From aafc787e41fd8a4d3a4378b028d8d8f8d38d9bb6 Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Mon, 20 May 2013 08:05:51 +0000 Subject: arm: bpf_jit: can call module_free() from any context Follow-up on module_free()/vfree() that takes care of the rest, so no longer this workaround with work_struct needed. Signed-off-by: Daniel Borkmann Cc: Al Viro Cc: Mircea Gherzan Signed-off-by: David S. Miller --- arch/arm/net/bpf_jit_32.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 1a643ee..f50d223 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -900,8 +900,7 @@ void bpf_jit_compile(struct sk_filter *fp) #endif alloc_size = 4 * ctx.idx; - ctx.target = module_alloc(max(sizeof(struct work_struct), - alloc_size)); + ctx.target = module_alloc(alloc_size); if (unlikely(ctx.target == NULL)) goto out; @@ -927,19 +926,8 @@ out: return; } -static void bpf_jit_free_worker(struct work_struct *work) -{ - module_free(NULL, work); -} - void bpf_jit_free(struct sk_filter *fp) { - struct work_struct *work; - - if (fp->bpf_func != sk_run_filter) { - work = (struct work_struct *)fp->bpf_func; - - INIT_WORK(work, bpf_jit_free_worker); - schedule_work(work); - } + if (fp->bpf_func != sk_run_filter) + module_free(NULL, fp->bpf_func); } -- cgit v1.1 From b21da664120b1c8332fc5059a1e7c1462dd26433 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 30 May 2013 03:49:22 +0000 Subject: ARM: sun4i: Add muxing options for the ethernet controller The EMAC only has one pinset available for muxing, so hopefully, we cover all cases. Signed-off-by: Maxime Ripard Tested-by: Richard Genoud Signed-off-by: David S. Miller --- arch/arm/boot/dts/sun4i-a10.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index e7ef619..ff1f41f 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -199,6 +199,17 @@ allwinner,drive = <0>; allwinner,pull = <0>; }; + + emac_pins_a: emac0@0 { + allwinner,pins = "PA0", "PA1", "PA2", + "PA3", "PA4", "PA5", "PA6", + "PA7", "PA8", "PA9", "PA10", + "PA11", "PA12", "PA13", "PA14", + "PA15", "PA16"; + allwinner,function = "emac"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; timer@01c20c00 { -- cgit v1.1 From e38afcb33ff4b472254c8f6f140699e002c44d84 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 30 May 2013 03:49:23 +0000 Subject: ARM: sunxi: Add EMAC controller node to sun4i DTSI Signed-off-by: Maxime Ripard Tested-by: Richard Genoud Signed-off-by: David S. Miller --- arch/arm/boot/dts/sun4i-a10.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index ff1f41f..983da33 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -163,6 +163,22 @@ reg = <0x01c20000 0x300000>; ranges; + emac: ethernet@01c0b000 { + compatible = "allwinner,sun4i-emac"; + reg = <0x01c0b000 0x1000>; + interrupts = <55>; + clocks = <&ahb_gates 17>; + status = "disabled"; + }; + + mdio@01c0b080 { + compatible = "allwinner,sun4i-mdio"; + reg = <0x01c0b080 0x14>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + intc: interrupt-controller@01c20400 { compatible = "allwinner,sun4i-ic"; reg = <0x01c20400 0x400>; -- cgit v1.1 From e5a84bac5d6797c64541f87e7a567d56699bbb74 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 30 May 2013 03:49:24 +0000 Subject: ARM: cubieboard: Enable ethernet (EMAC) support in dts Signed-off-by: Stefan Roese Signed-off-by: Maxime Ripard Tested-by: Richard Genoud Signed-off-by: David S. Miller --- arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts index b70fe0d..e752b57 100644 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts @@ -27,6 +27,21 @@ }; soc@01c20000 { + emac: ethernet@01c0b000 { + pinctrl-names = "default"; + pinctrl-0 = <&emac_pins_a>; + phy = <&phy1>; + status = "okay"; + }; + + mdio@01c0b080 { + status = "okay"; + + phy1: ethernet-phy@1 { + reg = <1>; + }; + }; + pinctrl@01c20800 { led_pins_cubieboard: led_pins@0 { allwinner,pins = "PH20", "PH21"; -- cgit v1.1 From d97a079a79a7dcbc2470572b41cd1f07a16d8b7f Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 30 May 2013 03:49:25 +0000 Subject: ARM: sunxi: Add EMAC Controller to Hackberry dt The Hackberry has a PHY that needs to be powered up through a GPIO, so we need to use a fixed regulator here. Signed-off-by: Maxime Ripard Tested-by: Richard Genoud Signed-off-by: David S. Miller --- arch/arm/boot/dts/sun4i-a10-hackberry.dts | 41 +++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/sun4i-a10-hackberry.dts b/arch/arm/boot/dts/sun4i-a10-hackberry.dts index b9efac1..3514b37 100644 --- a/arch/arm/boot/dts/sun4i-a10-hackberry.dts +++ b/arch/arm/boot/dts/sun4i-a10-hackberry.dts @@ -23,10 +23,51 @@ }; soc@01c20000 { + emac: ethernet@01c0b000 { + pinctrl-names = "default"; + pinctrl-0 = <&emac_pins_a>; + phy = <&phy0>; + status = "okay"; + }; + + mdio@01c0b080 { + phy-supply = <®_emac_3v3>; + status = "okay"; + + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; + + pio: pinctrl@01c20800 { + pinctrl-names = "default"; + pinctrl-0 = <&hackberry_hogs>; + + hackberry_hogs: hogs@0 { + allwinner,pins = "PH19"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; + }; + uart0: serial@01c28000 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins_a>; status = "okay"; }; }; + + regulators { + compatible = "simple-bus"; + + reg_emac_3v3: emac-3v3 { + compatible = "regulator-fixed"; + regulator-name = "emac-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + gpio = <&pio 7 19 0>; + }; + }; }; -- cgit v1.1 From 4c4726faed6cf0c7545ac6523de4cc66acd0a61d Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Wed, 15 May 2013 09:32:36 +0200 Subject: can: flexcan: remove HAVE_CAN_FLEXCAN Kconfig symbol This patch removes the Kconfig symbol HAVE_CAN_FLEXCAN from arch/{arm,powerpc} and allowing compilation unconditionally on all arm and powerpc platforms. This brings a bigger compile time coverage and removes the following dependency warning found by Arnd Bergmann: warning: (SOC_IMX28 && SOC_IMX25 && SOC_IMX35 && IMX_HAVE_PLATFORM_FLEXCAN && SOC_IMX53 && SOC_IMX6Q) selects HAVE_CAN_FLEXCAN which has unmet direct dependencies (NET && CAN && CAN_DEV) Acked-by: Arnd Bergmann Acked-by: Benjamin Herrenschmidt Acked-by: Shawn Guo Signed-off-by: Marc Kleine-Budde --- arch/arm/mach-imx/Kconfig | 4 ---- arch/arm/mach-imx/devices/Kconfig | 1 - arch/arm/mach-mxs/Kconfig | 1 - 3 files changed, 6 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index ba44328..af8e109 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -111,7 +111,6 @@ config SOC_IMX25 select ARCH_MXC_IOMUX_V3 select COMMON_CLK select CPU_ARM926T - select HAVE_CAN_FLEXCAN if CAN select MXC_AVIC config SOC_IMX27 @@ -137,7 +136,6 @@ config SOC_IMX35 select ARCH_MXC_IOMUX_V3 select COMMON_CLK select CPU_V6K - select HAVE_CAN_FLEXCAN if CAN select HAVE_EPIT select MXC_AVIC select SMP_ON_UP if SMP @@ -776,7 +774,6 @@ comment "Device tree only" config SOC_IMX53 bool "i.MX53 support" - select HAVE_CAN_FLEXCAN if CAN select HAVE_IMX_SRC select IMX_HAVE_PLATFORM_IMX2_WDT select PINCTRL @@ -799,7 +796,6 @@ config SOC_IMX6Q select CPU_V7 select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if LOCAL_TIMERS - select HAVE_CAN_FLEXCAN if CAN select HAVE_IMX_ANATOP select HAVE_IMX_GPC select HAVE_IMX_MMDC diff --git a/arch/arm/mach-imx/devices/Kconfig b/arch/arm/mach-imx/devices/Kconfig index 3dd2b1b..68c74fb 100644 --- a/arch/arm/mach-imx/devices/Kconfig +++ b/arch/arm/mach-imx/devices/Kconfig @@ -4,7 +4,6 @@ config IMX_HAVE_PLATFORM_FEC config IMX_HAVE_PLATFORM_FLEXCAN bool - select HAVE_CAN_FLEXCAN if CAN config IMX_HAVE_PLATFORM_FSL_USB2_UDC bool diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 4dc2fbb..ce6e7d6 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -11,7 +11,6 @@ config SOC_IMX28 select ARM_AMBA select ARM_CPU_SUSPEND if PM select CPU_ARM926T - select HAVE_CAN_FLEXCAN if CAN select HAVE_PWM select PINCTRL_IMX28 -- cgit v1.1 From b40fbbfc05a5a63e8d4fbc8fdb5f0e78e8627ae4 Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Mon, 3 Jun 2013 20:10:08 +0000 Subject: ARM: OMAP2+: omap2plus_defconfig: Enable Atheros support Enable Atheros 803X phy driver support in defconfig which is present in AM335x EVM and EVM Starter Kit. Signed-off-by: Mugunthan V N Signed-off-by: David S. Miller --- arch/arm/configs/omap2plus_defconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm') diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index 435d69b..aa21009 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -283,3 +283,4 @@ CONFIG_SOC_OMAP5=y CONFIG_TI_DAVINCI_MDIO=y CONFIG_TI_DAVINCI_CPDMA=y CONFIG_TI_CPSW=y +CONFIG_AT803X_PHY=y -- cgit v1.1 From f6655d697b85f75d2a1f4f6a03dd2d4c3549e321 Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Mon, 3 Jun 2013 20:10:09 +0000 Subject: ARM: dts: AM33XX: Add CPSW phy_id device tree data to am335x-evmsk Add phy_id device tree data to am335x-evmsk device to bring up CPSW ethernet present on am335x starter kit. Signed-off-by: Mugunthan V N Signed-off-by: David S. Miller --- arch/arm/boot/dts/am335x-evmsk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index f67c360..acbcac3 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -248,3 +248,11 @@ }; }; }; + +&cpsw_emac0 { + phy_id = <&davinci_mdio>, <0>; +}; + +&cpsw_emac1 { + phy_id = <&davinci_mdio>, <1>; +}; -- cgit v1.1 From 6d75afe2916adf9e9de6862275cdf89b9b7e4d0e Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Mon, 3 Jun 2013 20:10:11 +0000 Subject: ARM: dts: AM33XX: Add phy-mode to CPSW node Adding phy-mode to CPSW node for beaglebone, EVM and EVMsk. Signed-off-by: Mugunthan V N Signed-off-by: David S. Miller --- arch/arm/boot/dts/am335x-bone.dts | 2 ++ arch/arm/boot/dts/am335x-evm.dts | 2 ++ arch/arm/boot/dts/am335x-evmsk.dts | 2 ++ 3 files changed, 6 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index 5302f79..4b5a8e0 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -131,8 +131,10 @@ &cpsw_emac0 { phy_id = <&davinci_mdio>, <0>; + phy-mode = "mii"; }; &cpsw_emac1 { phy_id = <&davinci_mdio>, <1>; + phy-mode = "mii"; }; diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 0423298..814ee03 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -239,8 +239,10 @@ &cpsw_emac0 { phy_id = <&davinci_mdio>, <0>; + phy-mode = "rgmii-txid"; }; &cpsw_emac1 { phy_id = <&davinci_mdio>, <1>; + phy-mode = "rgmii-txid"; }; diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index acbcac3..4297899 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -251,8 +251,10 @@ &cpsw_emac0 { phy_id = <&davinci_mdio>, <0>; + phy-mode = "rgmii-txid"; }; &cpsw_emac1 { phy_id = <&davinci_mdio>, <1>; + phy-mode = "rgmii-txid"; }; -- cgit v1.1 From e5c9b4cd665106d9b5397114ea81a53059410b6a Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Fri, 7 Jun 2013 13:57:12 +0000 Subject: sh_eth: get R8A7740 support out of #ifdef Get the R8A7740 code/data in the driver out of #ifdef by adding "r8a7740-gether" to the platform driver's ID table. Change the GEther platform device's name in the ARM platform code accordingly. Signed-off-by: Sergei Shtylyov Signed-off-by: David S. Miller --- arch/arm/mach-shmobile/board-armadillo800eva.c | 2 +- arch/arm/mach-shmobile/clock-r8a7740.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index b85b288..2b04c80 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -377,7 +377,7 @@ static struct resource sh_eth_resources[] = { }; static struct platform_device sh_eth_device = { - .name = "sh-eth", + .name = "r8a7740-gether", .id = -1, .dev = { .platform_data = &sh_eth_platdata, diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c index c0d39aa..ae93f94 100644 --- a/arch/arm/mach-shmobile/clock-r8a7740.c +++ b/arch/arm/mach-shmobile/clock-r8a7740.c @@ -591,7 +591,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("e6860000.sdhi", &mstp_clks[MSTP313]), CLKDEV_DEV_ID("sh_mmcif", &mstp_clks[MSTP312]), CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), - CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP309]), + CLKDEV_DEV_ID("r8a7740-gether", &mstp_clks[MSTP309]), CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), CLKDEV_DEV_ID("e6870000.sdhi", &mstp_clks[MSTP415]), -- cgit v1.1 From 589ebdef7e3107401bf96a9c660753d397329ee9 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Fri, 7 Jun 2013 14:05:59 +0000 Subject: sh_eth: get R8A777x support out of #ifdef Get the R-Car code/data in the driver out of #ifdef by adding "r8a777x-ether" to the platfrom driver's ID table; since it's the last #ifdef, we remove CARDNAME from the ID table and no longer check the driver data before assigning it to 'mdp->cd'... Change the Ether platform device's name in the ARM platform code accordingly. Signed-off-by: Sergei Shtylyov Signed-off-by: David S. Miller --- arch/arm/mach-shmobile/clock-r8a7778.c | 2 +- arch/arm/mach-shmobile/clock-r8a7779.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c index cd68552..9614b07 100644 --- a/arch/arm/mach-shmobile/clock-r8a7778.c +++ b/arch/arm/mach-shmobile/clock-r8a7778.c @@ -77,7 +77,7 @@ static struct clk mstp_clks[MSTP_NR] = { static struct clk_lookup lookups[] = { /* MSTP32 clocks */ - CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP114]), /* Ether */ + CLKDEV_DEV_ID("r8a777x-ether", &mstp_clks[MSTP114]), /* Ether */ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */ CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */ CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */ diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index 31d5cd4..2f7e524 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -163,7 +163,7 @@ static struct clk_lookup lookups[] = { /* MSTP32 clocks */ CLKDEV_DEV_ID("sata_rcar", &mstp_clks[MSTP115]), /* SATA */ CLKDEV_DEV_ID("fc600000.sata", &mstp_clks[MSTP115]), /* SATA w/DT */ - CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP114]), /* Ether */ + CLKDEV_DEV_ID("r8a777x-ether", &mstp_clks[MSTP114]), /* Ether */ CLKDEV_DEV_ID("ehci-platform.1", &mstp_clks[MSTP101]), /* USB EHCI port2 */ CLKDEV_DEV_ID("ohci-platform.1", &mstp_clks[MSTP101]), /* USB OHCI port2 */ CLKDEV_DEV_ID("ehci-platform.0", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */ -- cgit v1.1 From 30caa4b763bf5973800633de55bae586ab443f78 Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Mon, 10 Jun 2013 23:12:56 -0300 Subject: ARM: imx: prepare for removal of flexcan_platform_data As there are no imx in-tree users of flexcan_platform_data, this patch removes the possibility to register a flexcan device with platform data. The functionality to swith on/off CAN transceivers is added to DT via regulators in a later patch. Compile time tested with imx_v4_v5_defconfig and imx_v6_v7_defconfig. Acked-by: Shawn Guo Acked-by: Sascha Hauer Signed-off-by: Marc Kleine-Budde --- arch/arm/mach-imx/devices-imx25.h | 8 ++++---- arch/arm/mach-imx/devices-imx35.h | 8 ++++---- arch/arm/mach-imx/devices/devices-common.h | 4 +--- arch/arm/mach-imx/devices/platform-flexcan.c | 5 ++--- arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c | 2 +- arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c | 2 +- arch/arm/mach-imx/mach-mx25_3ds.c | 2 +- arch/arm/mach-imx/mach-pcm043.c | 2 +- 8 files changed, 15 insertions(+), 18 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/mach-imx/devices-imx25.h b/arch/arm/mach-imx/devices-imx25.h index 0d2922b..769563f 100644 --- a/arch/arm/mach-imx/devices-imx25.h +++ b/arch/arm/mach-imx/devices-imx25.h @@ -13,10 +13,10 @@ extern const struct imx_fec_data imx25_fec_data; imx_add_fec(&imx25_fec_data, pdata) extern const struct imx_flexcan_data imx25_flexcan_data[]; -#define imx25_add_flexcan(id, pdata) \ - imx_add_flexcan(&imx25_flexcan_data[id], pdata) -#define imx25_add_flexcan0(pdata) imx25_add_flexcan(0, pdata) -#define imx25_add_flexcan1(pdata) imx25_add_flexcan(1, pdata) +#define imx25_add_flexcan(id) \ + imx_add_flexcan(&imx25_flexcan_data[id]) +#define imx25_add_flexcan0() imx25_add_flexcan(0) +#define imx25_add_flexcan1() imx25_add_flexcan(1) extern const struct imx_fsl_usb2_udc_data imx25_fsl_usb2_udc_data; #define imx25_add_fsl_usb2_udc(pdata) \ diff --git a/arch/arm/mach-imx/devices-imx35.h b/arch/arm/mach-imx/devices-imx35.h index e2675f1..780d824 100644 --- a/arch/arm/mach-imx/devices-imx35.h +++ b/arch/arm/mach-imx/devices-imx35.h @@ -17,10 +17,10 @@ extern const struct imx_fsl_usb2_udc_data imx35_fsl_usb2_udc_data; imx_add_fsl_usb2_udc(&imx35_fsl_usb2_udc_data, pdata) extern const struct imx_flexcan_data imx35_flexcan_data[]; -#define imx35_add_flexcan(id, pdata) \ - imx_add_flexcan(&imx35_flexcan_data[id], pdata) -#define imx35_add_flexcan0(pdata) imx35_add_flexcan(0, pdata) -#define imx35_add_flexcan1(pdata) imx35_add_flexcan(1, pdata) +#define imx35_add_flexcan(id) \ + imx_add_flexcan(&imx35_flexcan_data[id]) +#define imx35_add_flexcan0() imx35_add_flexcan(0) +#define imx35_add_flexcan1() imx35_add_flexcan(1) extern const struct imx_imx2_wdt_data imx35_imx2_wdt_data; #define imx35_add_imx2_wdt() \ diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h index 453e20b..c13b76b 100644 --- a/arch/arm/mach-imx/devices/devices-common.h +++ b/arch/arm/mach-imx/devices/devices-common.h @@ -50,7 +50,6 @@ struct platform_device *__init imx_add_fec( const struct imx_fec_data *data, const struct fec_platform_data *pdata); -#include struct imx_flexcan_data { int id; resource_size_t iobase; @@ -58,8 +57,7 @@ struct imx_flexcan_data { resource_size_t irq; }; struct platform_device *__init imx_add_flexcan( - const struct imx_flexcan_data *data, - const struct flexcan_platform_data *pdata); + const struct imx_flexcan_data *data); #include struct imx_fsl_usb2_udc_data { diff --git a/arch/arm/mach-imx/devices/platform-flexcan.c b/arch/arm/mach-imx/devices/platform-flexcan.c index 1078bf0..55d61ea 100644 --- a/arch/arm/mach-imx/devices/platform-flexcan.c +++ b/arch/arm/mach-imx/devices/platform-flexcan.c @@ -38,8 +38,7 @@ const struct imx_flexcan_data imx35_flexcan_data[] __initconst = { #endif /* ifdef CONFIG_SOC_IMX35 */ struct platform_device *__init imx_add_flexcan( - const struct imx_flexcan_data *data, - const struct flexcan_platform_data *pdata) + const struct imx_flexcan_data *data) { struct resource res[] = { { @@ -54,5 +53,5 @@ struct platform_device *__init imx_add_flexcan( }; return imx_add_platform_device("flexcan", data->id, - res, ARRAY_SIZE(res), pdata, sizeof(*pdata)); + res, ARRAY_SIZE(res), NULL, 0); } diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c index e2b70f4c..e77cc3af 100644 --- a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c +++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c @@ -279,7 +279,7 @@ void __init eukrea_mbimxsd25_baseboard_init(void) imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata); imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata); - imx25_add_flexcan1(NULL); + imx25_add_flexcan1(); imx25_add_sdhci_esdhc_imx(0, &sd1_pdata); gpio_request(GPIO_LED1, "LED1"); diff --git a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c index 5a2d5ef..14d6c82 100644 --- a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c +++ b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c @@ -287,7 +287,7 @@ void __init eukrea_mbimxsd35_baseboard_init(void) imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata); - imx35_add_flexcan1(NULL); + imx35_add_flexcan1(); imx35_add_sdhci_esdhc_imx(0, &sd1_pdata); gpio_request(GPIO_LED1, "LED1"); diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c index 8bcda68..13490c2 100644 --- a/arch/arm/mach-imx/mach-mx25_3ds.c +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -249,7 +249,7 @@ static void __init mx25pdk_init(void) imx25_add_imx_i2c0(&mx25_3ds_i2c0_data); gpio_request_one(MX25PDK_CAN_PWDN, GPIOF_OUT_INIT_LOW, "can-pwdn"); - imx25_add_flexcan0(NULL); + imx25_add_flexcan0(); } static void __init mx25pdk_timer_init(void) diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c index 8ed533f..b726cb1 100644 --- a/arch/arm/mach-imx/mach-pcm043.c +++ b/arch/arm/mach-imx/mach-pcm043.c @@ -385,7 +385,7 @@ static void __init pcm043_init(void) if (!otg_mode_host) imx35_add_fsl_usb2_udc(&otg_device_pdata); - imx35_add_flexcan1(NULL); + imx35_add_flexcan1(); imx35_add_sdhci_esdhc_imx(0, &sd1_pdata); } -- cgit v1.1 From b7c4114b07bbacfe0aee1d04ad1ade9e42309620 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 10 Jun 2013 23:12:57 -0300 Subject: can: flexcan: Use a regulator to control the CAN transceiver Instead of using a GPIO to turn on/off the CAN transceiver, it is better to use a regulator as some systems may use a PMIC to power the CAN transceiver. Acked-by: Shawn Guo Signed-off-by: Fabio Estevam Signed-off-by: Marc Kleine-Budde --- arch/arm/boot/dts/imx28-evk.dts | 12 ++++++++++ arch/arm/mach-mxs/mach-mxs.c | 50 +---------------------------------------- 2 files changed, 13 insertions(+), 49 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 3637bf3..1f0d38d 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -155,12 +155,14 @@ can0: can@80032000 { pinctrl-names = "default"; pinctrl-0 = <&can0_pins_a>; + xceiver-supply = <®_can_3v3>; status = "okay"; }; can1: can@80034000 { pinctrl-names = "default"; pinctrl-0 = <&can1_pins_a>; + xceiver-supply = <®_can_3v3>; status = "okay"; }; }; @@ -319,6 +321,16 @@ gpio = <&gpio3 30 0>; enable-active-high; }; + + reg_can_3v3: can-3v3 { + compatible = "regulator-fixed"; + regulator-name = "can-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio2 13 0>; + enable-active-high; + }; + }; sound { diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 5b62b64..97b8a44 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include @@ -60,41 +59,6 @@ static inline void __mxs_togl(u32 mask, void __iomem *reg) __raw_writel(mask, reg + MXS_TOG_ADDR); } -/* - * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers - */ -#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13) - -static int flexcan0_en, flexcan1_en; - -static void mx28evk_flexcan_switch(void) -{ - if (flexcan0_en || flexcan1_en) - gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1); - else - gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0); -} - -static void mx28evk_flexcan0_switch(int enable) -{ - flexcan0_en = enable; - mx28evk_flexcan_switch(); -} - -static void mx28evk_flexcan1_switch(int enable) -{ - flexcan1_en = enable; - mx28evk_flexcan_switch(); -} - -static struct flexcan_platform_data flexcan_pdata[2]; - -static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80032000, NULL, &flexcan_pdata[0]), - OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80034000, NULL, &flexcan_pdata[1]), - { /* sentinel */ } -}; - #define OCOTP_WORD_OFFSET 0x20 #define OCOTP_WORD_COUNT 0x20 @@ -254,15 +218,6 @@ static void __init imx28_evk_init(void) mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); } -static void __init imx28_evk_post_init(void) -{ - if (!gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT, - "flexcan-switch")) { - flexcan_pdata[0].transceiver_switch = mx28evk_flexcan0_switch; - flexcan_pdata[1].transceiver_switch = mx28evk_flexcan1_switch; - } -} - static int apx4devkit_phy_fixup(struct phy_device *phy) { phy->dev_flags |= MICREL_PHY_50MHZ_CLK; @@ -374,13 +329,10 @@ static void __init mxs_machine_init(void) cfa10049_init(); of_platform_populate(NULL, of_default_bus_match_table, - mxs_auxdata_lookup, NULL); + NULL, NULL); if (of_machine_is_compatible("karo,tx28")) tx28_post_init(); - - if (of_machine_is_compatible("fsl,imx28-evk")) - imx28_evk_post_init(); } #define MX23_CLKCTRL_RESET_OFFSET 0x120 -- cgit v1.1