openwrt/target/linux/brcm63xx/patches-4.4/001-4.15-05-MIPS-BCM63XX-move-the-HSSPI-PLL-HZ-into-its-own-cloc.patch
Jonas Gorski 5c69047aaf brcm63xx: add clkdev lookup support
Add clockdev lookup support for easier providing of clocks for
devices.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
2017-12-16 12:57:05 +01:00

63 lines
2.1 KiB
Diff

From cb86630379c8f3432c916d62045b5176f17f4123 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Sun, 16 Jul 2017 12:57:21 +0200
Subject: [PATCH V2 6/8] MIPS: BCM63XX: move the HSSPI PLL HZ into its own
clock
Split up the HSSPL clock into rate and a gate clock, to more closely
match the actual hardware.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
arch/mips/bcm63xx/clk.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -247,6 +247,10 @@ static struct clk clk_hsspi = {
.set = hsspi_set,
};
+/*
+ * HSSPI PLL
+ */
+static struct clk clk_hsspi_pll;
/*
* XTM clock
@@ -373,6 +377,7 @@ static struct clk_lookup bcm6328_clks[]
CLKDEV_INIT(NULL, "periph", &clk_periph),
CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
+ CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll),
/* gated clocks */
CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
CLKDEV_INIT(NULL, "usbh", &clk_usbh),
@@ -440,6 +445,7 @@ static struct clk_lookup bcm6362_clks[]
CLKDEV_INIT(NULL, "periph", &clk_periph),
CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph),
CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph),
+ CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll),
/* gated clocks */
CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
CLKDEV_INIT(NULL, "usbh", &clk_usbh),
@@ -474,7 +480,7 @@ static int __init bcm63xx_clk_init(void)
clkdev_add_table(bcm3368_clks, ARRAY_SIZE(bcm3368_clks));
break;
case BCM6328_CPU_ID:
- clk_hsspi.rate = HSSPI_PLL_HZ_6328;
+ clk_hsspi_pll.rate = HSSPI_PLL_HZ_6328;
clkdev_add_table(bcm6328_clks, ARRAY_SIZE(bcm6328_clks));
break;
case BCM6338_CPU_ID:
@@ -490,7 +496,7 @@ static int __init bcm63xx_clk_init(void)
clkdev_add_table(bcm6358_clks, ARRAY_SIZE(bcm6358_clks));
break;
case BCM6362_CPU_ID:
- clk_hsspi.rate = HSSPI_PLL_HZ_6362;
+ clk_hsspi_pll.rate = HSSPI_PLL_HZ_6362;
clkdev_add_table(bcm6362_clks, ARRAY_SIZE(bcm6362_clks));
break;
case BCM6368_CPU_ID: