From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Mon, 9 Jul 2012 14:14:53 +0800 Subject: [PATCH 4/7] ARM: mxs: convert apx4devkit board to device tree In-Reply-To: <1341814496-17487-1-git-send-email-shawn.guo@linaro.org> References: <1341814496-17487-1-git-send-email-shawn.guo@linaro.org> Message-ID: <1341814496-17487-5-git-send-email-shawn.guo@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Cc: Lauri Hintsala Signed-off-by: Shawn Guo --- arch/arm/boot/dts/apx4devkit.dts | 143 ++++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/imx28.dtsi | 33 +++++++++ arch/arm/mach-mxs/mach-mxs.c | 23 ++++++ 3 files changed, 199 insertions(+), 0 deletions(-) create mode 100644 arch/arm/boot/dts/apx4devkit.dts diff --git a/arch/arm/boot/dts/apx4devkit.dts b/arch/arm/boot/dts/apx4devkit.dts new file mode 100644 index 0000000..a670a90 --- /dev/null +++ b/arch/arm/boot/dts/apx4devkit.dts @@ -0,0 +1,143 @@ +/dts-v1/; +/include/ "imx28.dtsi" + +/ { + model = "Bluegiga APX4 Development Kit"; + compatible = "bluegiga,apx4devkit", "fsl,imx28"; + + memory { + reg = <0x40000000 0x04000000>; + }; + + apb at 80000000 { + apbh at 80000000 { + ssp0: ssp at 80010000 { + compatible = "fsl,imx28-mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_8bit_pins_a + &mmc0_cd_cfg + &mmc0_sck_cfg>; + bus-width = <8>; + status = "okay"; + }; + + pinctrl at 80018000 { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_a>; + + hog_pins_a: hog-gpios at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + }; + + apbx at 80040000 { + saif0: saif at 80042000 { + pinctrl-names = "default"; + pinctrl-0 = <&saif0_pins_a>; + status = "okay"; + }; + + saif1: saif at 80046000 { + pinctrl-names = "default"; + pinctrl-0 = <&saif1_pins_a>; + fsl,saif-master = <&saif0>; + status = "okay"; + }; + + i2c0: i2c at 80058000 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + sgtl5000: codec at 0a { + compatible = "fsl,sgtl5000"; + reg = <0x0a>; + VDDA-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; + + }; + + pcf8563: rtc at 51 { + compatible = "phg,pcf8563"; + reg = <0x51>; + }; + }; + + duart: serial at 80074000 { + pinctrl-names = "default"; + pinctrl-0 = <&duart_pins_a>; + status = "okay"; + }; + + auart0: serial at 8006a000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart0_pins_a>; + status = "okay"; + }; + + auart1: serial at 8006c000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart1_2pins_a>; + status = "okay"; + }; + + auart2: serial at 8006e000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart2_2pins_a>; + status = "okay"; + }; + + auart3: serial at 80070000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart3_2pins_a>; + status = "okay"; + }; + }; + }; + + ahb at 80080000 { + mac0: ethernet at 800f0000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + status = "okay"; + }; + }; + + regulators { + compatible = "simple-bus"; + + reg_3p3v: 3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; + + sound { + compatible = "fsl,imx28-evk-sgtl5000", + "fsl,mxs-audio-sgtl5000"; + model = "imx28-evk-sgtl5000"; + saif-controllers = <&saif0 &saif1>; + audio-codec = <&sgtl5000>; + }; + + leds { + compatible = "gpio-leds"; + + user { + label = "Heartbeat"; + gpios = <&gpio3 28 0>; + linux,default-trigger = "heartbeat"; + }; + }; +}; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 3390607..73578cb 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -243,6 +243,28 @@ fsl,pull-up = <0>; }; + auart1_2pins_a: auart1-2pins at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3040 /* MX28_PAD_AUART1_RX__AUART1_RX */ + 0x3050 /* MX28_PAD_AUART1_TX__AUART1_TX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + auart2_2pins_a: auart2-2pins at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2101 /* MX28_PAD_SSP2_SCK__AUART2_RX */ + 0x2111 /* MX28_PAD_SSP2_MOSI__AUART2_TX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + auart3_pins_a: auart3 at 0 { reg = <0>; fsl,pinmux-ids = < @@ -256,6 +278,17 @@ fsl,pull-up = <0>; }; + auart3_2pins_a: auart3-2pins at 0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2121 /* MX28_PAD_SSP2_MISO__AUART3_RX */ + 0x2131 /* MX28_PAD_SSP2_SS0__AUART3_TX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + mac0_pins_a: mac0 at 0 { reg = <0>; fsl,pinmux-ids = < diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 6bb6db8..646bac5 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -16,9 +16,11 @@ #include #include #include +#include #include #include #include +#include #include #include #include @@ -230,6 +232,24 @@ static void __init m28evk_init(void) mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT; } +static int apx4devkit_phy_fixup(struct phy_device *phy) +{ + phy->dev_flags |= MICREL_PHY_50MHZ_CLK; + return 0; +} + +static void __init apx4devkit_init(void) +{ + struct clk *clk = clk_get_sys("enet_out", NULL); + + if (!IS_ERR(clk)) + clk_prepare_enable(clk); + + if (IS_BUILTIN(CONFIG_PHYLIB)) + phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK, + apx4devkit_phy_fixup); +} + static void __init mxs_machine_init(void) { if (of_machine_is_compatible("fsl,imx28-evk")) @@ -238,6 +258,8 @@ static void __init mxs_machine_init(void) imx23_evk_init(); else if (of_machine_is_compatible("denx,m28evk")) m28evk_init(); + else if (of_machine_is_compatible("bluegiga,apx4devkit")) + apx4devkit_init(); of_platform_populate(NULL, of_default_bus_match_table, mxs_auxdata_lookup, NULL); @@ -251,6 +273,7 @@ static const char *imx23_dt_compat[] __initdata = { }; static const char *imx28_dt_compat[] __initdata = { + "bluegiga,apx4devkit", "crystalfontz,cfa10036", "denx,m28evk", "fsl,imx28-evk", -- 1.7.5.4