[PATCH 8/8] ARM: shmobile: completely switch MMC interfaces on armadillo800eva-reference to DT
Guennadi Liakhovetski
g.liakhovetski at gmx.de
Wed Jan 16 12:08:17 EST 2013
Switch MMCIF, SDHI0 and SDHI1 to complete DT initialisation: use DT
bindings to configure regulators, interface pins, card-detect GPIOs,
various interface configuration parameters.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski at gmx.de>
---
.../boot/dts/r8a7740-armadillo800eva-reference.dts | 101 ++++++++++++++++++++
.../board-armadillo800eva-reference.c | 5 +-
2 files changed, 103 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 319af9b..27774eb 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -30,4 +30,105 @@
sh-eth,register-type = "gigabit";
sh-eth,phy-id = <0>;
};
+
+ reg_3p3v: regulator at 0 {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ mmcif0: mmcif at 0xe6bd0000 {
+ compatible = "renesas,sh-mmcif", "renesas,sh7372-mmcif";
+ reg = <0xe6bd0000 0x100>;
+ interrupt-parent = <&intca>;
+ interrupts = <0x1ac0 0x1ae0>;
+ vmmc-supply = <®_3p3v>;
+ bus-width = <8>;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins>;
+ };
+
+ vcc_sdhi0: regulator at 1 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vcc-sdhi0";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&gpio 75 0>;
+ enable-active-high;
+ };
+
+ vcc_sdhi1: regulator at 2 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vcc-sdhi1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&gpio 16 0>;
+ enable-active-high;
+ };
+
+ vccq_sdhi0: gpio-regulator at 0 {
+ compatible = "regulator-gpio";
+
+ regulator-name = "vccq-sdhi0";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_sdhi0>;
+
+ enable-gpio = <&gpio 74 0>;
+ gpios = <&gpio 17 0>;
+ states = <3300000 0
+ 1800000 1>;
+
+ enable-active-high;
+ };
+
+ sdhi0: sdhi at 0xe6850000 {
+ compatible = "renesas,shmobile-sdhi";
+ reg = <0xe6850000 0x100>;
+ interrupt-parent = <&intca>;
+ interrupts = <0xe20 0xe40>;
+ vmmc-supply = <&vcc_sdhi0>;
+ vqmmc-supply = <&vccq_sdhi0>;
+ bus-width = <4>;
+ cd-gpios = <&gpio 167 1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdhi0_pins>;
+ toshiba,mmc-has-idle-wait;
+ toshiba,mmc-cap-sdio-irq;
+ };
+
+ sdhi1: sdhi at 0xe6860000 {
+ compatible = "renesas,shmobile-sdhi";
+ reg = <0xe6860000 0x100>;
+ interrupt-parent = <&intca>;
+ interrupts = <0xea0 0xec0>;
+ vmmc-supply = <&vcc_sdhi1>;
+ bus-width = <4>;
+ cd-gpios = <&gpio 72 1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdhi1_pins>;
+ toshiba,mmc-has-idle-wait;
+ toshiba,mmc-cap-sdio-irq;
+ };
+};
+
+&gpio {
+ sdhi0_pins: pfc_sdhi0_pins {
+ renesas,pins = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_wp";
+ renesas,function = "sdhi0";
+ };
+ sdhi1_pins: pfc_sdhi1_pins {
+ renesas,pins = "sdhi1_data4", "sdhi1_ctrl", "sdhi1_wp";
+ renesas,function = "sdhi1";
+ };
+ mmc0_pins: pfc_mmc0_pins {
+ renesas,pins = "mmc0_data8_1", "mmc0_ctrl_1";
+ renesas,function = "mmc0";
+ };
};
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva-reference.c b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
index c206612..f929931 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
@@ -107,9 +107,10 @@
*/
static void __init eva_init(void)
{
- r8a7740_pinmux_init();
r8a7740_meram_workaround();
+ r8a7740_add_standard_devices_dt();
+
/* SCIFA1 */
gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
@@ -142,8 +143,6 @@ static void __init eva_init(void)
/* Early BRESP enable, Shared attribute override enable, 32K*8way */
l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
#endif
-
- r8a7740_add_standard_devices_dt();
}
#define RESCNT2 IOMEM(0xe6188020)
--
1.7.2.5
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