hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ARM: ux500: convert Snowball SPI pin reference 

The SPI0 block is not at all connected to the AB8500 on the
Snowball: it is connected to the external header. These pins
on the header may also be used for GPIO, but let's assume
that SPI is a probable usecase on the Snowball and mux in the
SPI block and use these for SPI.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-11-17 11:13:21 +01:00
parent a48bf4b9fc
commit fd8f9eac9d
2 changed files with 28 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
arch/arm/boot/dts/ste-snowball.dts
View File

@ -248,6 +248,11 @@
pinctrl-1 = <&i2c3_sleep_mode>;
};
ssp@80002000 {
pinctrl-names = "default";
pinctrl-0 = <&ssp0_snowball_mode>;
};
cpufreq-cooling {
status = "okay";
};
@ -386,6 +391,29 @@
};
};
ssp0 {
ssp0_snowball_mode: ssp0_snowball_default {
snowball_mux {
ste,function = "ssp0";
ste,pins = "ssp0_a_1";
};
snowball_cfg1 {
ste,pins = "GPIO144_B13"; /* FRM */
ste,config = <&gpio_out_hi>;
};
snowball_cfg2 {
ste,pins = "GPIO145_C13"; /* RXD */
ste,config = <&in_pd>;
};
snowball_cfg3 {
ste,pins =
"GPIO146_D13", /* TXD */
"GPIO143_D12"; /* CLK */
ste,config = <&out_lo>;
};
};
};
};
mcde@a0350000 {

5
arch/arm/mach-ux500/board-mop500-pins.c
View File

@ -19,8 +19,6 @@
/* These simply sets bias for pins */
#define BIAS(a,b) static unsigned long a[] = { b }
BIAS(pd, PIN_PULL_DOWN);
BIAS(abx500_out_lo, PIN_CONF_PACKED(PIN_CONFIG_OUTPUT, 0));
BIAS(abx500_in_pd, PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_DOWN, 1));
BIAS(abx500_in_nopull, PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_DOWN, 0));
@ -299,9 +297,6 @@ static struct pinctrl_map __initdata ab8505_pinmap[] = {
};
static struct pinctrl_map __initdata snowball_pinmap[] = {
/* Mux in SSP0 connected to AB8500, pull down RXD pin */
DB8500_MUX_HOG("ssp0_a_1", "ssp0"),
DB8500_PIN_HOG("GPIO145_C13", pd),
/* User LED */
DB8500_PIN_HOG("GPIO142_C11", gpio_out_hi),
/* Accelerometer/Magnetometer */