Sekhar Nori <[email protected]> writes:
> This patch adds support for using the TPS65070 PMIC found
> on the DA850/OMAP-L138 EVM.
>
> It defines the power rail consumer mapping and registers the
> the I2C based PMIC as a board device.
>
> The power rail constraints are derived from the maxmimum and
> minimum recommended operating condition values of the respective
> consumers derived from section 5.2 of the OMAP-L138 datasheet.
>
> Signed-off-by: Sekhar Nori <[email protected]>
Looks good, pushing today.
Do you also want to send a patch to the default defconfig which
enables CONFIG_REGULATOR and CONFIG_REGULATOR_TPS6507X?
It could also enable some default CPUfreq options which would just be
ignored on platforms that dont register for cpufreq (like da830.)
For starters, I'd recommend enabling the userspace governor as default
so that by default no DVFS is done until someone changes the governor.
Kevin
> ---
> arch/arm/mach-davinci/board-da850-evm.c | 153
> +++++++++++++++++++++++++++++++
> 1 files changed, 153 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/board-da850-evm.c
> b/arch/arm/mach-davinci/board-da850-evm.c
> index 16c8cce..a34df64 100644
> --- a/arch/arm/mach-davinci/board-da850-evm.c
> +++ b/arch/arm/mach-davinci/board-da850-evm.c
> @@ -23,6 +23,7 @@
> #include <linux/mtd/nand.h>
> #include <linux/mtd/partitions.h>
> #include <linux/mtd/physmap.h>
> +#include <linux/regulator/machine.h>
>
> #include <asm/mach-types.h>
> #include <asm/mach/arch.h>
> @@ -251,6 +252,153 @@ static void __init da850_evm_init_nor(void)
> iounmap(aemif_addr);
> }
>
> +/* TPS65070 voltage regulator support */
> +
> +/* 3.3V */
> +struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
> + {
> + .supply = "usb0_vdda33",
> + },
> + {
> + .supply = "usb1_vdda33",
> + },
> +};
> +
> +/* 3.3V or 1.8V */
> +struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
> + {
> + .supply = "dvdd3318_a",
> + },
> + {
> + .supply = "dvdd3318_b",
> + },
> + {
> + .supply = "dvdd3318_c",
> + },
> +};
> +
> +/* 1.2V */
> +struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
> + {
> + .supply = "cvdd",
> + },
> +};
> +
> +/* 1.8V LDO */
> +struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
> + {
> + .supply = "sata_vddr",
> + },
> + {
> + .supply = "usb0_vdda18",
> + },
> + {
> + .supply = "usb1_vdda18",
> + },
> + {
> + .supply = "ddr_dvdd18",
> + },
> +};
> +
> +/* 1.2V LDO */
> +struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
> + {
> + .supply = "sata_vdd",
> + },
> + {
> + .supply = "pll0_vdda",
> + },
> + {
> + .supply = "pll1_vdda",
> + },
> + {
> + .supply = "usbs_cvdd",
> + },
> + {
> + .supply = "vddarnwa1",
> + },
> +};
> +
> +struct regulator_init_data tps65070_regulator_data[] = {
> + /* dcdc1 */
> + {
> + .constraints = {
> + .min_uV = 3150000,
> + .max_uV = 3450000,
> + .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
> + REGULATOR_CHANGE_STATUS),
> + .boot_on = 1,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
> + .consumer_supplies = tps65070_dcdc1_consumers,
> + },
> +
> + /* dcdc2 */
> + {
> + .constraints = {
> + .min_uV = 1710000,
> + .max_uV = 3450000,
> + .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
> + REGULATOR_CHANGE_STATUS),
> + .boot_on = 1,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
> + .consumer_supplies = tps65070_dcdc2_consumers,
> + },
> +
> + /* dcdc3 */
> + {
> + .constraints = {
> + .min_uV = 950000,
> + .max_uV = 1320000,
> + .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
> + REGULATOR_CHANGE_STATUS),
> + .boot_on = 1,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
> + .consumer_supplies = tps65070_dcdc3_consumers,
> + },
> +
> + /* ldo1 */
> + {
> + .constraints = {
> + .min_uV = 1710000,
> + .max_uV = 1890000,
> + .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
> + REGULATOR_CHANGE_STATUS),
> + .boot_on = 1,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
> + .consumer_supplies = tps65070_ldo1_consumers,
> + },
> +
> + /* ldo2 */
> + {
> + .constraints = {
> + .min_uV = 1140000,
> + .max_uV = 1320000,
> + .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
> + REGULATOR_CHANGE_STATUS),
> + .boot_on = 1,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
> + .consumer_supplies = tps65070_ldo2_consumers,
> + },
> +};
> +
> +static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
> + {
> + I2C_BOARD_INFO("tps6507x", 0x48),
> + .platform_data = &tps65070_regulator_data[0],
> + },
> +};
> +
> +static int __init pmic_tps65070_init(void)
> +{
> + return i2c_register_board_info(1, da850evm_tps65070_info,
> + ARRAY_SIZE(da850evm_tps65070_info));
> +}
> +
> #if defined(CONFIG_MTD_PHYSMAP) || \
> defined(CONFIG_MTD_PHYSMAP_MODULE)
> #define HAS_NOR 1
> @@ -275,6 +423,11 @@ static __init void da850_evm_init(void)
> struct davinci_soc_info *soc_info = &davinci_soc_info;
> int ret;
>
> + ret = pmic_tps65070_init();
> + if (ret)
> + pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
> + ret);
> +
> ret = da8xx_pinmux_setup(da850_nand_pins);
> if (ret)
> pr_warning("da850_evm_init: nand mux setup failed: %d\n",
> --
> 1.6.2.4
>
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