulled up.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2019-04-18 14:27:11 +02:00 committed by Kevin Hilman
parent ffab3fd6ae
commit b43033b199
4 changed files with 76 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
View File

@ -482,8 +482,8 @@
/* emmc storage */
&sd_emmc_c {
status = "disabled";
pinctrl-0 = <&emmc_pins>;
status = "okay";
pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";

31
arch/arm64/boot/dts/amlogic/meson-axg.dtsi
View File

@ -299,7 +299,7 @@
};
emmc_pins: emmc {
mux {
mux-0 {
groups = "emmc_nand_d0",
"emmc_nand_d1",
"emmc_nand_d2",
@ -308,14 +308,26 @@
"emmc_nand_d5",
"emmc_nand_d6",
"emmc_nand_d7",
"emmc_clk",
"emmc_cmd",
"emmc_ds";
"emmc_cmd";
function = "emmc";
bias-pull-up;
};
mux-1 {
groups = "emmc_clk";
function = "emmc";
bias-disable;
};
};
emmc_ds_pins: emmc_ds {
mux {
groups = "emmc_ds";
function = "emmc";
bias-pull-down;
};
};
emmc_clk_gate_pins: emmc_clk_gate {
mux {
groups = "BOOT_8";
@ -559,13 +571,18 @@
};
sdio_pins: sdio {
mux {
mux-0 {
groups = "sdio_d0",
"sdio_d1",
"sdio_d2",
"sdio_d3",
"sdio_cmd",
"sdio_clk";
"sdio_cmd";
function = "sdio";
bias-pull-up;
};
mux-1 {
groups = "sdio_clk";
function = "sdio";
bias-disable;
};

35
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
View File

@ -381,10 +381,15 @@
};
emmc_pins: emmc {
mux {
mux-0 {
groups = "emmc_nand_d07",
"emmc_cmd",
"emmc_clk";
"emmc_cmd";
function = "emmc";
bias-pull-up;
};
mux-1 {
groups = "emmc_clk";
function = "emmc";
bias-disable;
};
@ -394,7 +399,7 @@
mux {
groups = "emmc_ds";
function = "emmc";
bias-disable;
bias-pull-down;
};
};
@ -436,13 +441,18 @@
};
sdcard_pins: sdcard {
mux {
mux-0 {
groups = "sdcard_d0",
"sdcard_d1",
"sdcard_d2",
"sdcard_d3",
"sdcard_cmd",
"sdcard_clk";
"sdcard_cmd";
function = "sdcard";
bias-pull-up;
};
mux-1 {
groups = "sdcard_clk";
function = "sdcard";
bias-disable;
};
@ -457,13 +467,18 @@
};
sdio_pins: sdio {
mux {
mux-0 {
groups = "sdio_d0",
"sdio_d1",
"sdio_d2",
"sdio_d3",
"sdio_cmd",
"sdio_clk";
"sdio_cmd";
function = "sdio";
bias-pull-up;
};
mux-1 {
groups = "sdio_clk";
function = "sdio";
bias-disable;
};

35
arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
View File

@ -326,10 +326,15 @@
};
emmc_pins: emmc {
mux {
mux-0 {
groups = "emmc_nand_d07",
"emmc_cmd",
"emmc_clk";
"emmc_cmd";
function = "emmc";
bias-pull-up;
};
mux-1 {
groups = "emmc_clk";
function = "emmc";
bias-disable;
};
@ -339,7 +344,7 @@
mux {
groups = "emmc_ds";
function = "emmc";
bias-disable;
bias-pull-down;
};
};
@ -381,13 +386,18 @@
};
sdcard_pins: sdcard {
mux {
mux-0 {
groups = "sdcard_d0",
"sdcard_d1",
"sdcard_d2",
"sdcard_d3",
"sdcard_cmd",
"sdcard_clk";
"sdcard_cmd";
function = "sdcard";
bias-pull-up;
};
mux-1 {
groups = "sdcard_clk";
function = "sdcard";
bias-disable;
};
@ -402,13 +412,18 @@
};
sdio_pins: sdio {
mux {
mux-0 {
groups = "sdio_d0",
"sdio_d1",
"sdio_d2",
"sdio_d3",
"sdio_cmd",
"sdio_clk";
"sdio_cmd";
function = "sdio";
bias-pull-up;
};
mux-1 {
groups = "sdio_clk";
function = "sdio";
bias-disable;
};