ARM: dts: msm: add sdhc pinctrl drive types for SDM845
SD card interface uses fixed drive strength for each
pins. This change adds more pin drive types for different
clock rates so that driver can choose specific drive
type after clock rate is changed.
Change-Id: I0ea0110f5f111830bd8dd6a43d59ce725fc496ab
Signed-off-by: Can Guo <cang@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm845-pinctrl.dtsi b/arch/arm64/boot/dts/qcom/sdm845-pinctrl.dtsi
index a0207e5..5035c9f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-pinctrl.dtsi
@@ -142,6 +142,38 @@
};
};
+ sdc2_clk_ds_400KHz: sdc2_clk_ds_400KHz {
+ config {
+ pins = "sdc2_clk";
+ bias-disable; /* NO pull */
+ drive-strength = <16>; /* 16 MA */
+ };
+ };
+
+ sdc2_clk_ds_50MHz: sdc2_clk_ds_50MHz {
+ config {
+ pins = "sdc2_clk";
+ bias-disable; /* NO pull */
+ drive-strength = <16>; /* 16 MA */
+ };
+ };
+
+ sdc2_clk_ds_100MHz: sdc2_clk_ds_100MHz {
+ config {
+ pins = "sdc2_clk";
+ bias-disable; /* NO pull */
+ drive-strength = <16>; /* 16 MA */
+ };
+ };
+
+ sdc2_clk_ds_200MHz: sdc2_clk_ds_200MHz {
+ config {
+ pins = "sdc2_clk";
+ bias-disable; /* NO pull */
+ drive-strength = <16>; /* 16 MA */
+ };
+ };
+
sdc2_cmd_on: sdc2_cmd_on {
config {
pins = "sdc2_cmd";
@@ -158,6 +190,38 @@
};
};
+ sdc2_cmd_ds_400KHz: sdc2_cmd_ds_400KHz {
+ config {
+ pins = "sdc2_cmd";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
+ sdc2_cmd_ds_50MHz: sdc2_cmd_ds_50MHz {
+ config {
+ pins = "sdc2_cmd";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
+ sdc2_cmd_ds_100MHz: sdc2_cmd_ds_100MHz {
+ config {
+ pins = "sdc2_cmd";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
+ sdc2_cmd_ds_200MHz: sdc2_cmd_ds_200MHz {
+ config {
+ pins = "sdc2_cmd";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
sdc2_data_on: sdc2_data_on {
config {
pins = "sdc2_data";
@@ -174,6 +238,38 @@
};
};
+ sdc2_data_ds_400KHz: sdc2_data_ds_400KHz {
+ config {
+ pins = "sdc2_data";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
+ sdc2_data_ds_50MHz: sdc2_data_ds_50MHz {
+ config {
+ pins = "sdc2_data";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
+ sdc2_data_ds_100MHz: sdc2_data_ds_100MHz {
+ config {
+ pins = "sdc2_data";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
+ sdc2_data_ds_200MHz: sdc2_data_ds_200MHz {
+ config {
+ pins = "sdc2_data";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+ };
+
pcie0 {
pcie0_clkreq_default: pcie0_clkreq_default {
mux {