--- zzzz-none-000/linux-3.10.107/arch/mips/ath79/dev-common.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/ath79/dev-common.c	2021-02-04 17:41:59.000000000 +0000
@@ -14,13 +14,13 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/platform_data/gpio-ath79.h>
 #include <linux/serial_8250.h>
 #include <linux/clk.h>
 #include <linux/err.h>
 
 #include <asm/mach-ath79/ath79.h>
 #include <asm/mach-ath79/ar71xx_regs.h>
-#include <asm/mach-ath79/ar933x_uart_platform.h>
 #include "common.h"
 #include "dev-common.h"
 
@@ -68,34 +68,31 @@
 	},
 };
 
-static struct ar933x_uart_platform_data ar933x_uart_data;
 static struct platform_device ar933x_uart_device = {
 	.name		= "ar933x-uart",
 	.id		= -1,
 	.resource	= ar933x_uart_resources,
 	.num_resources	= ARRAY_SIZE(ar933x_uart_resources),
-	.dev = {
-		.platform_data	= &ar933x_uart_data,
-	},
 };
 
 void __init ath79_register_uart(void)
 {
-	struct clk *clk;
+	unsigned long uart_clk_rate;
 
-	clk = clk_get(NULL, "uart");
-	if (IS_ERR(clk))
-		panic("unable to get UART clock, err=%ld", PTR_ERR(clk));
+	uart_clk_rate = ath79_get_sys_clk_rate("uart");
 
 	if (soc_is_ar71xx() ||
 	    soc_is_ar724x() ||
 	    soc_is_ar913x() ||
 	    soc_is_ar934x() ||
-	    soc_is_qca955x()) {
-		ath79_uart_data[0].uartclk = clk_get_rate(clk);
+	    soc_is_qca953x() ||
+	    soc_is_qca955x() ||
+	    soc_is_qca956x() ||
+	    soc_is_qcn550x() ||
+	    soc_is_tp9343()) {
+		ath79_uart_data[0].uartclk = uart_clk_rate;
 		platform_device_register(&ath79_uart_device);
 	} else if (soc_is_ar933x()) {
-		ar933x_uart_data.uartclk = clk_get_rate(clk);
 		platform_device_register(&ar933x_uart_device);
 	} else {
 		BUG();
@@ -114,3 +111,64 @@
 
 	platform_device_register_simple("ath79-wdt", -1, &res, 1);
 }
+
+static struct ath79_gpio_platform_data ath79_gpio_pdata;
+
+static struct resource ath79_gpio_resources[] = {
+	{
+		.flags = IORESOURCE_MEM,
+		.start = AR71XX_GPIO_BASE,
+		.end = AR71XX_GPIO_BASE + AR71XX_GPIO_SIZE - 1,
+	},
+	{
+		.start	= ATH79_MISC_IRQ(2),
+		.end	= ATH79_MISC_IRQ(2),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device ath79_gpio_device = {
+	.name		= "ath79-gpio",
+	.id		= -1,
+	.resource	= ath79_gpio_resources,
+	.num_resources	= ARRAY_SIZE(ath79_gpio_resources),
+	.dev = {
+		.platform_data	= &ath79_gpio_pdata
+	},
+};
+
+void __init ath79_gpio_init(void)
+{
+	if (soc_is_ar71xx()) {
+		ath79_gpio_pdata.ngpios = AR71XX_GPIO_COUNT;
+	} else if (soc_is_ar7240()) {
+		ath79_gpio_pdata.ngpios = AR7240_GPIO_COUNT;
+	} else if (soc_is_ar7241() || soc_is_ar7242()) {
+		ath79_gpio_pdata.ngpios = AR7241_GPIO_COUNT;
+	} else if (soc_is_ar913x()) {
+		ath79_gpio_pdata.ngpios = AR913X_GPIO_COUNT;
+	} else if (soc_is_ar933x()) {
+		ath79_gpio_pdata.ngpios = AR933X_GPIO_COUNT;
+	} else if (soc_is_ar934x()) {
+		ath79_gpio_pdata.ngpios = AR934X_GPIO_COUNT;
+		ath79_gpio_pdata.oe_inverted = 1;
+	} else if (soc_is_qca953x()) {
+		ath79_gpio_pdata.ngpios = QCA953X_GPIO_COUNT;
+		ath79_gpio_pdata.oe_inverted = 1;
+	} else if (soc_is_qca955x()) {
+		ath79_gpio_pdata.ngpios = QCA955X_GPIO_COUNT;
+		ath79_gpio_pdata.oe_inverted = 1;
+	} else if (soc_is_qca956x() || soc_is_tp9343()) {
+		ath79_gpio_pdata.ngpios = QCA956X_GPIO_COUNT;
+		ath79_gpio_pdata.oe_inverted = 1;
+	} else if (soc_is_qcn550x()) {
+		ath79_gpio_pdata.ngpios = QCN550X_GPIO_COUNT;
+		ath79_gpio_pdata.oe_inverted = 1;
+	} else {
+		BUG();
+	}
+
+	platform_device_register(&ath79_gpio_device);
+	ath79_gpio_base = ioremap(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE);
+}
+