@@ -17,3 +17,16 @@
&rtc_dev {
system-power-controller;
};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_uart0>;
+};
+
+&pinctrl {
+ pins_uart0: uart0 {
+ function = "uart0";
+ groups = "uart0-data";
+ bias-disable;
+ };
+};
@@ -22,6 +22,8 @@
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinconf-generic.h>
#include <linux/power_supply.h>
#include <linux/power/jz4740-battery.h>
#include <linux/power/gpio-charger.h>
@@ -447,13 +449,36 @@ static struct platform_device *jz_platform_devices[] __initdata = {
&qi_lb60_audio_device,
};
-static void __init board_gpio_setup(void)
-{
- /* We only need to enable/disable pullup here for pins used in generic
- * drivers. Everything else is done by the drivers themselves. */
- jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
- jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
-}
+static unsigned long pin_cfg_bias_disable[] = {
+ PIN_CONFIG_BIAS_DISABLE,
+};
+
+static struct pinctrl_map pin_map[] __initdata = {
+ /* NAND pin configuration */
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand",
+ "10010000.jz4740-pinctrl", "nand", "nand"),
+
+ /* fbdev pin configuration */
+ PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT,
+ "10010000.jz4740-pinctrl", "lcd", "lcd-8bit"),
+ PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP,
+ "10010000.jz4740-pinctrl", "lcd", "lcd-no-pins"),
+
+ /* MMC pin configuration */
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
+ "10010000.jz4740-pinctrl", "mmc", "mmc-1bit"),
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
+ "10010000.jz4740-pinctrl", "mmc", "mmc-4bit"),
+ PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
+ "10010000.jz4740-pinctrl", "PD0", pin_cfg_bias_disable),
+ PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
+ "10010000.jz4740-pinctrl", "PD2", pin_cfg_bias_disable),
+
+ /* PWM pin configuration */
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm",
+ "10010000.jz4740-pinctrl", "pwm4", "pwm4"),
+};
+
static int __init qi_lb60_init_platform_devices(void)
{
@@ -469,6 +494,7 @@ static int __init qi_lb60_init_platform_devices(void)
ARRAY_SIZE(qi_lb60_spi_board_info));
pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
+ pinctrl_register_mappings(pin_map, ARRAY_SIZE(pin_map));
return platform_add_devices(jz_platform_devices,
ARRAY_SIZE(jz_platform_devices));
@@ -479,8 +505,6 @@ static int __init qi_lb60_board_setup(void)
{
printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
- board_gpio_setup();
-
if (qi_lb60_init_platform_devices())
panic("Failed to initialize platform devices");
We set the pin configuration for the jz4740-nand, jz4740-mmc, jz4740-fb, jz4740-pwm and jz4740-uart drivers. This will permit those drivers to be cleaned out of the custom GPIO code that they currently use. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- arch/mips/boot/dts/ingenic/qi_lb60.dts | 13 +++++++++++ arch/mips/jz4740/board-qi_lb60.c | 42 ++++++++++++++++++++++++++-------- 2 files changed, 46 insertions(+), 9 deletions(-) v2: Changed the devicetree bindings to match the new driver v3: No changes v4: No changes v5: No changes