diff options
30 files changed, 523 insertions, 44 deletions
diff --git a/Documentation/devicetree/bindings/mmc/davinci_mmc.txt b/Documentation/devicetree/bindings/mmc/davinci_mmc.txt new file mode 100644 index 000000000000..e5a0140b2381 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/davinci_mmc.txt @@ -0,0 +1,33 @@ +* TI Highspeed MMC host controller for DaVinci + +The Highspeed MMC Host Controller on TI DaVinci family +provides an interface for MMC, SD and SDIO types of memory cards. + +This file documents the properties used by the davinci_mmc driver. + +Required properties: +- compatible: + Should be "ti,da830-mmc": for da830, da850, dm365 + Should be "ti,dm355-mmc": for dm355, dm644x + +Optional properties: +- bus-width: Number of data lines, can be <1>, <4>, or <8>, default <1> +- max-frequency: Maximum operating clock frequency, default 25MHz. +- dmas: List of DMA specifiers with the controller specific format + as described in the generic DMA client binding. A tx and rx + specifier is required. +- dma-names: RX and TX DMA request names. These strings correspond + 1:1 with the DMA specifiers listed in dmas. + +Example: +mmc0: mmc@1c40000 { + compatible = "ti,da830-mmc", + reg = <0x40000 0x1000>; + interrupts = <16>; + status = "okay"; + bus-width = <4>; + max-frequency = <50000000>; + dmas = <&edma 16 + &edma 17>; + dma-names = "rx", "tx"; +}; diff --git a/Documentation/devicetree/bindings/spi/spi-davinci.txt b/Documentation/devicetree/bindings/spi/spi-davinci.txt new file mode 100644 index 000000000000..6d0ac8d0ad9b --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-davinci.txt @@ -0,0 +1,51 @@ +Davinci SPI controller device bindings + +Required properties: +- #address-cells: number of cells required to define a chip select + address on the SPI bus. Should be set to 1. +- #size-cells: should be zero. +- compatible: + - "ti,dm6441-spi" for SPI used similar to that on DM644x SoC family + - "ti,da830-spi" for SPI used similar to that on DA8xx SoC family +- reg: Offset and length of SPI controller register space +- num-cs: Number of chip selects +- ti,davinci-spi-intr-line: interrupt line used to connect the SPI + IP to the interrupt controller within the SoC. Possible values + are 0 and 1. Manual says one of the two possible interrupt + lines can be tied to the interrupt controller. Set this + based on a specifc SoC configuration. +- interrupts: interrupt number mapped to CPU. +- clocks: spi clk phandle + +Example of a NOR flash slave device (n25q032) connected to DaVinci +SPI controller device over the SPI bus. + +spi0:spi@20BF0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "ti,dm6446-spi"; + reg = <0x20BF0000 0x1000>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <338>; + clocks = <&clkspi>; + + flash: n25q032@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,m25p32"; + spi-max-frequency = <25000000>; + reg = <0>; + + partition@0 { + label = "u-boot-spl"; + reg = <0x0 0x80000>; + read-only; + }; + + partition@1 { + label = "test"; + reg = <0x80000 0x380000>; + }; + }; +}; diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts index f712fb607a42..c914357c0d89 100644 --- a/arch/arm/boot/dts/da850-evm.dts +++ b/arch/arm/boot/dts/da850-evm.dts @@ -35,14 +35,124 @@ clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; + + tps: tps@48 { + reg = <0x48>; + }; }; wdt: wdt@1c21000 { status = "okay"; }; + mmc0: mmc@1c40000 { + max-frequency = <50000000>; + bus-width = <4>; + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins>; + }; + spi1: spi@1f0e000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi1_pins &spi1_cs0_pin>; + flash: m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p64"; + spi-max-frequency = <30000000>; + reg = <0>; + partition@0 { + label = "U-Boot-SPL"; + reg = <0x00000000 0x00010000>; + read-only; + }; + partition@1 { + label = "U-Boot"; + reg = <0x00010000 0x00080000>; + read-only; + }; + partition@2 { + label = "U-Boot-Env"; + reg = <0x00090000 0x00010000>; + read-only; + }; + partition@3 { + label = "Kernel"; + reg = <0x000a0000 0x00280000>; + }; + partition@4 { + label = "Filesystem"; + reg = <0x00320000 0x00400000>; + }; + partition@5 { + label = "MAC-Address"; + reg = <0x007f0000 0x00010000>; + read-only; + }; + }; + }; }; nand_cs3@62000000 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&nand_cs3_pins>; }; + vbat: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "vbat"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; +}; + +/include/ "tps6507x.dtsi" + +&tps { + vdcdc1_2-supply = <&vbat>; + vdcdc3-supply = <&vbat>; + vldo1_2-supply = <&vbat>; + + regulators { + vdcdc1_reg: regulator@0 { + regulator-name = "VDCDC1_3.3V"; + regulator-min-microvolt = <3150000>; + regulator-max-microvolt = <3450000>; + regulator-always-on; + regulator-boot-on; + }; + + vdcdc2_reg: regulator@1 { + regulator-name = "VDCDC2_3.3V"; + regulator-min-microvolt = <1710000>; + regulator-max-microvolt = <3450000>; + regulator-always-on; + regulator-boot-on; + ti,defdcdc_default = <1>; + }; + + vdcdc3_reg: regulator@2 { + regulator-name = "VDCDC3_1.2V"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + ti,defdcdc_default = <1>; + }; + + ldo1_reg: regulator@3 { + regulator-name = "LDO1_1.8V"; + regulator-min-microvolt = <1710000>; + regulator-max-microvolt = <1890000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo2_reg: regulator@4 { + regulator-name = "LDO2_1.2V"; + regulator-min-microvolt = <1140000>; + regulator-max-microvolt = <1320000>; + regulator-always-on; + regulator-boot-on; + }; + }; }; diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 3ec1bda64356..2c88313d2c7a 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -62,6 +62,69 @@ 0x10 0x00002200 0x0000ff00 >; }; + mmc0_pins: pinmux_mmc_pins { + pinctrl-single,bits = < + /* MMCSD0_DAT[3] MMCSD0_DAT[2] + * MMCSD0_DAT[1] MMCSD0_DAT[0] + * MMCSD0_CMD MMCSD0_CLK + */ + 0x28 0x00222222 0x00ffffff + >; + }; + ehrpwm0a_pins: pinmux_ehrpwm0a_pins { + pinctrl-single,bits = < + /* EPWM0A */ + 0xc 0x00000002 0x0000000f + >; + }; + ehrpwm0b_pins: pinmux_ehrpwm0b_pins { + pinctrl-single,bits = < + /* EPWM0B */ + 0xc 0x00000020 0x000000f0 + >; + }; + ehrpwm1a_pins: pinmux_ehrpwm1a_pins { + pinctrl-single,bits = < + /* EPWM1A */ + 0x14 0x00000002 0x0000000f + >; + }; + ehrpwm1b_pins: pinmux_ehrpwm1b_pins { + pinctrl-single,bits = < + /* EPWM1B */ + 0x14 0x00000020 0x000000f0 + >; + }; + ecap0_pins: pinmux_ecap0_pins { + pinctrl-single,bits = < + /* ECAP0_APWM0 */ + 0x8 0x20000000 0xf0000000 + >; + }; + ecap1_pins: pinmux_ecap1_pins { + pinctrl-single,bits = < + /* ECAP1_APWM1 */ + 0x4 0x40000000 0xf0000000 + >; + }; + ecap2_pins: pinmux_ecap2_pins { + pinctrl-single,bits = < + /* ECAP2_APWM2 */ + 0x4 0x00000004 0x0000000f + >; + }; + spi1_pins: pinmux_spi_pins { + pinctrl-single,bits = < + /* SIMO, SOMI, CLK */ + 0x14 0x00110100 0x00ff0f00 + >; + }; + spi1_cs0_pin: pinmux_spi1_cs0 { + pinctrl-single,bits = < + /* CS0 */ + 0x14 0x00000010 0x000000f0 + >; + }; }; serial0: serial@1c42000 { compatible = "ns16550a"; @@ -107,6 +170,52 @@ reg = <0x21000 0x1000>; status = "disabled"; }; + mmc0: mmc@1c40000 { + compatible = "ti,da830-mmc"; + reg = <0x40000 0x1000>; + interrupts = <16>; + status = "disabled"; + }; + ehrpwm0: ehrpwm@01f00000 { + compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x300000 0x2000>; + status = "disabled"; + }; + ehrpwm1: ehrpwm@01f02000 { + compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x302000 0x2000>; + status = "disabled"; + }; + ecap0: ecap@01f06000 { + compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x306000 0x80>; + status = "disabled"; + }; + ecap1: ecap@01f07000 { + compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x307000 0x80>; + status = "disabled"; + }; + ecap2: ecap@01f08000 { + compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x308000 0x80>; + status = "disabled"; + }; + spi1: spi@1f0e000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "ti,da830-spi"; + reg = <0x30e000 0x1000>; + num-cs = <4>; + ti,davinci-spi-intr-line = <1>; + interrupts = <56>; + status = "disabled"; + }; }; nand_cs3@62000000 { compatible = "ti,davinci-nand"; diff --git a/arch/arm/boot/dts/tps6507x.dtsi b/arch/arm/boot/dts/tps6507x.dtsi new file mode 100644 index 000000000000..4c326e591e5a --- /dev/null +++ b/arch/arm/boot/dts/tps6507x.dtsi @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * Integrated Power Management Chip + * http://www.ti.com/lit/ds/symlink/tps65070.pdf + */ + +&tps { + compatible = "ti,tps6507x"; + + regulators { + #address-cells = <1>; + #size-cells = <0>; + + vdcdc1_reg: regulator@0 { + reg = <0>; + regulator-compatible = "VDCDC1"; + }; + + vdcdc2_reg: regulator@1 { + reg = <1>; + regulator-compatible = "VDCDC2"; + }; + + vdcdc3_reg: regulator@2 { + reg = <2>; + regulator-compatible = "VDCDC3"; + }; + + ldo1_reg: regulator@3 { + reg = <3>; + regulator-compatible = "LDO1"; + }; + + ldo2_reg: regulator@4 { + reg = <4>; + regulator-compatible = "LDO2"; + }; + + }; +}; diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index 6da25eebf911..12e6f756361d 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -246,7 +246,6 @@ static struct davinci_mmc_config da830_evm_mmc_config = { .wires = 8, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_2, }; static inline void da830_evm_init_mmc(void) diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index c2dfe06563df..dcc8710936a5 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -802,7 +802,6 @@ static struct davinci_mmc_config da850_mmc_config = { .wires = 4, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_2, }; static const short da850_evm_mmcsd0_pins[] __initconst = { @@ -1372,7 +1371,6 @@ static struct davinci_mmc_config da850_wl12xx_mmc_config = { .max_freq = 25000000, .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD, - .version = MMC_CTLR_VERSION_2, }; static const short da850_wl12xx_pins[] __initconst = { diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 147b8e1a4407..bfdf8b979a64 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -280,7 +280,6 @@ static struct davinci_mmc_config dm355evm_mmc_config = { .wires = 4, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_1, }; /* Don't connect anything to J10 unless you're only using USB host diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index c2d4958a0cb6..4cfdd9109e19 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -253,7 +253,6 @@ static struct davinci_mmc_config dm365evm_mmc_config = { .wires = 4, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_2, }; static void dm365evm_emac_configure(void) diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index 71735e7797cc..c0206d5f2bf6 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -570,7 +570,6 @@ static struct davinci_mmc_config dm6446evm_mmc_config = { .get_cd = dm6444evm_mmc_get_cd, .get_ro = dm6444evm_mmc_get_ro, .wires = 4, - .version = MMC_CTLR_VERSION_1 }; static struct i2c_board_info __initdata i2c_info[] = { diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c index 1c98107527fa..b70e83c03bed 100644 --- a/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/arch/arm/mach-davinci/board-neuros-osd2.c @@ -164,7 +164,6 @@ static void __init davinci_ntosd2_map_io(void) static struct davinci_mmc_config davinci_ntosd2_mmc_config = { .wires = 4, - .version = MMC_CTLR_VERSION_1 }; diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index 5a2bd44da54d..328dbd8a37f5 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -136,7 +136,6 @@ static struct davinci_mmc_config da850_mmc_config = { .wires = 4, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_2, }; static __init void omapl138_hawk_mmc_init(void) diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c index 4f416023d4e2..ba798370fc96 100644 --- a/arch/arm/mach-davinci/board-tnetv107x-evm.c +++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c @@ -85,7 +85,6 @@ static struct davinci_mmc_config mmc_config = { .wires = 4, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_1, }; static const short sdio1_pins[] __initconst = { diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index d458558ee84a..dc9a470ff9c5 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c @@ -35,19 +35,26 @@ static void __clk_enable(struct clk *clk) { if (clk->parent) __clk_enable(clk->parent); - if (clk->usecount++ == 0 && (clk->flags & CLK_PSC)) - davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, - true, clk->flags); + if (clk->usecount++ == 0) { + if (clk->flags & CLK_PSC) + davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, + true, clk->flags); + else if (clk->clk_enable) + clk->clk_enable(clk); + } } static void __clk_disable(struct clk *clk) { if (WARN_ON(clk->usecount == 0)) return; - if (--clk->usecount == 0 && !(clk->flags & CLK_PLL) && - (clk->flags & CLK_PSC)) - davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, - false, clk->flags); + if (--clk->usecount == 0) { + if (!(clk->flags & CLK_PLL) && (clk->flags & CLK_PSC)) + davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, + false, clk->flags); + else if (clk->clk_disable) + clk->clk_disable(clk); + } if (clk->parent) __clk_disable(clk->parent); } diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h index 8694b395fc92..1e4e836173a1 100644 --- a/arch/arm/mach-davinci/clock.h +++ b/arch/arm/mach-davinci/clock.h @@ -104,6 +104,8 @@ struct clk { int (*set_rate) (struct clk *clk, unsigned long rate); int (*round_rate) (struct clk *clk, unsigned long rate); int (*reset) (struct clk *clk, bool reset); + void (*clk_enable) (struct clk *clk); + void (*clk_disable) (struct clk *clk); }; /* Clock flags: SoC-specific flags start at BIT(16) */ diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c index 678a54a64dae..abbaf0270be6 100644 --- a/arch/arm/mach-davinci/da830.c +++ b/arch/arm/mach-davinci/da830.c @@ -394,7 +394,7 @@ static struct clk_lookup da830_clks[] = { CLK(NULL, "tpcc", &tpcc_clk), CLK(NULL, "tptc0", &tptc0_clk), CLK(NULL, "tptc1", &tptc1_clk), - CLK("davinci_mmc.0", NULL, &mmcsd_clk), + CLK("da830-mmc.0", NULL, &mmcsd_clk), CLK(NULL, "uart0", &uart0_clk), CLK(NULL, "uart1", &uart1_clk), CLK(NULL, "uart2", &uart2_clk), diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 0c4a26ddebba..4d6933848abf 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -383,6 +383,49 @@ static struct clk dsp_clk = { .flags = PSC_LRST | PSC_FORCE, }; +static struct clk ehrpwm_clk = { + .name = "ehrpwm", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_PWM, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +#define DA8XX_EHRPWM_TBCLKSYNC BIT(12) + +static void ehrpwm_tblck_enable(struct clk *clk) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); + val |= DA8XX_EHRPWM_TBCLKSYNC; + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); +} + +static void ehrpwm_tblck_disable(struct clk *clk) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); + val &= ~DA8XX_EHRPWM_TBCLKSYNC; + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); +} + +static struct clk ehrpwm_tbclk = { + .name = "ehrpwm_tbclk", + .parent = &ehrpwm_clk, + .clk_enable = ehrpwm_tblck_enable, + .clk_disable = ehrpwm_tblck_disable, +}; + +static struct clk ecap_clk = { + .name = "ecap", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_ECAP, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + static struct clk_lookup da850_clks[] = { CLK(NULL, "ref", &ref_clk), CLK(NULL, "pll0", &pll0_clk), @@ -420,8 +463,8 @@ static struct clk_lookup da850_clks[] = { CLK("davinci_emac.1", NULL, &emac_clk), CLK("davinci-mcasp.0", NULL, &mcasp_clk), CLK("da8xx_lcdc.0", "fck", &lcdc_clk), - CLK("davinci_mmc.0", NULL, &mmcsd0_clk), - CLK("davinci_mmc.1", NULL, &mmcsd1_clk), + CLK("da830-mmc.0", NULL, &mmcsd0_clk), + CLK("da830-mmc.1", NULL, &mmcsd1_clk), CLK(NULL, "aemif", &aemif_clk), CLK(NULL, "usb11", &usb11_clk), CLK(NULL, "usb20", &usb20_clk), @@ -430,6 +473,9 @@ static struct clk_lookup da850_clks[] = { CLK("vpif", NULL, &vpif_clk), CLK("ahci", NULL, &sata_clk), CLK("davinci-rproc.0", NULL, &dsp_clk), + CLK("ehrpwm", "fck", &ehrpwm_clk), + CLK("ehrpwm", "tbclk", &ehrpwm_tbclk), + CLK("ecap", "fck", &ecap_clk), CLK(NULL, NULL, NULL), }; diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c index 6b7a0a27fbd1..fb8d8607f445 100644 --- a/arch/arm/mach-davinci/da8xx-dt.c +++ b/arch/arm/mach-davinci/da8xx-dt.c @@ -40,6 +40,13 @@ static void __init da8xx_init_irq(void) struct of_dev_auxdata da850_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL), OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "watchdog", NULL), + OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL), + OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm", NULL), + OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f02000, "ehrpwm", NULL), + OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap", NULL), + OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap", NULL), + OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap", NULL), + OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL), {} }; diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index fc50243b1481..cb97e07db284 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -664,7 +664,7 @@ static struct resource da8xx_mmcsd0_resources[] = { }; static struct platform_device da8xx_mmcsd0_device = { - .name = "davinci_mmc", + .name = "da830-mmc", .id = 0, .num_resources = ARRAY_SIZE(da8xx_mmcsd0_resources), .resource = da8xx_mmcsd0_resources, @@ -701,7 +701,7 @@ static struct resource da850_mmcsd1_resources[] = { }; static struct platform_device da850_mmcsd1_device = { - .name = "davinci_mmc", + .name = "da830-mmc", .id = 1, .num_resources = ARRAY_SIZE(da850_mmcsd1_resources), .resource = da850_mmcsd1_resources, diff --git a/arch/arm/mach-davinci/devices-tnetv107x.c b/arch/arm/mach-davinci/devices-tnetv107x.c index 773ab07a71a0..cfb194df18ed 100644 --- a/arch/arm/mach-davinci/devices-tnetv107x.c +++ b/arch/arm/mach-davinci/devices-tnetv107x.c @@ -218,7 +218,7 @@ static u64 mmc1_dma_mask = DMA_BIT_MASK(32); static struct platform_device mmc_devices[2] = { { - .name = "davinci_mmc", + .name = "dm6441-mmc", .id = 0, .dev = { .dma_mask = &mmc0_dma_mask, @@ -228,7 +228,7 @@ static struct platform_device mmc_devices[2] = { .resource = mmc0_resources }, { - .name = "davinci_mmc", + .name = "dm6441-mmc", .id = 1, .dev = { .dma_mask = &mmc1_dma_mask, diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 4c48a36ee567..f6927df2dda8 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -150,7 +150,7 @@ static struct resource mmcsd0_resources[] = { }; static struct platform_device davinci_mmcsd0_device = { - .name = "davinci_mmc", + .name = "dm6441-mmc", .id = 0, .dev = { .dma_mask = &mmcsd0_dma_mask, @@ -187,7 +187,7 @@ static struct resource mmcsd1_resources[] = { }; static struct platform_device davinci_mmcsd1_device = { - .name = "davinci_mmc", + .name = "dm6441-mmc", .id = 1, .dev = { .dma_mask = &mmcsd1_dma_mask, @@ -235,6 +235,7 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) mmcsd1_resources[0].end = DM365_MMCSD1_BASE + SZ_4K - 1; mmcsd1_resources[2].start = IRQ_DM365_SDIOINT1; + davinci_mmcsd1_device.name = "da830-mmc"; } else break; @@ -256,6 +257,7 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) mmcsd0_resources[0].end = DM365_MMCSD0_BASE + SZ_4K - 1; mmcsd0_resources[2].start = IRQ_DM365_SDIOINT0; + davinci_mmcsd0_device.name = "da830-mmc"; } else if (cpu_is_davinci_dm644x()) { /* REVISIT: should this be in board-init code? */ /* Power-on 3.3V IO cells */ diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index b49c3b77d55e..87e6104f45e6 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -361,8 +361,8 @@ static struct clk_lookup dm355_clks[] = { CLK("i2c_davinci.1", NULL, &i2c_clk), CLK("davinci-mcbsp.0", NULL, &asp0_clk), CLK("davinci-mcbsp.1", NULL, &asp1_clk), - CLK("davinci_mmc.0", NULL, &mmcsd0_clk), - CLK("davinci_mmc.1", NULL, &mmcsd1_clk), + CLK("dm6441-mmc.0", NULL, &mmcsd0_clk), + CLK("dm6441-mmc.1", NULL, &mmcsd1_clk), CLK("spi_davinci.0", NULL, &spi0_clk), CLK("spi_davinci.1", NULL, &spi1_clk), CLK("spi_davinci.2", NULL, &spi2_clk), diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 6c3980540be0..2791df9187b3 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -454,8 +454,8 @@ static struct clk_lookup dm365_clks[] = { CLK(NULL, "uart0", &uart0_clk), CLK(NULL, "uart1", &uart1_clk), CLK("i2c_davinci.1", NULL, &i2c_clk), - CLK("davinci_mmc.0", NULL, &mmcsd0_clk), - CLK("davinci_mmc.1", NULL, &mmcsd1_clk), + CLK("da830-mmc.0", NULL, &mmcsd0_clk), + CLK("da830-mmc.1", NULL, &mmcsd1_clk), CLK("spi_davinci.0", NULL, &spi0_clk), CLK("spi_davinci.1", NULL, &spi1_clk), CLK("spi_davinci.2", NULL, &spi2_clk), diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index db1dd92e00af..ab6bf54c65c7 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -310,7 +310,7 @@ static struct clk_lookup dm644x_clks[] = { CLK("i2c_davinci.1", NULL, &i2c_clk), CLK("palm_bk3710", NULL, &ide_clk), CLK("davinci-mcbsp", NULL, &asp_clk), - CLK("davinci_mmc.0", NULL, &mmcsd_clk), + CLK("dm6441-mmc.0", NULL, &mmcsd_clk), CLK(NULL, "spi", &spi_clk), CLK(NULL, "gpio", &gpio_clk), CLK(NULL, "usb", &usb_clk), diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index de439b7b9af1..be77ce269cb0 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -55,6 +55,7 @@ extern unsigned int da850_max_speed; #define DA8XX_SYSCFG0_VIRT(x) (da8xx_syscfg0_base + (x)) #define DA8XX_JTAG_ID_REG 0x18 #define DA8XX_CFGCHIP0_REG 0x17c +#define DA8XX_CFGCHIP1_REG 0x180 #define DA8XX_CFGCHIP2_REG 0x184 #define DA8XX_CFGCHIP3_REG 0x188 diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index 34290d14754b..b18b8ebc6508 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -24,8 +24,6 @@ #if defined(CONFIG_DEBUG_DAVINCI_DMx_UART0) #define UART_BASE DAVINCI_UART0_BASE -#elif defined(CONFIG_DEBUG_DAVINCI_DA8XX_UART0) -#define UART_BASE DA8XX_UART0_BASE #elif defined(CONFIG_DEBUG_DAVINCI_DA8XX_UART1) #define UART_BASE DA8XX_UART1_BASE #elif defined(CONFIG_DEBUG_DAVINCI_DA8XX_UART2) diff --git a/arch/arm/mach-davinci/tnetv107x.c b/arch/arm/mach-davinci/tnetv107x.c index dc1a209b9b66..3b2a70d43efa 100644 --- a/arch/arm/mach-davinci/tnetv107x.c +++ b/arch/arm/mach-davinci/tnetv107x.c @@ -272,7 +272,7 @@ static struct clk_lookup clks[] = { CLK("tnetv107x-keypad.0", NULL, &clk_keypad), CLK(NULL, "clk_gpio", &clk_gpio), CLK(NULL, "clk_mdio", &clk_mdio), - CLK("davinci_mmc.0", NULL, &clk_sdio0), + CLK("dm6441-mmc.0", NULL, &clk_sdio0), CLK(NULL, "uart0", &clk_uart0), CLK(NULL, "uart1", &clk_uart1), CLK(NULL, "timer0", &clk_timer0), @@ -292,7 +292,7 @@ static struct clk_lookup clks[] = { CLK(NULL, "clk_system", &clk_system), CLK(NULL, "clk_imcop", &clk_imcop), CLK(NULL, "clk_spare", &clk_spare), - CLK("davinci_mmc.1", NULL, &clk_sdio1), + CLK("dm6441-mmc.1", NULL, &clk_sdio1), CLK(NULL, "clk_ddr2_vrst", &clk_ddr2_vrst), CLK(NULL, "clk_ddr2_vctl_rst", &clk_ddr2_vctl_rst), CLK(NULL, NULL, NULL), diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 20636772c09b..f8a96d652e9e 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -34,6 +34,8 @@ #include <linux/dma-mapping.h> #include <linux/edma.h> #include <linux/mmc/mmc.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_data/mmc-davinci.h> @@ -522,14 +524,16 @@ static int __init davinci_acquire_dma_channels(struct mmc_davinci_host *host) dma_cap_set(DMA_SLAVE, mask); host->dma_tx = - dma_request_channel(mask, edma_filter_fn, &host->txdma); + dma_request_slave_channel_compat(mask, edma_filter_fn, + &host->txdma, mmc_dev(host->mmc), "tx"); if (!host->dma_tx) { dev_err(mmc_dev(host->mmc), "Can't get dma_tx channel\n"); return -ENODEV; } host->dma_rx = - dma_request_channel(mask, edma_filter_fn, &host->rxdma); + dma_request_slave_channel_compat(mask, edma_filter_fn, + &host->rxdma, mmc_dev(host->mmc), "rx"); if (!host->dma_rx) { dev_err(mmc_dev(host->mmc), "Can't get dma_rx channel\n"); r = -ENODEV; @@ -1157,16 +1161,86 @@ static void __init init_mmcsd_host(struct mmc_davinci_host *host) mmc_davinci_reset_ctrl(host, 0); } -static int __init davinci_mmcsd_probe(struct platform_device *pdev) +static struct platform_device_id davinci_mmc_devtype[] = { + { + .name = "dm6441-mmc", + .driver_data = MMC_CTLR_VERSION_1, + }, { + .name = "da830-mmc", + .driver_data = MMC_CTLR_VERSION_2, + }, + {}, +}; +MODULE_DEVICE_TABLE(platform, davinci_mmc_devtype); + +static const struct of_device_id davinci_mmc_dt_ids[] = { + { + .compatible = "ti,dm6441-mmc", + .data = &davinci_mmc_devtype[MMC_CTLR_VERSION_1], + }, + { + .compatible = "ti,da830-mmc", + .data = &davinci_mmc_devtype[MMC_CTLR_VERSION_2], + }, + {}, +}; +MODULE_DEVICE_TABLE(of, davinci_mmc_dt_ids); + +static struct davinci_mmc_config + *mmc_parse_pdata(struct platform_device *pdev) { + struct device_node *np; struct davinci_mmc_config *pdata = pdev->dev.platform_data; + const struct of_device_id *match = + of_match_device(of_match_ptr(davinci_mmc_dt_ids), &pdev->dev); + u32 data; + + np = pdev->dev.of_node; + if (!np) + return pdata; + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + dev_err(&pdev->dev, "Failed to allocate memory for struct davinci_mmc_config\n"); + goto nodata; + } + + if (match) + pdev->id_entry = match->data; + + if (of_property_read_u32(np, "max-frequency", &pdata->max_freq)) + dev_info(&pdev->dev, "'max-frequency' property not specified, defaulting to 25MHz\n"); + + of_property_read_u32(np, "bus-width", &data); + switch (data) { + case 1: + case 4: + case 8: + pdata->wires = data; + break; + default: + pdata->wires = 1; + dev_info(&pdev->dev, "Unsupported buswidth, defaulting to 1 bit\n"); + } +nodata: + return pdata; +} + +static int __init davinci_mmcsd_probe(struct platform_device *pdev) +{ + struct davinci_mmc_config *pdata = NULL; struct mmc_davinci_host *host = NULL; struct mmc_host *mmc = NULL; struct resource *r, *mem = NULL; int ret = 0, irq = 0; size_t mem_size; + const struct platform_device_id *id_entry; - /* REVISIT: when we're fully converted, fail if pdata is NULL */ + pdata = mmc_parse_pdata(pdev); + if (pdata == NULL) { + dev_err(&pdev->dev, "Couldn't get platform data\n"); + return -ENOENT; + } ret = -ENODEV; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1237,7 +1311,9 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev) if (pdata && (pdata->wires == 8)) mmc->caps |= (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA); - host->version = pdata->version; + id_entry = platform_get_device_id(pdev); + if (id_entry) + host->version = id_entry->driver_data; mmc->ops = &mmc_davinci_ops; mmc->f_min = 312500; @@ -1406,8 +1482,10 @@ static struct platform_driver davinci_mmcsd_driver = { .name = "davinci_mmc", .owner = THIS_MODULE, .pm = davinci_mmcsd_pm_ops, + .of_match_table = of_match_ptr(davinci_mmc_dt_ids), }, .remove = __exit_p(davinci_mmcsd_remove), + .id_table = davinci_mmc_devtype, }; static int __init davinci_mmcsd_init(void) diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 8234d2259722..2e8f24a1fb95 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -776,10 +776,10 @@ rx_dma_failed: #if defined(CONFIG_OF) static const struct of_device_id davinci_spi_of_match[] = { { - .compatible = "ti,dm644x-spi", + .compatible = "ti,dm6441-spi", }, { - .compatible = "ti,da8xx-spi", + .compatible = "ti,da830-spi", .data = (void *)SPI_VERSION_2, }, { }, diff --git a/include/linux/platform_data/mmc-davinci.h b/include/linux/platform_data/mmc-davinci.h index 5ba6b22ce338..9cea4ee377b5 100644 --- a/include/linux/platform_data/mmc-davinci.h +++ b/include/linux/platform_data/mmc-davinci.h @@ -23,9 +23,6 @@ struct davinci_mmc_config { /* any additional host capabilities: OR'd in to mmc->f_caps */ u32 caps; - /* Version of the MMC/SD controller */ - u8 version; - /* Number of sg segments */ u8 nr_sg; }; |