From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/mfd/rk630.c |  115 +++------------------------------------------------------
 1 files changed, 7 insertions(+), 108 deletions(-)

diff --git a/kernel/drivers/mfd/rk630.c b/kernel/drivers/mfd/rk630.c
index c363868..732c3c0 100644
--- a/kernel/drivers/mfd/rk630.c
+++ b/kernel/drivers/mfd/rk630.c
@@ -13,7 +13,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/mfd/rk630.h>
 
-static int rk630_macphy_enable(struct rk630 *rk630, unsigned long rate)
+static int rk630_macphy_enable(struct rk630 *rk630)
 {
 	u32 val;
 	int ret;
@@ -41,7 +41,7 @@
 		dev_err(rk630->dev, "Could not write to CRU: %d\n", ret);
 		return ret;
 	}
-	usleep_range(20, 30);
+	udelay(20);
 
 	val = BIT(12 + 16);
 	ret = regmap_write(rk630->cru, CRU_REG(0x50), val);
@@ -49,7 +49,7 @@
 		dev_err(rk630->dev, "Could not write to CRU: %d\n", ret);
 		return ret;
 	}
-	usleep_range(20, 30);
+	udelay(20);
 
 	/* power up && led*/
 	val = BIT(1 + 16) | BIT(1) | BIT(2 + 16);
@@ -68,23 +68,8 @@
 		return ret;
 	}
 
-	/* mode sel: RMII && BGS value: OTP && id */
-	val = (2 << 14) | (0 << 12) | (0x1 << 8) | 1;
-	switch (rate) {
-	case 24000000:
-		val |= 0x6 << 5;
-		break;
-	case 25000000:
-		val |= 0x4 << 5;
-		break;
-	case 27000000:
-		val |= 0x5 << 5;
-		break;
-	default:
-		dev_err(rk630->dev, "Unsupported clock rate: %ld\n", rate);
-		return -EINVAL;
-	}
-
+	/* mode sel: RMII && clock sel: 24M && BGS value: OTP && id */
+	val = (2 << 14) | (0 << 12) | (0x1 << 8) | (6 << 5) | 1;
 	ret = regmap_write(rk630->grf, GRF_REG(0x404), val | 0xffff0000);
 	if (ret != 0) {
 		dev_err(rk630->dev, "Could not write to GRF: %d\n", ret);
@@ -113,28 +98,12 @@
 
 static const struct mfd_cell rk630_devs[] = {
 	{
-		.name = "rk630-efuse",
-		.of_compatible = "rockchip,rk630-efuse",
-	},
-	{
-		.name = "rk630-pinctrl",
-		.of_compatible = "rockchip,rk630-pinctrl",
-	},
-	{
 		.name = "rk630-tve",
 		.of_compatible = "rockchip,rk630-tve",
 	},
 	{
-		.name = "rk630-rtc",
-		.of_compatible = "rockchip,rk630-rtc",
-	},
-	{
 		.name = "rk630-macphy",
 		.of_compatible = "rockchip,rk630-macphy",
-	},
-	{
-		.name = "rk630-codec",
-		.of_compatible = "rockchip,rk630-codec",
 	},
 };
 
@@ -170,27 +139,6 @@
 };
 EXPORT_SYMBOL_GPL(rk630_grf_regmap_config);
 
-static const struct regmap_range rk630_pinctrl_readable_ranges[] = {
-	regmap_reg_range(GPIO0_BASE, GPIO0_BASE + GPIO_VER_ID),
-	regmap_reg_range(GPIO1_BASE, GPIO1_BASE + GPIO_VER_ID),
-};
-
-static const struct regmap_access_table rk630_pinctrl_readable_table = {
-	.yes_ranges = rk630_pinctrl_readable_ranges,
-	.n_yes_ranges = ARRAY_SIZE(rk630_pinctrl_readable_ranges),
-};
-
-const struct regmap_config rk630_pinctrl_regmap_config = {
-	.name = "pinctrl",
-	.reg_bits = 32,
-	.val_bits = 32,
-	.reg_stride = 4,
-	.max_register = GPIO_MAX_REGISTER,
-	.reg_format_endian = REGMAP_ENDIAN_NATIVE,
-	.val_format_endian = REGMAP_ENDIAN_NATIVE,
-	.rd_table = &rk630_pinctrl_readable_table,
-};
-
 static const struct regmap_range rk630_cru_readable_ranges[] = {
 	regmap_reg_range(CRU_SPLL_CON0, CRU_SPLL_CON2),
 	regmap_reg_range(CRU_MODE_CON, CRU_MODE_CON),
@@ -214,51 +162,13 @@
 	.val_format_endian = REGMAP_ENDIAN_NATIVE,
 	.rd_table = &rk630_cru_readable_table,
 };
-
-static const struct regmap_range rk630_rtc_readable_ranges[] = {
-	regmap_reg_range(RTC_SET_SECONDS, RTC_CNT_3),
-};
-
-static const struct regmap_access_table rk630_rtc_readable_table = {
-	.yes_ranges = rk630_rtc_readable_ranges,
-	.n_yes_ranges = ARRAY_SIZE(rk630_rtc_readable_ranges),
-};
-
-const struct regmap_config rk630_rtc_regmap_config = {
-	.name = "rtc",
-	.reg_bits = 32,
-	.val_bits = 32,
-	.reg_stride = 4,
-	.max_register = RTC_MAX_REGISTER,
-	.reg_format_endian = REGMAP_ENDIAN_NATIVE,
-	.val_format_endian = REGMAP_ENDIAN_NATIVE,
-	.rd_table = &rk630_rtc_readable_table,
-};
+EXPORT_SYMBOL_GPL(rk630_cru_regmap_config);
 
 int rk630_core_probe(struct rk630 *rk630)
 {
 	bool macphy_enabled = false;
 	struct device_node *np;
-	unsigned long rate;
 	int ret;
-
-	rk630->ref_clk = devm_clk_get(rk630->dev, "ref");
-	if (IS_ERR(rk630->ref_clk)) {
-		dev_err(rk630->dev, "failed to get ref clk source\n");
-		return PTR_ERR(rk630->ref_clk);
-	}
-
-	ret = clk_prepare_enable(rk630->ref_clk);
-	if (ret < 0) {
-		dev_err(rk630->dev, "failed to enable ref clk - %d\n", ret);
-		return ret;
-	}
-	rate = clk_get_rate(rk630->ref_clk);
-
-	ret = devm_add_action_or_reset(rk630->dev, (void (*) (void *))clk_disable_unprepare,
-				       rk630->ref_clk);
-	if (ret)
-		return ret;
 
 	rk630->reset_gpio = devm_gpiod_get(rk630->dev, "reset", 0);
 	if (IS_ERR(rk630->reset_gpio)) {
@@ -272,17 +182,6 @@
 	gpiod_direction_output(rk630->reset_gpio, 1);
 	usleep_range(50000, 60000);
 	gpiod_direction_output(rk630->reset_gpio, 0);
-
-	if (!rk630->irq) {
-		dev_err(rk630->dev, "No interrupt support, no core IRQ\n");
-		return -EINVAL;
-	}
-
-	regmap_update_bits(rk630->grf, PLUMAGE_GRF_SOC_CON0,
-			   RTC_CLAMP_EN_MASK, RTC_CLAMP_EN(1));
-
-	/* disable ext_off\vbat_det\msec\sys_int\periodic interrupt by default */
-	regmap_write(rk630->rtc, RTC_INT1_EN, 0);
 
 	ret = devm_mfd_add_devices(rk630->dev, PLATFORM_DEVID_NONE,
 				   rk630_devs, ARRAY_SIZE(rk630_devs),
@@ -305,7 +204,7 @@
 	}
 
 	if (macphy_enabled)
-		rk630_macphy_enable(rk630, rate);
+		rk630_macphy_enable(rk630);
 	else
 		rk630_macphy_disable(rk630);
 

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