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authorIgor Opaniuk <igor.opaniuk@toradex.com>2019-06-06 12:06:12 +0300
committerShawn Guo <shawnguo@kernel.org>2019-06-12 21:15:32 +0800
commit20353143a27f4ded458910226d503207c9ae4688 (patch)
treea8a5a029eee9da775e365b3729415314d3f7104b
parentd7bfba7296ca02123938719c2192d1fae6e1b148 (diff)
ARM: dts: imx6ull-colibri: enable UHS-I for USDHC1
Allows to use the SD interface at a higher speed mode if the card supports it. For this the signaling voltage is switched from 3.3V to 1.8V under the usdhc1's drivers control. Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com> Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
-rw-r--r--arch/arm/boot/dts/imx6ul.dtsi4
-rw-r--r--arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi11
-rw-r--r--arch/arm/boot/dts/imx6ull-colibri.dtsi6
3 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index fc388b84bf22..91a0ced44e27 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -857,6 +857,8 @@
<&clks IMX6UL_CLK_USDHC1>,
<&clks IMX6UL_CLK_USDHC1>;
clock-names = "ipg", "ahb", "per";
+ fsl,tuning-step= <2>;
+ fsl,tuning-start-tap = <20>;
bus-width = <4>;
status = "disabled";
};
@@ -870,6 +872,8 @@
<&clks IMX6UL_CLK_USDHC2>;
clock-names = "ipg", "ahb", "per";
bus-width = <4>;
+ fsl,tuning-step= <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
index 006690ea98c0..b6147c76d159 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
@@ -145,13 +145,20 @@
};
&usdhc1 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_snvs_usdhc1_cd>;
- no-1-8-v;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz &pinctrl_snvs_usdhc1_cd>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz &pinctrl_snvs_usdhc1_cd>;
+ pinctrl-3 = <&pinctrl_usdhc1 &pinctrl_snvs_usdhc1_sleep_cd>;
cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
disable-wp;
wakeup-source;
keep-power-in-suspend;
vmmc-supply = <&reg_3v3>;
+ vqmmc-supply = <&reg_sd1_vmmc>;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi
index 9ad1da159768..d56728f03c35 100644
--- a/arch/arm/boot/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi
@@ -545,6 +545,12 @@
>;
};
+ pinctrl_snvs_usdhc1_sleep_cd: snvs-usdhc1-cd-grp-slp {
+ fsl,pins = <
+ MX6ULL_PAD_SNVS_TAMPER0__GPIO5_IO00 0x0
+ >;
+ };
+
pinctrl_snvs_wifi_pdn: snvs-wifi-pdn-grp {
fsl,pins = <
MX6ULL_PAD_BOOT_MODE1__GPIO5_IO11 0x14