diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.9/001-4.15-01-MIPS-BCM63XX-add-clkdev-lookup-support.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.9/001-4.15-01-MIPS-BCM63XX-add-clkdev-lookup-support.patch | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.9/001-4.15-01-MIPS-BCM63XX-add-clkdev-lookup-support.patch b/target/linux/brcm63xx/patches-4.9/001-4.15-01-MIPS-BCM63XX-add-clkdev-lookup-support.patch new file mode 100644 index 0000000000..59e9933e5f --- /dev/null +++ b/target/linux/brcm63xx/patches-4.9/001-4.15-01-MIPS-BCM63XX-add-clkdev-lookup-support.patch @@ -0,0 +1,210 @@ +From e74caf41aec5338b8cbbd0a1483650848f16f532 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Sun, 16 Jul 2017 12:23:47 +0200 +Subject: [PATCH V2 1/8] MIPS: BCM63XX: add clkdev lookup support + +Enable clkdev lookup support to allow us providing clocks under +different names to devices more easily, so we don't need to care +about clock name clashes anymore. + +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> +--- + arch/mips/Kconfig | 1 + + arch/mips/bcm63xx/clk.c | 150 +++++++++++++++++++++++++++++++++++++----------- + 2 files changed, 116 insertions(+), 35 deletions(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -271,6 +271,7 @@ config BCM63XX + select GPIOLIB + select HAVE_CLK + select MIPS_L1_CACHE_SHIFT_4 ++ select CLKDEV_LOOKUP + help + Support for BCM63XX based boards + +--- a/arch/mips/bcm63xx/clk.c ++++ b/arch/mips/bcm63xx/clk.c +@@ -10,6 +10,7 @@ + #include <linux/mutex.h> + #include <linux/err.h> + #include <linux/clk.h> ++#include <linux/clkdev.h> + #include <linux/delay.h> + #include <bcm63xx_cpu.h> + #include <bcm63xx_io.h> +@@ -355,44 +356,103 @@ long clk_round_rate(struct clk *clk, uns + } + EXPORT_SYMBOL_GPL(clk_round_rate); + +-struct clk *clk_get(struct device *dev, const char *id) +-{ +- if (!strcmp(id, "enet0")) +- return &clk_enet0; +- if (!strcmp(id, "enet1")) +- return &clk_enet1; +- if (!strcmp(id, "enetsw")) +- return &clk_enetsw; +- if (!strcmp(id, "ephy")) +- return &clk_ephy; +- if (!strcmp(id, "usbh")) +- return &clk_usbh; +- if (!strcmp(id, "usbd")) +- return &clk_usbd; +- if (!strcmp(id, "spi")) +- return &clk_spi; +- if (!strcmp(id, "hsspi")) +- return &clk_hsspi; +- if (!strcmp(id, "xtm")) +- return &clk_xtm; +- if (!strcmp(id, "periph")) +- return &clk_periph; +- if ((BCMCPU_IS_3368() || BCMCPU_IS_6358()) && !strcmp(id, "pcm")) +- return &clk_pcm; +- if ((BCMCPU_IS_6362() || BCMCPU_IS_6368()) && !strcmp(id, "ipsec")) +- return &clk_ipsec; +- if ((BCMCPU_IS_6328() || BCMCPU_IS_6362()) && !strcmp(id, "pcie")) +- return &clk_pcie; +- return ERR_PTR(-ENOENT); +-} +- +-EXPORT_SYMBOL(clk_get); +- +-void clk_put(struct clk *clk) +-{ +-} +- +-EXPORT_SYMBOL(clk_put); ++static struct clk_lookup bcm3368_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enet0", &clk_enet0), ++ CLKDEV_INIT(NULL, "enet1", &clk_enet1), ++ CLKDEV_INIT(NULL, "ephy", &clk_ephy), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++ CLKDEV_INIT(NULL, "pcm", &clk_pcm), ++}; ++ ++static struct clk_lookup bcm6328_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enetsw", &clk_enetsw), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "hsspi", &clk_hsspi), ++ CLKDEV_INIT(NULL, "pcie", &clk_pcie), ++}; ++ ++static struct clk_lookup bcm6338_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enet0", &clk_enet0), ++ CLKDEV_INIT(NULL, "enet1", &clk_enet1), ++ CLKDEV_INIT(NULL, "ephy", &clk_ephy), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++}; ++ ++static struct clk_lookup bcm6345_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enet0", &clk_enet0), ++ CLKDEV_INIT(NULL, "enet1", &clk_enet1), ++ CLKDEV_INIT(NULL, "ephy", &clk_ephy), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++}; ++ ++static struct clk_lookup bcm6348_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enet0", &clk_enet0), ++ CLKDEV_INIT(NULL, "enet1", &clk_enet1), ++ CLKDEV_INIT(NULL, "ephy", &clk_ephy), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++}; ++ ++static struct clk_lookup bcm6358_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enet0", &clk_enet0), ++ CLKDEV_INIT(NULL, "enet1", &clk_enet1), ++ CLKDEV_INIT(NULL, "ephy", &clk_ephy), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++ CLKDEV_INIT(NULL, "pcm", &clk_pcm), ++}; ++ ++static struct clk_lookup bcm6362_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enetsw", &clk_enetsw), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++ CLKDEV_INIT(NULL, "hsspi", &clk_hsspi), ++ CLKDEV_INIT(NULL, "pcie", &clk_pcie), ++ CLKDEV_INIT(NULL, "ipsec", &clk_ipsec), ++}; ++ ++static struct clk_lookup bcm6368_clks[] = { ++ /* fixed rate clocks */ ++ CLKDEV_INIT(NULL, "periph", &clk_periph), ++ /* gated clocks */ ++ CLKDEV_INIT(NULL, "enetsw", &clk_enetsw), ++ CLKDEV_INIT(NULL, "usbh", &clk_usbh), ++ CLKDEV_INIT(NULL, "usbd", &clk_usbd), ++ CLKDEV_INIT(NULL, "spi", &clk_spi), ++ CLKDEV_INIT(NULL, "xtm", &clk_xtm), ++ CLKDEV_INIT(NULL, "ipsec", &clk_ipsec), ++}; + + #define HSSPI_PLL_HZ_6328 133333333 + #define HSSPI_PLL_HZ_6362 400000000 +@@ -400,11 +460,31 @@ EXPORT_SYMBOL(clk_put); + static int __init bcm63xx_clk_init(void) + { + switch (bcm63xx_get_cpu_id()) { ++ case BCM3368_CPU_ID: ++ clkdev_add_table(bcm3368_clks, ARRAY_SIZE(bcm3368_clks)); ++ break; + case BCM6328_CPU_ID: + clk_hsspi.rate = HSSPI_PLL_HZ_6328; ++ clkdev_add_table(bcm6328_clks, ARRAY_SIZE(bcm6328_clks)); ++ break; ++ case BCM6338_CPU_ID: ++ clkdev_add_table(bcm6338_clks, ARRAY_SIZE(bcm6338_clks)); ++ break; ++ case BCM6345_CPU_ID: ++ clkdev_add_table(bcm6345_clks, ARRAY_SIZE(bcm6345_clks)); ++ break; ++ case BCM6348_CPU_ID: ++ clkdev_add_table(bcm6348_clks, ARRAY_SIZE(bcm6348_clks)); ++ break; ++ case BCM6358_CPU_ID: ++ clkdev_add_table(bcm6358_clks, ARRAY_SIZE(bcm6358_clks)); + break; + case BCM6362_CPU_ID: + clk_hsspi.rate = HSSPI_PLL_HZ_6362; ++ clkdev_add_table(bcm6362_clks, ARRAY_SIZE(bcm6362_clks)); ++ break; ++ case BCM6368_CPU_ID: ++ clkdev_add_table(bcm6368_clks, ARRAY_SIZE(bcm6368_clks)); + break; + } + |