msm: board-qrd7x27a: Add NT35510 DSI support to EVB1.0
NT35510 DSI CLient and Truly WVGA Panel on used on EVB1.0
platform to display. Add changes to support the initialization
and configuration of these drivers on EVB1.0 platform.
Change-Id: Ic3038387ce83d5da82d2192466354de1e621fcf0
Signed-off-by: Pradeep Jilagam <pjilagam@codeaurora.org>
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm7627a-display.c b/arch/arm/mach-msm/board-msm7627a-display.c
index 030c129..15f681d 100644
--- a/arch/arm/mach-msm/board-msm7627a-display.c
+++ b/arch/arm/mach-msm/board-msm7627a-display.c
@@ -226,6 +226,9 @@
} else if (machine_is_msm7627a_qrd1()) {
if (!strncmp(name, "mipi_video_truly_wvga", 21))
ret = 0;
+ } else if (machine_is_msm7627a_evb()) {
+ if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
+ ret = 0;
}
#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
@@ -303,6 +306,18 @@
}
};
+static struct msm_panel_common_pdata mipi_NT35510_pdata = {
+ .pmic_backlight = NULL,/*mipi_NT35510_set_bl,*/
+};
+
+static struct platform_device mipi_dsi_NT35510_panel_device = {
+ .name = "mipi_NT35510",
+ .id = 0,
+ .dev = {
+ .platform_data = &mipi_NT35510_pdata,
+ }
+};
+
static struct platform_device *msm_fb_devices[] __initdata = {
&msm_fb_device,
&lcdc_toshiba_panel_device,
@@ -317,7 +332,8 @@
};
static struct platform_device *evb_fb_devices[] __initdata = {
-
+ &msm_fb_device,
+ &mipi_dsi_NT35510_panel_device,
};
void __init msm_msm7627a_allocate_memory_regions(void)
@@ -487,12 +503,60 @@
return rc;
}
+#define GPIO_QRD3_LCD_BRDG_RESET_N 85
+#define GPIO_QRD3_LCD_BACKLIGHT_EN 96
+#define GPIO_QRD3_LCD_EXT_2V85_EN 35
+#define GPIO_QRD3_LCD_EXT_1V8_EN 40
+
+static unsigned qrd3_mipi_dsi_gpio[] = {
+ GPIO_CFG(GPIO_QRD3_LCD_BRDG_RESET_N, 0, GPIO_CFG_OUTPUT,
+ GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), /* GPIO_QRD3_LCD_BRDG_RESET_N */
+ GPIO_CFG(GPIO_QRD3_LCD_BACKLIGHT_EN, 0, GPIO_CFG_OUTPUT,
+ GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), /* GPIO_QRD3_LCD_BACKLIGHT_EN */
+ GPIO_CFG(GPIO_QRD3_LCD_EXT_2V85_EN, 0, GPIO_CFG_OUTPUT,
+ GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), /* GPIO_QRD3_LCD_EXT_2V85_EN */
+ GPIO_CFG(GPIO_QRD3_LCD_EXT_1V8_EN, 0, GPIO_CFG_OUTPUT,
+ GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), /* GPIO_QRD3_LCD_EXT_1V8_EN */
+};
+
+static int msm_fb_dsi_client_qrd3_reset(void)
+{
+ int rc = 0;
+
+ rc = gpio_request(GPIO_QRD3_LCD_BRDG_RESET_N, "qrd3_lcd_brdg_reset_n");
+ if (rc < 0) {
+ pr_err("failed to request qrd3 lcd brdg reset_n\n");
+ return rc;
+ }
+
+ rc = gpio_tlmm_config(qrd3_mipi_dsi_gpio[0], GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("Failed to enable LCD Bridge reset enable\n");
+ return rc;
+ }
+
+ rc = gpio_direction_output(GPIO_QRD3_LCD_BRDG_RESET_N, 1);
+ if (rc < 0) {
+ pr_err("Failed GPIO bridge Reset\n");
+ gpio_free(GPIO_QRD3_LCD_BRDG_RESET_N);
+ return rc;
+ }
+
+ return rc;
+}
+
static int msm_fb_dsi_client_reset(void)
{
int rc = 0;
if (machine_is_msm7627a_qrd1())
rc = msm_fb_dsi_client_qrd1_reset();
+ else if (machine_is_msm7627a_evb())
+ rc = msm_fb_dsi_client_qrd3_reset();
else
rc = msm_fb_dsi_client_msm_reset();
@@ -650,7 +714,7 @@
gpio_set_value_cansleep(QRD_GPIO_BACKLIGHT_EN, !!on);
- if (!on) {
+ if (on) {
gpio_set_value_cansleep(GPIO_LCDC_BRDG_RESET_N, 1);
msleep(20);
gpio_set_value_cansleep(GPIO_LCDC_BRDG_RESET_N, 0);
@@ -662,12 +726,99 @@
return rc;
}
+static int qrd3_dsi_gpio_initialized;
+
+static int mipi_dsi_panel_qrd3_power(int on)
+{
+ int rc = 0;
+
+ if (!qrd3_dsi_gpio_initialized) {
+ rc = gpio_request(GPIO_QRD3_LCD_BACKLIGHT_EN,
+ "qrd3_gpio_bkl_en");
+ if (rc < 0)
+ return rc;
+
+ rc = gpio_tlmm_config(GPIO_CFG(GPIO_QRD3_LCD_BACKLIGHT_EN, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("failed QRD3 GPIO_BACKLIGHT_EN tlmm config\n");
+ return rc;
+ }
+ rc = gpio_direction_output(GPIO_QRD3_LCD_BACKLIGHT_EN, 1);
+ if (rc < 0) {
+ pr_err("failed to enable backlight\n");
+ gpio_free(GPIO_QRD3_LCD_BACKLIGHT_EN);
+ return rc;
+ }
+
+ rc = gpio_request(GPIO_QRD3_LCD_EXT_2V85_EN,
+ "qrd3_gpio_ext_2v85_en");
+ if (rc < 0)
+ return rc;
+
+ rc = gpio_tlmm_config(GPIO_CFG(GPIO_QRD3_LCD_EXT_2V85_EN, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("failed QRD3 GPIO_QRD3_LCD_EXT_2V85_EN tlmm config\n");
+ return rc;
+ }
+
+ rc = gpio_direction_output(GPIO_QRD3_LCD_EXT_2V85_EN, 1);
+ if (rc < 0) {
+ pr_err("failed to enable external 2V85\n");
+ gpio_free(GPIO_QRD3_LCD_EXT_2V85_EN);
+ return rc;
+ }
+
+ rc = gpio_request(GPIO_QRD3_LCD_EXT_1V8_EN,
+ "qrd3_gpio_ext_1v8_en");
+ if (rc < 0)
+ return rc;
+
+ rc = gpio_tlmm_config(GPIO_CFG(GPIO_QRD3_LCD_EXT_1V8_EN, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("failed QRD3 GPIO_QRD3_LCD_EXT_1V8_EN tlmm config\n");
+ return rc;
+ }
+
+ rc = gpio_direction_output(GPIO_QRD3_LCD_EXT_1V8_EN, 1);
+ if (rc < 0) {
+ pr_err("failed to enable external 1v8\n");
+ gpio_free(GPIO_QRD3_LCD_EXT_1V8_EN);
+ return rc;
+ }
+
+ qrd3_dsi_gpio_initialized = 1;
+ }
+
+ gpio_set_value_cansleep(GPIO_QRD3_LCD_BACKLIGHT_EN, !!on);
+ gpio_set_value_cansleep(GPIO_QRD3_LCD_EXT_2V85_EN, !!on);
+ gpio_set_value_cansleep(GPIO_QRD3_LCD_EXT_1V8_EN, !!on);
+
+ if (on) {
+ gpio_set_value_cansleep(GPIO_QRD3_LCD_BRDG_RESET_N, 1);
+ msleep(20);
+ gpio_set_value_cansleep(GPIO_QRD3_LCD_BRDG_RESET_N, 0);
+ msleep(20);
+ gpio_set_value_cansleep(GPIO_QRD3_LCD_BRDG_RESET_N, 1);
+ msleep(20);
+ }
+
+ return rc;
+}
+
static int mipi_dsi_panel_power(int on)
{
int rc = 0;
if (machine_is_msm7627a_qrd1())
rc = mipi_dsi_panel_qrd1_power(on);
+ else if (machine_is_msm7627a_evb())
+ rc = mipi_dsi_panel_qrd3_power(on);
else
rc = mipi_dsi_panel_msm_power(on);
return rc;