rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/drivers/mmc/host/dw_mmc.c
..
..
@@ -246,7 +246,7 @@
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 	 * ...also allow sending for SDMMC_CMD_VOLT_SWITCH where busy is
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 	 * expected.
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 	 */
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-#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
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+#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT_MMC
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 	if (host->slot->mmc->restrict_caps & RESTRICT_CARD_TYPE_EMMC)
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 		delay = 0;
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 #endif
..
..
@@ -1508,6 +1508,9 @@
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1508
 
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 	switch (ios->power_mode) {
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1510
 	case MMC_POWER_UP:
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+		if (!IS_ERR_OR_NULL(slot->host->pinctrl))
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+			pinctrl_select_state(slot->host->pinctrl, slot->host->idle_state);
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+
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 		if (!IS_ERR(mmc->supply.vmmc)) {
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 			ret = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc,
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 					ios->vdd);
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..
@@ -1524,6 +1527,9 @@
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 		mci_writel(slot->host, PWREN, regs);
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1528
 		break;
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1529
 	case MMC_POWER_ON:
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+		if (!IS_ERR_OR_NULL(slot->host->pinctrl))
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+			pinctrl_select_state(slot->host->pinctrl, slot->host->normal_state);
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+
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 		if (!slot->host->vqmmc_enabled) {
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 			if (!IS_ERR(mmc->supply.vqmmc)) {
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 				ret = regulator_enable(mmc->supply.vqmmc);
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..
@@ -1548,6 +1554,9 @@
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1554
 
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 		break;
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 	case MMC_POWER_OFF:
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+		if (!IS_ERR_OR_NULL(slot->host->pinctrl))
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+			pinctrl_select_state(slot->host->pinctrl, slot->host->idle_state);
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+
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 		/* Turn clock off before power goes down */
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 		dw_mci_setup_bus(slot, false);
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1562
 
..
..
@@ -3272,6 +3281,22 @@
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 			return ERR_PTR(ret);
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3282
 	}
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3283
 
3284
+	host->pinctrl = devm_pinctrl_get(host->dev);
3285
+	if (!IS_ERR(host->pinctrl)) {
3286
+		host->normal_state = pinctrl_lookup_state(host->pinctrl, "normal");
3287
+		if (IS_ERR(host->normal_state))
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+			dev_warn(dev, "No normal pinctrl state\n");
3289
+
3290
+		host->idle_state = pinctrl_lookup_state(host->pinctrl, "idle");
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+		if (IS_ERR(host->idle_state))
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+			dev_warn(dev, "No idle pinctrl state\n");
3293
+
3294
+		if (!IS_ERR(host->normal_state) && !IS_ERR(host->idle_state))
3295
+			pinctrl_select_state(host->pinctrl, host->idle_state);
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+		else
3297
+			host->pinctrl = NULL;
3298
+	}
3299
+
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3300
 	return pdata;
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3301
 }
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3302
 
..
..
@@ -3329,7 +3354,7 @@
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 			return ret;
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3355
 		}
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3356
 	}
3332
-#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
3357
+#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT_MMC
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 	if (device_property_read_bool(host->dev, "supports-emmc")) {
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3359
 		if (readl_poll_timeout(host->regs + SDMMC_STATUS,
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3360
 				fifo_size,