openwrt/target/linux/brcm63xx/patches-4.4/001-4.15-02-MIPS-BCM63XX-provide-periph-clock-as-refclk-for-uart.patch

From d0322bf7bebe87012b4f95c85be6b5ba0cb6f344 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Sun, 16 Jul 2017 12:31:44 +0200
Subject: [PATCH V2 2/8] MIPS: BCM63XX: provide periph clock as refclk for uart

Add a lookup as "refclk" to describe its function for the uarts.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
 arch/mips/bcm63xx/clk.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -356,6 +356,8 @@ EXPORT_SYMBOL_GPL(clk_round_rate);
 static struct clk_lookup bcm3368_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enet0", &clk_enet0),
 	CLKDEV_INIT(NULL, "enet1", &clk_enet1),
@@ -369,6 +371,8 @@ static struct clk_lookup bcm3368_clks[]
 static struct clk_lookup bcm6328_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
 	CLKDEV_INIT(NULL, "usbh", &clk_usbh),
@@ -380,6 +384,7 @@ static struct clk_lookup bcm6328_clks[]
 static struct clk_lookup bcm6338_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enet0", &clk_enet0),
 	CLKDEV_INIT(NULL, "enet1", &clk_enet1),
@@ -392,6 +397,7 @@ static struct clk_lookup bcm6338_clks[]
 static struct clk_lookup bcm6345_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enet0", &clk_enet0),
 	CLKDEV_INIT(NULL, "enet1", &clk_enet1),
@@ -404,6 +410,7 @@ static struct clk_lookup bcm6345_clks[]
 static struct clk_lookup bcm6348_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enet0", &clk_enet0),
 	CLKDEV_INIT(NULL, "enet1", &clk_enet1),
@@ -416,6 +423,8 @@ static struct clk_lookup bcm6348_clks[]
 static struct clk_lookup bcm6358_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enet0", &clk_enet0),
 	CLKDEV_INIT(NULL, "enet1", &clk_enet1),
@@ -429,6 +438,8 @@ static struct clk_lookup bcm6358_clks[]
 static struct clk_lookup bcm6362_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
 	CLKDEV_INIT(NULL, "usbh", &clk_usbh),
@@ -442,6 +453,8 @@ static struct clk_lookup bcm6362_clks[]
 static struct clk_lookup bcm6368_clks[] = {
 	/* fixed rate clocks */
 	CLKDEV_INIT(NULL, "periph", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
+	CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
 	/* gated clocks */
 	CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
 	CLKDEV_INIT(NULL, "usbh", &clk_usbh),