boards: nxp: add configuration for MIPI-DSI and LCDIF on mimxrt700_evk
1.Add clock configuration for DCNano LCDIF video and
command mode.
2.Update board dts file
Signed-off-by: Kate Wang <yumeng.wang@nxp.com>
diff --git a/boards/nxp/mimxrt700_evk/board.c b/boards/nxp/mimxrt700_evk/board.c
index 8804b15..ef162aa 100644
--- a/boards/nxp/mimxrt700_evk/board.c
+++ b/boards/nxp/mimxrt700_evk/board.c
@@ -441,6 +441,62 @@
#if DT_NODE_HAS_STATUS(DT_NODELABEL(sc_timer), okay)
CLOCK_AttachClk(kFRO0_DIV6_to_SCT);
#endif
+
+#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(lcdif), nxp_dcnano_lcdif, okay) && \
+ CONFIG_DISPLAY
+ /* Assert LCDIF reset. */
+ RESET_SetPeripheralReset(kLCDIF_RST_SHIFT_RSTn);
+
+ /* Disable media main and LCDIF power down. */
+ POWER_DisablePD(kPDRUNCFG_SHUT_MEDIA_MAINCLK);
+ POWER_DisablePD(kPDRUNCFG_APD_LCDIF);
+ POWER_DisablePD(kPDRUNCFG_PPD_LCDIF);
+
+ /* Apply power down configuration. */
+ POWER_ApplyPD();
+
+ CLOCK_AttachClk(kMAIN_PLL_PFD2_to_LCDIF);
+ /* Note- pixel clock follows formula
+ * (height VSW VFP VBP) * (width HSW HFP HBP) * frame rate.
+ * this means the clock divider will vary depending on
+ * the attached display.
+ *
+ * The root clock used here is the main PLL (PLL PFD2).
+ */
+ CLOCK_SetClkDiv(
+ kCLOCK_DivLcdifClk,
+ (CLOCK_GetMainPfdFreq(kCLOCK_Pfd2) /
+ DT_PROP(DT_CHILD(DT_NODELABEL(lcdif), display_timings), clock_frequency)));
+
+ CLOCK_EnableClock(kCLOCK_Lcdif);
+
+ /* Clear LCDIF reset. */
+ RESET_ClearPeripheralReset(kLCDIF_RST_SHIFT_RSTn);
+#endif
+
+#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(lcdif), nxp_mipi_dbi_dcnano_lcdif, okay)
+ /* Assert LCDIF reset. */
+ RESET_SetPeripheralReset(kLCDIF_RST_SHIFT_RSTn);
+
+ /* Disable media main and LCDIF power down. */
+ POWER_DisablePD(kPDRUNCFG_SHUT_MEDIA_MAINCLK);
+ POWER_DisablePD(kPDRUNCFG_APD_LCDIF);
+ POWER_DisablePD(kPDRUNCFG_PPD_LCDIF);
+
+ /* Apply power down configuration. */
+ POWER_ApplyPD();
+
+ /* Calculate the divider for MEDIA MAIN clock source main pll pfd2. */
+ CLOCK_InitMainPfd(kCLOCK_Pfd2, (uint64_t)CLOCK_GetMainPllFreq() * 18UL /
+ DT_PROP(DT_NODELABEL(lcdif), clock_frequency));
+ CLOCK_SetClkDiv(kCLOCK_DivMediaMainClk, 1U);
+ CLOCK_AttachClk(kMAIN_PLL_PFD2_to_MEDIA_MAIN);
+
+ CLOCK_EnableClock(kCLOCK_Lcdif);
+
+ /* Clear LCDIF reset. */
+ RESET_ClearPeripheralReset(kLCDIF_RST_SHIFT_RSTn);
+#endif
}
static void GlikeyWriteEnable(GLIKEY_Type *base, uint8_t idx)
diff --git a/boards/nxp/mimxrt700_evk/mimxrt700_evk_mimxrt798s_cm33_cpu0.dts b/boards/nxp/mimxrt700_evk/mimxrt700_evk_mimxrt798s_cm33_cpu0.dts
index 198db25..df8e0d7 100644
--- a/boards/nxp/mimxrt700_evk/mimxrt700_evk_mimxrt798s_cm33_cpu0.dts
+++ b/boards/nxp/mimxrt700_evk/mimxrt700_evk_mimxrt798s_cm33_cpu0.dts
@@ -30,6 +30,7 @@
zephyr,sram = &sram0;
zephyr,console = &flexcomm0_lpuart0;
zephyr,shell-uart = &flexcomm0_lpuart0;
+ zephyr,display = &lcdif;
};
leds {
@@ -57,6 +58,35 @@
zephyr,code = <INPUT_KEY_1>;
};
};
+
+ /*
+ * This node describes the GPIO pins of the MIPI FPC interface,
+ * J50 on the EVK. This interface is standard to several
+ * NXP EVKs, and is used with several MIPI displays
+ * (available as zephyr shields)
+ */
+ nxp_mipi_connector: mipi-connector {
+ compatible = "gpio-nexus";
+ #gpio-cells = <2>;
+ gpio-map-mask = <0xffffffff 0xffffffc0>;
+ gpio-map-pass-thru = <0 0x3f>;
+ gpio-map = <0 0 &gpio1 14 0>, /* Pin 1, LEDK */
+ <21 0 &gpio3 4 0>, /* Pin 21, RESET */
+ <22 0 &gpio3 5 0>, /* Pin 22, LPTE */
+ <26 0 &gpio0 6 0>, /* Pin 26, CTP_I2C SDA */
+ <27 0 &gpio0 7 0>, /* Pin 27, CTP_I2C SCL */
+ <28 0 &gpio3 8 0>, /* Pin 28, CTP_RST */
+ <29 0 &gpio1 13 0>, /* Pin 29, CTP_INT */
+ <32 0 &gpio1 10 0>, /* Pin 32, PWR_EN */
+ <34 0 &gpio1 14 0>; /* Pin 34, BL_PWM */
+ };
+
+ en_mipi_display: enable-mipi-display {
+ compatible = "regulator-fixed";
+ regulator-name = "en_mipi_display";
+ enable-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+ regulator-boot-on;
+ };
};
&ctimer0 {
@@ -107,6 +137,12 @@
clock-frequency = <I2C_BITRATE_STANDARD>;
};
+nxp_mipi_i2c: &flexcomm8_lpi2c8 {};
+
+zephyr_mipi_dsi: &mipi_dsi {};
+
+zephyr_lcdif: &lcdif {};
+
&gpio0 {
status = "okay";
};
@@ -115,6 +151,14 @@
status = "okay";
};
+&gpio2 {
+ status = "okay";
+};
+
+&gpio3 {
+ status = "okay";
+};
+
&green_led {
status = "okay";
};
