Add usdhc1 support SD3.0.
Besides, add fsl,tuning-start-tap for all usdhc, imx usdhc IP
logic require the tuning-start-tap larger than 10, to make
sure the tuning logical can work normal.
Signed-off-by: Haibo Chen <haibo.chen@xxxxxxx>
---
arch/arm/boot/dts/imx7d-sdb.dts | 55 +++++++++++++++++++++++++++------
arch/arm/boot/dts/imx7s.dtsi | 6 ++++
2 files changed, 52 insertions(+), 9 deletions(-)
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 202922ed3754..ded43decf46c 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -87,6 +87,16 @@
regulator-max-microvolt = <1800000>;
};
+ reg_sd1_vmmc: regulator-sd1-vmmc {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_SD1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+ startup-delay-us = <200000>;
+ enable-active-high;
+ };
+
reg_brcm: regulator-brcm {
compatible = "regulator-fixed";
gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;
@@ -408,12 +418,13 @@
};
&usdhc1 {
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_usdhc1_gpio>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_usdhc1_gpio>;
cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
- wakeup-source;
- keep-power-in-suspend;
+ vmmc-supply = <®_sd1_vmmc>;
status = "okay";
};
@@ -426,7 +437,6 @@
keep-power-in-suspend;
non-removable;
vmmc-supply = <®_brcm>;
- fsl,tuning-step = <2>;
status = "okay";
};
@@ -438,7 +448,6 @@
assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
assigned-clock-rates = <400000000>;
bus-width = <8>;
- fsl,tuning-step = <2>;
non-removable;
status = "okay";
};
@@ -638,6 +647,15 @@
>;
};
+ pinctrl_usdhc1_gpio: usdhc1_gpiogrp {
+ fsl,pins = <
+ MX7D_PAD_SD1_CD_B__GPIO5_IO0 0x59 /* CD */
+ MX7D_PAD_SD1_WP__GPIO5_IO1 0x59 /* WP */
+ MX7D_PAD_SD1_RESET_B__GPIO5_IO2 0x59 /* vmmc */
+ MX7D_PAD_GPIO1_IO08__SD1_VSELECT 0x59 /* VSELECT */
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX7D_PAD_SD1_CMD__SD1_CMD 0x59
@@ -646,9 +664,28 @@
MX7D_PAD_SD1_DATA1__SD1_DATA1 0x59
MX7D_PAD_SD1_DATA2__SD1_DATA2 0x59
MX7D_PAD_SD1_DATA3__SD1_DATA3 0x59
- MX7D_PAD_SD1_CD_B__GPIO5_IO0 0x59 /* CD */
- MX7D_PAD_SD1_WP__GPIO5_IO1 0x59 /* WP */
- MX7D_PAD_SD1_RESET_B__GPIO5_IO2 0x59 /* vmmc */
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1grp_100mhz {
+ fsl,pins = <
+ MX7D_PAD_SD1_CMD__SD1_CMD 0x5a
+ MX7D_PAD_SD1_CLK__SD1_CLK 0x1a
+ MX7D_PAD_SD1_DATA0__SD1_DATA0 0x5a
+ MX7D_PAD_SD1_DATA1__SD1_DATA1 0x5a
+ MX7D_PAD_SD1_DATA2__SD1_DATA2 0x5a
+ MX7D_PAD_SD1_DATA3__SD1_DATA3 0x5a
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1grp_200mhz {
+ fsl,pins = <
+ MX7D_PAD_SD1_CMD__SD1_CMD 0x5b
+ MX7D_PAD_SD1_CLK__SD1_CLK 0x1b
+ MX7D_PAD_SD1_DATA0__SD1_DATA0 0x5b
+ MX7D_PAD_SD1_DATA1__SD1_DATA1 0x5b
+ MX7D_PAD_SD1_DATA2__SD1_DATA2 0x5b
+ MX7D_PAD_SD1_DATA3__SD1_DATA3 0x5b
>;
};
diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index e88f53a4c7f4..bee8dc2f614b 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -1036,6 +1036,8 @@
<&clks IMX7D_USDHC1_ROOT_CLK>;
clock-names = "ipg", "ahb", "per";
bus-width = <4>;
+ fsl,tuning-step = <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};
@@ -1048,6 +1050,8 @@
<&clks IMX7D_USDHC2_ROOT_CLK>;
clock-names = "ipg", "ahb", "per";
bus-width = <4>;
+ fsl,tuning-step = <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};
@@ -1060,6 +1064,8 @@
<&clks IMX7D_USDHC3_ROOT_CLK>;
clock-names = "ipg", "ahb", "per";
bus-width = <4>;
+ fsl,tuning-step = <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};
--
2.17.1
