UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

arm64: dts: qcom: sdm845: Fix cheza qspi pin config 

Cheza's SPI flash hookups (qspi) are exactly the same as trogdor's.
Apply the same solution that's described in the patch ("arm64: dts:
qcom: sc7180: Fix trogdor qspi pin config")

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230323102605.14.I82951106ab8170f973a4c1c7d9b034655bbe2f60@changeid
This commit is contained in:
Douglas Anderson 2023-03-23 10:30:18 -07:00 committed by Bjorn Andersson
parent 5f89df3109
commit 9f5cdeb703
2 changed files with 34 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
View File

@ -317,8 +317,9 @@
&qspi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&qspi_clk &qspi_cs0 &qspi_data01>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data0>, <&qspi_data1>;
pinctrl-1 = <&qspi_sleep>;
flash@0 {
compatible = "jedec,spi-nor";
@ -993,16 +994,19 @@ ap_ts_i2c: &i2c14 {
/* PINCTRL - additions to nodes defined in sdm845.dtsi */
&qspi_cs0 {
bias-disable;
bias-disable; /* External pullup */
};
&qspi_clk {
bias-disable;
bias-disable; /* Rely on Cr50 internal pulldown */
};
&qspi_data01 {
/* High-Z when no transfers; nice to park the lines */
bias-pull-up;
&qspi_data0 {
bias-disable; /* Rely on Cr50 internal pulldown */
};
&qspi_data1 {
bias-pull-down;
};
&qup_i2c3_default {
@ -1231,6 +1235,22 @@ ap_ts_i2c: &i2c14 {
output-high;
};
qspi_sleep: qspi-sleep-state {
pins = "gpio90", "gpio91", "gpio92", "gpio95";
/*
* When we're not actively transferring we want pins as GPIOs
* with output disabled so that the quad SPI IP block stops
* driving them. We rely on the normal pulls configured in
* the active state and don't redefine them here. Also note
* that we don't need the reverse (output-enable) in the
* normal mode since the "output-enable" only matters for
* GPIO function.
*/
function = "gpio";
output-disable;
};
sdc2_clk: sdc2-clk-state {
pins = "sdc2_clk";
bias-disable;

9
arch/arm64/boot/dts/qcom/sdm845.dtsi
View File

@ -2767,8 +2767,13 @@
function = "qspi_cs";
};
qspi_data01: qspi-data01-state {
pins = "gpio91", "gpio92";
qspi_data0: qspi-data0-state {
pins = "gpio91";
function = "qspi_data";
};
qspi_data1: qspi-data1-state {
pins = "gpio92";
function = "qspi_data";
};