[PATCH v3 6/7] ARM: shmobile: add SDHI and MMCIF interfaces to armadillo800eva-reference

[Guennadi Liakhovetski]

Add SDHI0, SDHI1 and MMCIF interfaces to armadillo800eva-reference. With
no pinctrl DT support we cannot use GPIO card-detection and regulator
switching.

Signed-off-by: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
---
 .../boot/dts/r8a7740-armadillo800eva-reference.dts |   21 +++++++++++-
 arch/arm/boot/dts/r8a7740.dtsi                     |   33 ++++++++++++++++++
 .../board-armadillo800eva-reference.c              |   36 +++++++++++++++++++-
 3 files changed, 88 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts 
b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 09ea22c..3752637 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -32,7 +32,6 @@
                regulator-always-on;
                regulator-boot-on;
        };
-
 };
 
 &i2c0 {
@@ -43,3 +42,23 @@
                interrupts = <2 0>; /* IRQ10: hwirq 2 on irqpin1 */
        };
 };
+
+&mmcif0 {
+       vmmc-supply = <&reg_3p3v>;
+       bus-width = <8>;
+       non-removable;
+       status = "okay";
+};
+
+&sdhi0 {
+       vmmc-supply = <&reg_3p3v>;
+       bus-width = <4>;
+       broken-cd;
+       status = "okay";
+};
+
+&sdhi1 {
+       vmmc-supply = <&reg_3p3v>;
+       bus-width = <4>;
+       status = "okay";
+};
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 683751c..44fa11c 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -197,4 +197,37 @@
                              0 72 0x4
                              0 73 0x4>;
        };
+
+       mmcif0: mmcif@e6bd0000 {
+               compatible = "renesas,sh-mmcif", "renesas,sh7372-mmcif";
+               reg = <0xe6bd0000 0x100>;
+               interrupt-parent = <&gic>;
+               interrupts = <0 56 4
+                               0 57 4>;
+               status = "disabled";
+       };
+
+       sdhi0: sdhi@e6850000 {
+               compatible = "renesas,r8a7740-sdhi";
+               reg = <0xe6850000 0x100>;
+               interrupt-parent = <&gic>;
+               interrupts = <0 117 4
+                               0 118 4
+                               0 119 4>;
+               cap-sd-highspeed;
+               cap-sdio-irq;
+               status = "disabled";
+       };
+
+       sdhi1: sdhi@e6860000 {
+               compatible = "renesas,r8a7740-sdhi";
+               reg = <0xe6860000 0x100>;
+               interrupt-parent = <&gic>;
+               interrupts = <0 121 4
+                               0 122 4
+                               0 123 4>;
+               cap-sd-highspeed;
+               cap-sdio-irq;
+               status = "disabled";
+       };
 };
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva-reference.c 
b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
index 03b85fe..d26a9da 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c
@@ -123,6 +123,27 @@ static const struct pinctrl_map eva_pinctrl_map[] = {
        /* SCIFA1 */
        PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "pfc-r8a7740",
                                  "scifa1_data", "scifa1"),
+       /* MMCIF */
+       PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.sh-mmcif", "pfc-r8a7740",
+                                 "mmc0_data8_1", "mmc0"),
+       PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.sh-mmcif", "pfc-r8a7740",
+                                 "mmc0_ctrl_1", "mmc0"),
+       /* SDHI0 */
+       PIN_MAP_MUX_GROUP_DEFAULT("e6850000.sdhi", "pfc-r8a7740",
+                                 "sdhi0_data4", "sdhi0"),
+       PIN_MAP_MUX_GROUP_DEFAULT("e6850000.sdhi", "pfc-r8a7740",
+                                 "sdhi0_ctrl", "sdhi0"),
+       PIN_MAP_MUX_GROUP_DEFAULT("e6850000.sdhi", "pfc-r8a7740",
+                                 "sdhi0_wp", "sdhi0"),
+       /* SDHI1 */
+       PIN_MAP_MUX_GROUP_DEFAULT("e6860000.sdhi", "pfc-r8a7740",
+                                 "sdhi1_data4", "sdhi1"),
+       PIN_MAP_MUX_GROUP_DEFAULT("e6860000.sdhi", "pfc-r8a7740",
+                                 "sdhi1_ctrl", "sdhi1"),
+       PIN_MAP_MUX_GROUP_DEFAULT("e6860000.sdhi", "pfc-r8a7740",
+                                 "sdhi1_cd", "sdhi1"),
+       PIN_MAP_MUX_GROUP_DEFAULT("e6860000.sdhi", "pfc-r8a7740",
+                                 "sdhi1_wp", "sdhi1"),
 };
 
 static void __init eva_clock_init(void)
@@ -165,7 +186,6 @@ clock_error:
  */
 static void __init eva_init(void)
 {
-
        r8a7740_clock_init(MD_CK0 | MD_CK2);
        eva_clock_init();
 
@@ -180,6 +200,20 @@ static void __init eva_init(void)
         */
        gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */
 
+       /* SDHI0 */
+       gpio_request_one(17, GPIOF_OUT_INIT_LOW, NULL);  /* SDHI0_18/33_B */
+       gpio_request_one(74, GPIOF_OUT_INIT_HIGH, NULL); /* SDHI0_PON */
+       gpio_request_one(75, GPIOF_OUT_INIT_HIGH, NULL); /* SDSLOT1_PON */
+
+       /* We can switch CON8/CON14 by SW1.5, but only after DBGMD_SELECT_B */
+       gpio_request_one(6, GPIOF_IN, NULL);
+       if (!gpio_get_value(6)) {
+               /* CON14 disabled, CON8 (SDHI1) enabled */
+
+               /* SDSLOT2_PON */
+               gpio_request_one(16, GPIOF_OUT_INIT_HIGH, NULL);
+       }
+
 #ifdef CONFIG_CACHE_L2X0
        /* Early BRESP enable, Shared attribute override enable, 32K*8way */
        l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
-- 
1.7.2.5

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