From 1611f872513735ac7105535689c0dd668fbf1c04 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Sat, 17 Nov 2012 15:22:28 +0100 Subject: ARM: Kirkwood: switch to DT clock providers With true DT clock providers available switch Kirkwood clock setup in DT- enabled boards. While AUXDATA can be removed completely from bus probing, some devices still don't know about DT. Therefore, some clkdev aliases are created until these devices also move to DT. Signed-off-by: Andrew Lunn --- arch/arm/mach-kirkwood/Kconfig | 2 ++ arch/arm/mach-kirkwood/board-dt.c | 71 ++++++++++++++++++++++++++++++++------- 2 files changed, 60 insertions(+), 13 deletions(-) (limited to 'arch/arm/mach-kirkwood') diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 50bca50..2833492 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -46,6 +46,8 @@ config MACH_GURUPLUG config ARCH_KIRKWOOD_DT bool "Marvell Kirkwood Flattened Device Tree" + select MVEBU_CLK_CORE + select MVEBU_CLK_GATING select USE_OF help Say 'Y' here if you want your kernel to support the diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index d94872f..8bdfaa4 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -14,11 +14,15 @@ #include #include #include +#include +#include #include #include #include #include +#include #include +#include #include "common.h" static struct of_device_id kirkwood_dt_match_table[] __initdata = { @@ -26,16 +30,58 @@ static struct of_device_id kirkwood_dt_match_table[] __initdata = { { } }; -struct of_dev_auxdata kirkwood_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL), - OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0", - NULL), - OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL), - OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL), - OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL), - OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1030000, "mv_crypto", NULL), - {}, -}; +/* + * There are still devices that doesn't know about DT yet. Get clock + * gates here and add a clock lookup alias, so that old platform + * devices still work. +*/ + +static void __init kirkwood_legacy_clk_init(void) +{ + + struct device_node *np = of_find_compatible_node( + NULL, NULL, "marvell,kirkwood-gating-clock"); + + struct of_phandle_args clkspec; + + clkspec.np = np; + clkspec.args_count = 1; + + clkspec.args[0] = CGC_BIT_GE0; + orion_clkdev_add(NULL, "mv643xx_eth_port.0", + of_clk_get_from_provider(&clkspec)); + + clkspec.args[0] = CGC_BIT_PEX0; + orion_clkdev_add("0", "pcie", + of_clk_get_from_provider(&clkspec)); + + clkspec.args[0] = CGC_BIT_USB0; + orion_clkdev_add(NULL, "orion-ehci.0", + of_clk_get_from_provider(&clkspec)); + + clkspec.args[0] = CGC_BIT_XOR0; + orion_clkdev_add(NULL, "mv_xor_shared.0", + of_clk_get_from_provider(&clkspec)); + + clkspec.args[0] = CGC_BIT_XOR1; + orion_clkdev_add(NULL, "mv_xor_shared.1", + of_clk_get_from_provider(&clkspec)); + + clkspec.args[0] = CGC_BIT_PEX1; + orion_clkdev_add("1", "pcie", + of_clk_get_from_provider(&clkspec)); + + clkspec.args[0] = CGC_BIT_GE1; + orion_clkdev_add(NULL, "mv643xx_eth_port.1", + of_clk_get_from_provider(&clkspec)); + +} + +static void __init kirkwood_of_clk_init(void) +{ + mvebu_clocks_init(); + kirkwood_legacy_clk_init(); +} static void __init kirkwood_dt_init(void) { @@ -54,7 +100,7 @@ static void __init kirkwood_dt_init(void) kirkwood_l2_init(); /* Setup root of clk tree */ - kirkwood_clk_init(); + kirkwood_of_clk_init(); /* internal devices that every board has */ kirkwood_xor0_init(); @@ -94,8 +140,7 @@ static void __init kirkwood_dt_init(void) if (of_machine_is_compatible("keymile,km_kirkwood")) km_kirkwood_init(); - of_platform_populate(NULL, kirkwood_dt_match_table, - kirkwood_auxdata_lookup, NULL); + of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL); } static const char *kirkwood_dt_board_compat[] = { -- cgit v1.1 From 0dddee7a7d42192267ebef0fe15be8b296b665c8 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Tue, 30 Oct 2012 11:59:42 +0100 Subject: dma: mv_xor: change the driver name to 'mv_xor' Since we got rid of the per-XOR channel 'mv_xor' driver, now the per-XOR engine driver that used to be called 'mv_xor_shared' can simply be named 'mv_xor'. Signed-off-by: Thomas Petazzoni --- arch/arm/mach-kirkwood/board-dt.c | 5 +++-- arch/arm/mach-kirkwood/common.c | 4 ++-- 2 files changed, 5 insertions(+), 4 deletions(-) (limited to 'arch/arm/mach-kirkwood') diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index 8bdfaa4..294ad5a 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include "common.h" @@ -60,11 +61,11 @@ static void __init kirkwood_legacy_clk_init(void) of_clk_get_from_provider(&clkspec)); clkspec.args[0] = CGC_BIT_XOR0; - orion_clkdev_add(NULL, "mv_xor_shared.0", + orion_clkdev_add(NULL, MV_XOR_NAME ".0", of_clk_get_from_provider(&clkspec)); clkspec.args[0] = CGC_BIT_XOR1; - orion_clkdev_add(NULL, "mv_xor_shared.1", + orion_clkdev_add(NULL, MV_XOR_NAME ".1", of_clk_get_from_provider(&clkspec)); clkspec.args[0] = CGC_BIT_PEX1; diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 2c6c218..401dac1 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -260,8 +260,8 @@ void __init kirkwood_clk_init(void) orion_clkdev_add(NULL, "orion_nand", runit); orion_clkdev_add(NULL, "mvsdio", sdio); orion_clkdev_add(NULL, "mv_crypto", crypto); - orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".0", xor0); - orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".1", xor1); + orion_clkdev_add(NULL, MV_XOR_NAME ".0", xor0); + orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1); orion_clkdev_add("0", "pcie", pex0); orion_clkdev_add("1", "pcie", pex1); orion_clkdev_add(NULL, "kirkwood-i2s", audio); -- cgit v1.1 From c896ed0fd72505104db3e78fffe3d8c604d25277 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Sun, 18 Nov 2012 11:44:57 +0100 Subject: arm: kirkwood: Convert XOR instantiation to DT. Use DT to describe the two XOR DMA engines on Kirkwood. Remove the C code initialization. Signed-off-by: Andrew Lunn Signed-off-by: Thomas Petazzoni --- arch/arm/mach-kirkwood/board-dt.c | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'arch/arm/mach-kirkwood') diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index 294ad5a..9826904 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -21,7 +21,6 @@ #include #include #include -#include #include #include #include "common.h" @@ -60,14 +59,6 @@ static void __init kirkwood_legacy_clk_init(void) orion_clkdev_add(NULL, "orion-ehci.0", of_clk_get_from_provider(&clkspec)); - clkspec.args[0] = CGC_BIT_XOR0; - orion_clkdev_add(NULL, MV_XOR_NAME ".0", - of_clk_get_from_provider(&clkspec)); - - clkspec.args[0] = CGC_BIT_XOR1; - orion_clkdev_add(NULL, MV_XOR_NAME ".1", - of_clk_get_from_provider(&clkspec)); - clkspec.args[0] = CGC_BIT_PEX1; orion_clkdev_add("1", "pcie", of_clk_get_from_provider(&clkspec)); @@ -103,10 +94,6 @@ static void __init kirkwood_dt_init(void) /* Setup root of clk tree */ kirkwood_of_clk_init(); - /* internal devices that every board has */ - kirkwood_xor0_init(); - kirkwood_xor1_init(); - #ifdef CONFIG_KEXEC kexec_reinit = kirkwood_enable_pcie; #endif -- cgit v1.1