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rockchip: Use pwrseq for MMC start-up on jerry

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This is defined in the device tree in Linux. Copy over the settings so that
this can be used instead of hard-coding the reset line.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-01-21 19:43:36 -07:00
parent ec4ac4e7c0
commit 79d020ee74
3 changed files with 13 additions and 4 deletions
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15
arch/arm/dts/rk3288-veyron.dtsi
View File

@ -106,6 +106,13 @@
priority = /bits/ 8 <200>;
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
pinctrl-0 = <&emmc_reset>;
pinctrl-names = "default";
reset-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>;
};
sound {
compatible = "rockchip,rockchip-audio-max98090";
rockchip,model = "ROCKCHIP-I2S";
@ -259,11 +266,12 @@
bus-width = <8>;
cap-mmc-highspeed;
mmc-hs200-1_8v;
mmc-pwrseq = <&emmc_pwrseq>;
disable-wp;
non-removable;
num-slots = <1>;
pinctrl-names = "default";
pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_deassert_reset>;
pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_pwr>;
status = "okay";
};
@ -671,9 +679,8 @@
};
emmc {
/* Make sure eMMC is not in reset */
emmc_deassert_reset: emmc-deassert-reset {
rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_up>;
emmc_reset: emmc-reset {
rockchip,pins = <2 9 RK_FUNC_GPIO &pcfg_pull_none>;
};
/*

1
configs/chromebook_jerry_defconfig
View File

@ -23,6 +23,7 @@ CONFIG_SYS_I2C_ROCKCHIP=y
CONFIG_LED=y
CONFIG_SPL_LED=y
CONFIG_LED_GPIO=y
CONFIG_PWRSEQ=y
CONFIG_RESET=y
CONFIG_DM_MMC=y
CONFIG_ROCKCHIP_DWMMC=y

1
include/configs/rk3288_common.h
View File

@ -26,6 +26,7 @@
#define CONFIG_SYS_TIMER_COUNTER (CONFIG_SYS_TIMER_BASE + 8)
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_DRIVERS_MISC_SUPPORT
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT