arm: tegra: cardhu: add support for PM315

Add support for PM315

Bug 1171138

Change-Id: I2e5461c656c41d4172aca60525655cb780eaa17e
Original-author: Mike Thompson <mikthompson@nvidia.com>
Signed-off-by: Mike Thompson <mikthompson@nvidia.com>
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Signed-off-by: Syed Rafiuddin <srafiuddin@nvidia.com>
Reviewed-on: http://git-master/r/143506
(cherry picked from commit 4e66142b6990ca586e085aa88ae0bd6b819da0c4)
Reviewed-on: http://git-master/r/166814
GVS: Gerrit_Virtual_Submit
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>

1 files changed, 62 insertions, 5 deletions

diff --git a/arch/arm/mach-tegra/board-cardhu-pinmux.c b/arch/arm/mach-tegra/board-cardhu-pinmux.c
index 346dccfd715b..c416d453e960 100644
--- a/arch/arm/mach-tegra/board-cardhu-pinmux.c
+++ b/arch/arm/mach-tegra/board-cardhu-pinmux.c
@@ -497,6 +497,20 @@ static __initdata struct tegra_pingroup_config cardhu_pinmux_e1291_a04[] = {
 	DEFAULT_PINMUX(GPIO_PU4,        RSVD1,           PULL_UP,   NORMAL,     INPUT),
 };
 
+static __initdata struct tegra_pingroup_config cardhu_pinmux_pm315[] = {
+	DEFAULT_PINMUX(GMI_AD15,        NAND,            PULL_DOWN,   NORMAL,   OUTPUT),
+	DEFAULT_PINMUX(ULPI_DATA6,      UARTA,           NORMAL,    NORMAL,     OUTPUT),
+	DEFAULT_PINMUX(SPI2_MOSI,       SPI6,            NORMAL,    NORMAL,     INPUT),
+	DEFAULT_PINMUX(DAP3_SCLK,       RSVD1,           NORMAL,    NORMAL,     OUTPUT),
+	/* PCIE dock detect */
+	DEFAULT_PINMUX(GPIO_PU4,        RSVD1,           PULL_UP,   NORMAL,     INPUT),
+	/* CDC enable for realtek RTL5640 */
+	DEFAULT_PINMUX(SPI2_SCK,        SPI2,            NORMAL,    NORMAL,     OUTPUT),
+	DEFAULT_PINMUX(SPI2_CS1_N,      SPI2,            NORMAL,    NORMAL,     INPUT),
+	/* Power up for USB1, USB3 */
+	DEFAULT_PINMUX(GMI_AD13,    	NAND,            PULL_UP,    NORMAL,    INPUT),
+};
+
 static __initdata struct tegra_pingroup_config cardhu_pinmux_e1198[] = {
 	DEFAULT_PINMUX(LCD_CS0_N,       DISPLAYA,        NORMAL,    NORMAL,     INPUT),
 	DEFAULT_PINMUX(LCD_SCK,         DISPLAYA,        NORMAL,    NORMAL,     INPUT),
@@ -606,10 +620,33 @@ static __initdata struct tegra_pingroup_config gmi_pins_269[] = {
 	DEFAULT_PINMUX(GMI_WP_N,        NAND,           NORMAL,     NORMAL,       INPUT),
 };
 
-static void __init cardhu_pinmux_audio_init(void)
+static void __init cardhu_wm8903_audio_init(void)
+{
+	int ret = gpio_request(TEGRA_GPIO_CDC_IRQ, "wm8903");
+	if (ret < 0)
+		pr_err("%s() Error in gpio_request() for gpio %d\n",
+					__func__, ret);
+	ret = gpio_direction_input(TEGRA_GPIO_CDC_IRQ);
+	if (ret < 0) {
+		pr_err("%s() Error in setting gpio %d to in/out\n",
+					__func__, ret);
+		gpio_free(TEGRA_GPIO_CDC_IRQ);
+	}
+}
+
+static void __init beaver_rt5640_audio_init(void)
 {
-	gpio_request(TEGRA_GPIO_CDC_IRQ, "wm8903");
-	gpio_direction_input(TEGRA_GPIO_CDC_IRQ);
+	int ret = gpio_request(TEGRA_GPIO_RTL_CDC_IRQ, "rt5640");
+	if (ret < 0)
+		pr_err("%s() Error in gpio_request() for gpio %d\n",
+					__func__, ret);
+	ret = gpio_direction_input(TEGRA_GPIO_RTL_CDC_IRQ);
+	if (ret < 0) {
+		pr_err("%s() Error in setting gpio %d to in/out\n",
+					__func__, ret);
+		gpio_free(TEGRA_GPIO_RTL_CDC_IRQ);
+	}
+
 }
 
 #define GPIO_INIT_PIN_MODE(_gpio, _is_input, _value)	\
@@ -639,6 +676,13 @@ static struct gpio_init_pin_info init_gpio_mode_e1291_a04[] = {
 	GPIO_INIT_PIN_MODE(TEGRA_GPIO_PR2, false, 0),
 };
 
+static struct gpio_init_pin_info init_gpio_mode_pm315[] = {
+	GPIO_INIT_PIN_MODE(TEGRA_GPIO_PDD6, false, 0),
+	GPIO_INIT_PIN_MODE(TEGRA_GPIO_PDD4, false, 0),
+	GPIO_INIT_PIN_MODE(TEGRA_GPIO_PH5, false, 1),
+	GPIO_INIT_PIN_MODE(TEGRA_GPIO_PR2, false, 0),
+};
+
 static void __init cardhu_gpio_init_configure(void)
 {
 	struct board_info board_info;
@@ -670,6 +714,10 @@ static void __init cardhu_gpio_init_configure(void)
 			pins_info = init_gpio_mode_e1291_a04;
 		}
 		break;
+	case BOARD_PM315:
+		len = ARRAY_SIZE(init_gpio_mode_pm315);
+		pins_info = init_gpio_mode_pm315;
+		break;
 	default:
 		return;
 	}
@@ -718,7 +766,12 @@ int __init cardhu_pinmux_init(void)
 			tegra_pinmux_config_table(cardhu_pinmux_e1291_a04,
 					ARRAY_SIZE(cardhu_pinmux_e1291_a04));
 		break;
-
+	case BOARD_PM315:
+		tegra_pinmux_config_table(cardhu_pinmux_cardhu_a03,
+				ARRAY_SIZE(cardhu_pinmux_cardhu_a03));
+		tegra_pinmux_config_table(cardhu_pinmux_pm315,
+				ARRAY_SIZE(cardhu_pinmux_pm315));
+		break;
 	case BOARD_PM269:
 	case BOARD_PM305:
 	case BOARD_PM311:
@@ -749,7 +802,11 @@ int __init cardhu_pinmux_init(void)
 		break;
 	}
 
-	cardhu_pinmux_audio_init();
+	if (board_info.board_id == BOARD_PM315)
+		beaver_rt5640_audio_init();
+	else
+		cardhu_wm8903_audio_init();
+
 
 	return 0;
 }