msm_fb: display: Add board support for LCDC Truly panel
Add board file changes to support TRULY panel with lcdc interface
on QRD SKU3 devices.
Change-Id: I1a3c0a65cf5dc67500407648a3136d561e687e75
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 bf1a4c5..950815a 100644
--- a/arch/arm/mach-msm/board-msm7627a-display.c
+++ b/arch/arm/mach-msm/board-msm7627a-display.c
@@ -44,6 +44,245 @@
early_param("fb_size", fb_size_setup);
+static uint32_t lcdc_truly_gpio_initialized;
+static struct regulator_bulk_data regs_truly_lcdc[] = {
+ { .supply = "rfrx1", .min_uV = 1800000, .max_uV = 1800000 },
+};
+
+#define SKU3_LCDC_GPIO_DISPLAY_RESET 90
+#define SKU3_LCDC_GPIO_SPI_MOSI 19
+#define SKU3_LCDC_GPIO_SPI_CLK 20
+#define SKU3_LCDC_GPIO_SPI_CS0_N 21
+#define SKU3_LCDC_LCD_CAMERA_LDO_2V8 35 /*LCD_CAMERA_LDO_2V8*/
+#define SKU3_LCDC_LCD_CAMERA_LDO_1V8 34 /*LCD_CAMERA_LDO_1V8*/
+#define SKU3_1_LCDC_LCD_CAMERA_LDO_1V8 58 /*LCD_CAMERA_LDO_1V8*/
+
+static uint32_t lcdc_truly_gpio_table[] = {
+ 19,
+ 20,
+ 21,
+ 89,
+ 90,
+};
+
+static char *lcdc_gpio_name_table[5] = {
+ "spi_mosi",
+ "spi_clk",
+ "spi_cs",
+ "gpio_bkl_en",
+ "gpio_disp_reset",
+};
+
+static int lcdc_truly_gpio_init(void)
+{
+ int i;
+ int rc = 0;
+
+ if (!lcdc_truly_gpio_initialized) {
+ for (i = 0; i < ARRAY_SIZE(lcdc_truly_gpio_table); i++) {
+ rc = gpio_request(lcdc_truly_gpio_table[i],
+ lcdc_gpio_name_table[i]);
+ if (rc < 0) {
+ pr_err("Error request gpio %s\n",
+ lcdc_gpio_name_table[i]);
+ goto truly_gpio_fail;
+ }
+ rc = gpio_tlmm_config(GPIO_CFG(lcdc_truly_gpio_table[i],
+ 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("Error config lcdc gpio:%d\n",
+ lcdc_truly_gpio_table[i]);
+ goto truly_gpio_fail;
+ }
+ rc = gpio_direction_output(lcdc_truly_gpio_table[i], 0);
+ if (rc < 0) {
+ pr_err("Error direct lcdc gpio:%d\n",
+ lcdc_truly_gpio_table[i]);
+ goto truly_gpio_fail;
+ }
+ }
+
+ lcdc_truly_gpio_initialized = 1;
+ }
+
+ return rc;
+
+truly_gpio_fail:
+ for (; i >= 0; i--) {
+ pr_err("Freeing GPIO: %d", lcdc_truly_gpio_table[i]);
+ gpio_free(lcdc_truly_gpio_table[i]);
+ }
+
+ lcdc_truly_gpio_initialized = 0;
+ return rc;
+}
+
+
+void sku3_lcdc_lcd_camera_power_init(void)
+{
+ int rc = 0;
+ u32 socinfo = socinfo_get_platform_type();
+
+ /* LDO_EXT2V8 */
+ if (gpio_request(SKU3_LCDC_LCD_CAMERA_LDO_2V8, "lcd_camera_ldo_2v8")) {
+ pr_err("failed to request gpio lcd_camera_ldo_2v8\n");
+ return;
+ }
+
+ rc = gpio_tlmm_config(GPIO_CFG(SKU3_LCDC_LCD_CAMERA_LDO_2V8, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ GPIO_CFG_ENABLE);
+
+ if (rc < 0) {
+ pr_err("%s:unable to enable lcd_camera_ldo_2v8!\n", __func__);
+ goto fail_gpio2;
+ }
+
+ /* LDO_EVT1V8 */
+ if (socinfo == 0x0B) {
+ if (gpio_request(SKU3_LCDC_LCD_CAMERA_LDO_1V8,
+ "lcd_camera_ldo_1v8")) {
+ pr_err("failed to request gpio lcd_camera_ldo_1v8\n");
+ goto fail_gpio1;
+ }
+
+ rc = gpio_tlmm_config(GPIO_CFG(SKU3_LCDC_LCD_CAMERA_LDO_1V8, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ GPIO_CFG_ENABLE);
+
+ if (rc < 0) {
+ pr_err("%s: unable to enable lcdc_camera_ldo_1v8!\n",
+ __func__);
+ goto fail_gpio1;
+ }
+ } else if (socinfo == 0x0F) {
+ if (gpio_request(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8,
+ "lcd_camera_ldo_1v8")) {
+ pr_err("failed to request gpio lcd_camera_ldo_1v8\n");
+ goto fail_gpio1;
+ }
+
+ rc = gpio_tlmm_config(GPIO_CFG(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8,
+ 0, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ GPIO_CFG_ENABLE);
+
+ if (rc < 0) {
+ pr_err("%s: unable to enable lcdc_camera_ldo_1v8!\n",
+ __func__);
+ goto fail_gpio1;
+ }
+ }
+
+ rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_truly_lcdc),
+ regs_truly_lcdc);
+ if (rc)
+ pr_err("%s: could not get regulators: %d\n", __func__, rc);
+
+ rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_truly_lcdc),
+ regs_truly_lcdc);
+ if (rc)
+ pr_err("%s: could not set voltages: %d\n", __func__, rc);
+
+ return;
+
+fail_gpio1:
+ if (socinfo == 0x0B)
+ gpio_free(SKU3_LCDC_LCD_CAMERA_LDO_1V8);
+ else if (socinfo == 0x0F)
+ gpio_free(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8);
+fail_gpio2:
+ gpio_free(SKU3_LCDC_LCD_CAMERA_LDO_2V8);
+ return;
+}
+
+int sku3_lcdc_lcd_camera_power_onoff(int on)
+{
+ int rc = 0;
+ u32 socinfo = socinfo_get_platform_type();
+
+ if (on) {
+ if (socinfo == 0x0B)
+ gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_1V8,
+ 1);
+ else if (socinfo == 0x0F)
+ gpio_set_value_cansleep(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8,
+ 1);
+
+ gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_2V8, 1);
+
+ rc = regulator_bulk_enable(ARRAY_SIZE(regs_truly_lcdc),
+ regs_truly_lcdc);
+ if (rc)
+ pr_err("%s: could not enable regulators: %d\n",
+ __func__, rc);
+ } else {
+ if (socinfo == 0x0B)
+ gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_1V8,
+ 0);
+ else if (socinfo == 0x0F)
+ gpio_set_value_cansleep(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8,
+ 0);
+
+ gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_2V8, 0);
+
+ rc = regulator_bulk_disable(ARRAY_SIZE(regs_truly_lcdc),
+ regs_truly_lcdc);
+ if (rc)
+ pr_err("%s: could not disable regulators: %d\n",
+ __func__, rc);
+ }
+
+ return rc;
+}
+
+static int sku3_lcdc_power_save(int on)
+{
+ int rc = 0;
+
+ if (on) {
+ sku3_lcdc_lcd_camera_power_onoff(1);
+ rc = lcdc_truly_gpio_init();
+ if (rc < 0) {
+ pr_err("%s(): Truly GPIO initializations failed",
+ __func__);
+ return rc;
+ }
+
+ if (lcdc_truly_gpio_initialized) {
+ /*LCD reset*/
+ gpio_set_value(SKU3_LCDC_GPIO_DISPLAY_RESET, 1);
+ msleep(20);
+ gpio_set_value(SKU3_LCDC_GPIO_DISPLAY_RESET, 0);
+ msleep(20);
+ gpio_set_value(SKU3_LCDC_GPIO_DISPLAY_RESET, 1);
+ msleep(20);
+ }
+ } else {
+ /* pull down LCD IO to avoid current leakage */
+ gpio_set_value(SKU3_LCDC_GPIO_SPI_MOSI, 0);
+ gpio_set_value(SKU3_LCDC_GPIO_SPI_CLK, 0);
+ gpio_set_value(SKU3_LCDC_GPIO_SPI_CS0_N, 0);
+ gpio_set_value(SKU3_LCDC_GPIO_DISPLAY_RESET, 0);
+
+ sku3_lcdc_lcd_camera_power_onoff(0);
+ }
+ return rc;
+}
+
+static struct msm_panel_common_pdata lcdc_truly_panel_data = {
+ .panel_config_gpio = NULL,
+ .gpio_num = lcdc_truly_gpio_table,
+};
+
+static struct platform_device lcdc_truly_panel_device = {
+ .name = "lcdc_truly_hvga_ips3p2335_pt",
+ .id = 0,
+ .dev = {
+ .platform_data = &lcdc_truly_panel_data,
+ }
+};
+
static struct regulator_bulk_data regs_lcdc[] = {
{ .supply = "gp2", .min_uV = 2850000, .max_uV = 2850000 },
{ .supply = "msme1", .min_uV = 1800000, .max_uV = 1800000 },
@@ -176,9 +415,21 @@
return ret;
}
+
+static int msm_lcdc_power_save(int on)
+{
+ int rc = 0;
+ if (machine_is_msm7627a_qrd3())
+ rc = sku3_lcdc_power_save(on);
+ else
+ rc = msm_fb_lcdc_power_save(on);
+
+ return rc;
+}
+
static struct lcdc_platform_data lcdc_pdata = {
.lcdc_gpio_config = NULL,
- .lcdc_power_save = msm_fb_lcdc_power_save,
+ .lcdc_power_save = msm_lcdc_power_save,
};
static int lcd_panel_spi_gpio_num[] = {
@@ -226,6 +477,9 @@
} else if (machine_is_msm7627a_qrd1()) {
if (!strncmp(name, "mipi_video_truly_wvga", 21))
ret = 0;
+ } else if (machine_is_msm7627a_qrd3()) {
+ if (!strncmp(name, "lcdc_truly_hvga_ips3p2335_pt", 28))
+ ret = 0;
} else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb()) {
if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
ret = 0;
@@ -332,6 +586,11 @@
&mipi_dsi_truly_panel_device,
};
+static struct platform_device *qrd3_fb_devices[] __initdata = {
+ &msm_fb_device,
+ &lcdc_truly_panel_device,
+};
+
static struct platform_device *evb_fb_devices[] __initdata = {
&msm_fb_device,
&mipi_dsi_NT35510_panel_device,
@@ -836,7 +1095,7 @@
#define MDP_303_VSYNC_GPIO 97
-#ifdef CONFIG_FB_MSM_MDP303
+#ifdef CONFIG_FB_MSM_MIPI_DSI
static struct mipi_dsi_platform_data mipi_dsi_pdata = {
.vsync_gpio = MDP_303_VSYNC_GPIO,
.dsi_power_save = mipi_dsi_panel_power,
@@ -853,17 +1112,19 @@
else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb())
platform_add_devices(evb_fb_devices,
ARRAY_SIZE(evb_fb_devices));
- else if (machine_is_msm7627a_qrd3())
- return;
- else
+ else if (machine_is_msm7627a_qrd3()) {
+ sku3_lcdc_lcd_camera_power_init();
+ platform_add_devices(qrd3_fb_devices,
+ ARRAY_SIZE(qrd3_fb_devices));
+ } else
platform_add_devices(msm_fb_devices,
ARRAY_SIZE(msm_fb_devices));
msm_fb_register_device("mdp", &mdp_pdata);
if (machine_is_msm7625a_surf() || machine_is_msm7x27a_surf() ||
- machine_is_msm8625_surf())
+ machine_is_msm8625_surf() || machine_is_msm7627a_qrd3())
msm_fb_register_device("lcdc", &lcdc_pdata);
-#ifdef CONFIG_FB_MSM_MDP303
+#ifdef CONFIG_FB_MSM_MIPI_DSI
msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
#endif
}
diff --git a/arch/arm/mach-msm/board-msm7x27a-regulator.c b/arch/arm/mach-msm/board-msm7x27a-regulator.c
index 5be382f..b045f7c 100644
--- a/arch/arm/mach-msm/board-msm7x27a-regulator.c
+++ b/arch/arm/mach-msm/board-msm7x27a-regulator.c
@@ -215,7 +215,7 @@
PCOM_VREG_SMP(smps2, 4, NULL, 1100000, 1100000, 0, -1, 0, 0, 0, 0, s),
PCOM_VREG_SMP(smps3, 2, NULL, 1800000, 1800000, 0, -1, 0, 0, 0, 0, s),
PCOM_VREG_SMP(smps4, 24, NULL, 2100000, 2100000, 0, -1, 0, 0, 0, 0, s),
- PCOM_VREG_LDO(ldo01, 12, NULL, 2100000, 2100000, 0, -1, 0, 0, 0, 0, p),
+ PCOM_VREG_LDO(ldo01, 12, NULL, 1800000, 2100000, 0, -1, 0, 0, 0, 0, p),
PCOM_VREG_LDO(ldo02, 13, NULL, 2850000, 2850000, 0, -1, 0, 0, 0, 0, p),
PCOM_VREG_LDO(ldo03, 49, NULL, 1200000, 1200000, 0, -1, 0, 0, 0, 0, n),
PCOM_VREG_LDO(ldo04, 50, NULL, 1100000, 1100000, 0, -1, 0, 0, 0, 0, n),