From 6e2b07a172b6ed98c7cdc301333b2d9f86c11880 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 16 Apr 2013 21:38:29 +0200 Subject: ARM: nomadik: convert all clocks except timer to dt This moves all Nomadik clocks except the one used for the timer/clocksource over to the device tree. Acked-by: Mike Turquette Signed-off-by: Linus Walleij --- arch/arm/mach-nomadik/cpu-8815.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) (limited to 'arch/arm/mach-nomadik') diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 59f6ff5c9bae..0e2c5e0cd65e 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -280,28 +280,12 @@ device_initcall(cpu8815_mmcsd_init); /* These are mostly to get the right device names for the clock lookups */ static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO0_BASE, - "gpio.0", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO1_BASE, - "gpio.1", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO2_BASE, - "gpio.2", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO3_BASE, - "gpio.3", NULL), OF_DEV_AUXDATA("stericsson,nmk-pinctrl-stn8815", 0, "pinctrl-stn8815", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART0_BASE, - "uart0", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART1_BASE, - "uart1", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_RNG_BASE, - "rng", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_RTC_BASE, - "rtc-pl031", NULL), OF_DEV_AUXDATA("stericsson,fsmc-nand", NOMADIK_FSMC_BASE, - "fsmc-nand", &cpu8815_nand_data), + NULL, &cpu8815_nand_data), OF_DEV_AUXDATA("arm,primecell", NOMADIK_SDI_BASE, - "mmci", &mmcsd_plat_data), + NULL, &mmcsd_plat_data), { /* sentinel */ }, }; -- cgit v1.2.3 From 7690fbb293df83025cffb608f9c2e81414c468a8 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 16 Apr 2013 23:44:31 +0200 Subject: ARM: nomadik: register clocksource from device tree This switches the Nomadik platform to also registering its clocksource from the device tree, removing unused support code as we go along. Acked-by: Mike Turquette Signed-off-by: Linus Walleij --- arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 11 ++++++++--- arch/arm/mach-nomadik/Kconfig | 1 + arch/arm/mach-nomadik/cpu-8815.c | 6 +++--- drivers/clk/clk-nomadik.c | 15 --------------- 4 files changed, 12 insertions(+), 21 deletions(-) (limited to 'arch/arm/mach-nomadik') diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index f0df9482cb6f..51a33e080ca9 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -21,18 +21,23 @@ cache-level = <2>; }; - mtu0 { + mtu0: mtu@101e2000 { /* Nomadik system timer */ + compatible = "st,nomadik-mtu"; reg = <0x101e2000 0x1000>; interrupt-parent = <&vica>; interrupts = <4>; + clocks = <&timclk>, <&pclk>; + clock-names = "timclk", "apb_pclk"; }; - mtu1 { + mtu1: mtu@101e3000 { /* Secondary timer */ reg = <0x101e3000 0x1000>; interrupt-parent = <&vica>; interrupts = <5>; + clocks = <&timclk>, <&pclk>; + clock-names = "timclk", "apb_pclk"; }; gpio0: gpio@101e4000 { @@ -101,7 +106,7 @@ pclk: pclk@0 { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <2400000>; + clock-frequency = <0>; }; /* * The 2.4 MHz TIMCLK reference clock is active at diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig index 9b9d105f194c..5981c3db9b41 100644 --- a/arch/arm/mach-nomadik/Kconfig +++ b/arch/arm/mach-nomadik/Kconfig @@ -6,6 +6,7 @@ config ARCH_NOMADIK select ARM_VIC select CLKSRC_NOMADIK_MTU select CLKSRC_NOMADIK_MTU_SCHED_CLOCK + select CLKSRC_OF select COMMON_CLK select CPU_ARM926T select GENERIC_CLOCKEVENTS diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 0e2c5e0cd65e..e73a71f78b4d 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -29,7 +29,7 @@ #include #include #include -#include +#include #include #include #include @@ -172,7 +172,7 @@ static void __init cpu8815_timer_init_of(void) /* We need this to be up now */ nomadik_clk_init(); - mtu = of_find_node_by_path("/mtu0"); + mtu = of_find_node_by_path("/mtu@101e2000"); if (!mtu) return; base = of_iomap(mtu, 0); @@ -188,7 +188,7 @@ static void __init cpu8815_timer_init_of(void) src_cr |= SRC_CR_INIT_VAL; writel(src_cr, base); - nmdk_timer_init(base, irq); + clocksource_of_init(); } static struct fsmc_nand_timings cpu8815_nand_timings = { diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 19f197ccf28d..4a1ab27ee87f 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -17,20 +17,5 @@ static const __initconst struct of_device_id cpu8815_clk_match[] = { void __init nomadik_clk_init(void) { - struct clk *clk; - - clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0); - clk_register_clkdev(clk, "apb_pclk", NULL); - - /* - * The 2.4 MHz TIMCLK reference clock is active at boot time, this is - * actually the MXTALCLK @19.2 MHz divided by 8. This clock is used - * by the timers and watchdog. See page 105 ff. - */ - clk = clk_register_fixed_rate(NULL, "TIMCLK", NULL, CLK_IS_ROOT, - 2400000); - clk_register_clkdev(clk, NULL, "mtu0"); - clk_register_clkdev(clk, NULL, "mtu1"); - of_clk_init(cpu8815_clk_match); } -- cgit v1.2.3 From 175210a842e2c05cb5dc606ad43a5dbefe12977f Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 18 May 2013 23:55:13 +0200 Subject: ARM: nomadik: add led and key for S8815 This adds device tree hunks for the LED and userbutton on the USB S8815 board, and set up a heartbeat trigger on the LED and an escape key on the user button. Alter the defconfig to enable these standard DT-enabled GPIO drivers. Signed-off-by: Linus Walleij --- arch/arm/boot/dts/ste-nomadik-s8815.dts | 22 ++++++++++++++++++++++ arch/arm/configs/nhk8815_defconfig | 6 ++++++ arch/arm/mach-nomadik/cpu-8815.c | 4 ++++ 3 files changed, 32 insertions(+) (limited to 'arch/arm/mach-nomadik') diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index b28fbf3408e3..666945adc120 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -27,4 +27,26 @@ gpios = <&gpio3 16 0x1>; }; }; + + /* The user LED on the board is set up to be used for heartbeat */ + leds { + compatible = "gpio-leds"; + user-led { + label = "user_led"; + gpios = <&gpio0 2 0x1>; + default-state = "off"; + linux,default-trigger = "heartbeat"; + }; + }; + + /* User key mapped in as "escape" */ + gpio-keys { + compatible = "gpio-keys"; + user-button { + label = "user_button"; + gpios = <&gpio0 3 0x1>; + linux,code = <1>; /* KEY_ESC */ + gpio-key,wakeup; + }; + }; }; diff --git a/arch/arm/configs/nhk8815_defconfig b/arch/arm/configs/nhk8815_defconfig index b01e7632ed2e..35f8cf299fa2 100644 --- a/arch/arm/configs/nhk8815_defconfig +++ b/arch/arm/configs/nhk8815_defconfig @@ -81,6 +81,7 @@ CONFIG_PPP_SYNC_TTY=m # CONFIG_INPUT_MOUSEDEV is not set CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_MOUSE_PS2 is not set # CONFIG_SERIO is not set # CONFIG_LEGACY_PTYS is not set @@ -96,6 +97,11 @@ CONFIG_DEBUG_GPIO=y CONFIG_MMC=y CONFIG_MMC_CLKGATE=y CONFIG_MMC_ARMMMCI=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PL031=y CONFIG_DMADEVICES=y diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index e73a71f78b4d..835161709c62 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -99,6 +99,10 @@ static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; static struct pinctrl_map __initdata nhk8815_pinmap[] = { PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), + /* User LED on S8815 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO2_C5", out_high), + /* User button on S8815 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO3_A4", in_nopull), /* Hog in MMC/SD card mux */ PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), /* MCCLK */ -- cgit v1.2.3 From 49932f5ef13fa6a5a8bd71cf2f0b721d0e0b495d Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 24 May 2013 21:56:38 +0200 Subject: ARM: nomadik: move the pin configuration to DT This moves the pin configuration for the Nomadik over to the device tree using Gabriel's bindings. Remove the auxdata nailing down the name of the pin controller as this is no longer necessary. Cc: Gabriel Fernandez Cc: Patrice Chotard Signed-off-by: Linus Walleij --- arch/arm/boot/dts/ste-nomadik-s8815.dts | 41 +++++++++++++++ arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 82 ++++++++++++++++++++++++++++++ arch/arm/mach-nomadik/cpu-8815.c | 51 ------------------- 3 files changed, 123 insertions(+), 51 deletions(-) (limited to 'arch/arm/mach-nomadik') diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index 666945adc120..638ec8df5802 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -14,6 +14,43 @@ bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; + pinctrl { + /* Hog CD pins */ + pinctrl-names = "default"; + pinctrl-0 = <&cd_default_mode>; + + mmcsd-cd { + cd_default_mode: cd_default { + cd_default_cfg1 { + /* CD input GPIO */ + ste,pins = "GPIO111_H21"; + ste,input = <0>; + }; + cd_default_cfg2 { + /* CD GPIO biasing */ + ste,pins = "GPIO112_J21"; + ste,output = <0>; + }; + }; + }; + user-led { + user_led_default_mode: user_led_default { + user_led_default_cfg { + ste,pins = "GPIO2_C5"; + ste,output = <1>; + }; + }; + }; + user-button { + user_button_default_mode: user_button_default { + user_button_default_cfg { + ste,pins = "GPIO3_A4"; + ste,input = <0>; + }; + }; + }; + }; + /* Custom board node with GPIO pins to active etc */ usb-s8815 { /* The S8815 is using this very GPIO pin for the SMSC91x IRQs */ @@ -36,6 +73,8 @@ gpios = <&gpio0 2 0x1>; default-state = "off"; linux,default-trigger = "heartbeat"; + pinctrl-names = "default"; + pinctrl-0 = <&user_led_default_mode>; }; }; @@ -47,6 +86,8 @@ gpios = <&gpio0 3 0x1>; linux,code = <1>; /* KEY_ESC */ gpio-key,wakeup; + pinctrl-names = "default"; + pinctrl-0 = <&user_button_default_mode>; }; }; }; diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index 51a33e080ca9..615da8798a0d 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -94,6 +94,75 @@ pinctrl { compatible = "stericsson,nmk-pinctrl-stn8815"; + /* Pin configurations */ + uart0 { + uart0_default_mux: uart0_mux { + u0_default_mux { + ste,function = "u0"; + ste,pins = "u0_a_1"; + }; + }; + }; + uart1 { + uart1_default_mux: uart1_mux { + u1_default_mux { + ste,function = "u1"; + ste,pins = "u1_a_1"; + }; + }; + }; + mmcsd { + mmcsd_default_mux: mmcsd_mux { + mmcsd_default_mux { + ste,function = "mmcsd"; + ste,pins = "mmcsd_a_1"; + }; + }; + mmcsd_default_mode: mmcsd_default { + mmcsd_default_cfg1 { + /* MCCLK */ + ste,pins = "GPIO8_B10"; + ste,output = <0>; + }; + mmcsd_default_cfg2 { + /* MCCMDDIR, MCDAT0DIR, MCDAT31DIR */ + ste,pins = "GPIO10_C11", "GPIO15_A12", + "GPIO16_C13"; + ste,output = <1>; + }; + mmcsd_default_cfg3 { + /* MCCMD, MCDAT3-0, MCMSFBCLK */ + ste,pins = "GPIO9_A10", "GPIO11_B11", + "GPIO12_A11", "GPIO13_C12", + "GPIO14_B12", "GPIO24_C15"; + ste,input = <1>; + }; + }; + }; + i2c0 { + i2c0_default_mode: i2c0_default { + i2c0_default_cfg { + ste,pins = "GPIO62_D3", "GPIO63_D2"; + ste,input = <1>; + }; + }; + }; + i2c1 { + i2c1_default_mode: i2c1_default { + i2c1_default_cfg { + ste,pins = "GPIO53_L4", "GPIO54_L3"; + ste,input = <1>; + }; + }; + }; + i2c2 { + i2c2_default_mode: i2c2_default { + i2c2_default_cfg { + ste,pins = "GPIO73_C21", "GPIO74_C20"; + ste,input = <1>; + }; + }; + }; }; src: src@101e0000 { @@ -191,6 +260,8 @@ <&gpio1 30 0>; /* scl */ #address-cells = <1>; #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_default_mode>; stw4811@2d { compatible = "st,stw4811"; @@ -205,6 +276,8 @@ <&gpio1 21 0>; /* scl */ #address-cells = <1>; #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_default_mode>; camera@2d { compatible = "st,camera"; @@ -227,6 +300,9 @@ <&gpio2 9 0>; /* scl */ #address-cells = <1>; #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_default_mode>; + stw4811@2d { compatible = "st,stw4811-usb"; reg = <0x2d>; @@ -260,6 +336,8 @@ interrupts = <12>; clocks = <&clk48>, <&pclk>; clock-names = "uartclk", "apb_pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_default_mux>; }; uart1: uart@101fb000 { @@ -269,6 +347,8 @@ interrupts = <17>; clocks = <&clk48>, <&pclk>; clock-names = "uartclk", "apb_pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&uart1_default_mux>; }; uart2: uart@101f2000 { @@ -310,6 +390,8 @@ mmc-cap-sd-highspeed; cd-gpios = <&gpio3 15 0x1>; cd-inverted; + pinctrl-names = "default"; + pinctrl-0 = <&mmcsd_default_mux>, <&mmcsd_default_mode>; }; }; }; diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 835161709c62..89e2c03db178 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -27,8 +27,6 @@ #include #include #include -#include -#include #include #include #include @@ -91,52 +89,6 @@ #define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ #define NOMADIK_UART1_VBASE 0xF01FB000 -static unsigned long out_low[] = { PIN_OUTPUT_LOW }; -static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; -static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; -static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; - -static struct pinctrl_map __initdata nhk8815_pinmap[] = { - PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), - PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), - /* User LED on S8815 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO2_C5", out_high), - /* User button on S8815 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO3_A4", in_nopull), - /* Hog in MMC/SD card mux */ - PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), - /* MCCLK */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), - /* MCCMD */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), - /* MCCMDDIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), - /* MCDAT3-0 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), - /* MCDAT0DIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), - /* MCDAT31DIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), - /* MCMSFBCLK */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), - /* CD input GPIO */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), - /* CD bias drive */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), - /* I2C0 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO62_D3", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO63_D2", in_pullup), - /* I2C1 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO53_L4", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO54_L3", in_pullup), - /* I2C2 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO73_C21", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO74_C20", in_pullup), -}; - /* This is needed for LL-debug/earlyprintk/debug-macro.S */ static struct map_desc cpu8815_io_desc[] __initdata = { { @@ -284,8 +236,6 @@ device_initcall(cpu8815_mmcsd_init); /* These are mostly to get the right device names for the clock lookups */ static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("stericsson,nmk-pinctrl-stn8815", 0, - "pinctrl-stn8815", NULL), OF_DEV_AUXDATA("stericsson,fsmc-nand", NOMADIK_FSMC_BASE, NULL, &cpu8815_nand_data), OF_DEV_AUXDATA("arm,primecell", NOMADIK_SDI_BASE, @@ -299,7 +249,6 @@ static void __init cpu8815_init_of(void) /* At full speed latency must be >=2, so 0x249 in low bits */ l2x0_of_init(0x00730249, 0xfe000fff); #endif - pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); of_platform_populate(NULL, of_default_bus_match_table, cpu8815_auxdata_lookup, NULL); } -- cgit v1.2.3