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2013-04-04ARM: tegra: add non-removable and keep-power-in-suspend property for MMCJoseph Lo
This patch adds "non-removable" property of MMC host where the eMMC device is for Tegra platform. And the "keep-power-in-suspend" property was used for the SDIO device that need this to go into suspend mode (e.g. BRCM43xx series). Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: whistler: add wakeup source for KBCJoseph Lo
Adding KBC as a wakeup source for Whistler board. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add power gpio keys to DTJoseph Lo
This adds the power gpio key to DT and enable the wakeup of the gpio key for the device. The Seaboard and paz00 already had the power gpio key binding and the power key of Whistler was on KBC. So these boards' device tree didn't include in this patch. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: keep power on to SD slot on DalmoreStephen Warren
Set "regulator-always-on" for the SD slot on Dalmore, so that SD cards work. This used to work, since this regulator is on by default, but was broken by commit "ARM: tegra: dalmore: add TPS65090 node", since that didn't specify always-on for this regulator. In the long run, the regulators should all be hooked up to the SDHCI device nodes. However, we haven't done that for any of the Tegra boards yet, so to be consistent, this patch simply forces the regulator on, rather than hooking it up and making it work differently to other boards. Reported-by: Rhyland Klein <rklein@nvidia.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add clocks property to AC'97 sound nodesStephen Warren
Audio-related clocks need to be represented in the device tree. Update bindings to describe which clocks are needed, and DT files to include those clocks. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add clocks property to sound nodesStephen Warren
Audio-related clocks need to be represented in the device tree. Update bindings to describe which clocks are needed, and DT files to include those clocks. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: dalmore: add fixed regulator nodeLaxman Dewangan
NVIDIA's Tegra114 reference platform Dalmore has voltage switch regulators which are controlled by the Tegra GPIOs. Add DT node for fixed regulators. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: dalmore: add TPS65090 nodeLaxman Dewangan
NVIDIA's Tegra114 reference platform, Dalmore, uses the TPS65090 as secondary PMICs which is mainly act as voltage switch regulator controlled by i2c communication. Add DT node for TPS65090. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [swarren: remove unit-address from node name since it's unique already] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: dalmore: add cpu regulator nodeLaxman Dewangan
Dalmore uses the TPS51632 as CPU regulator. The device is connected on I2C5. Add DT node for TPS51632. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: Add sbs-battery node to DalmoreRhyland Klein
This patch adds the node for the bq20z45 I2C gas gauge which is compatible with the sbs-battery power supply driver. Signed-off-by: Rhyland Klein <rklein@nvidia.com> [swarren: remove unit-address from node name since it's unique already] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add DT binding for i2c-tegraLaxman Dewangan
Add documentation for device tree binding of NVIDIA's Tegra I2C controller driver. Describing all compatible values used for different Tegra SoCs in details in this documentation. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [swarren: fixed a couple typos, trimmed examples] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add SPI nodes to Tegra114 DTLaxman Dewangan
NVIDIA's Tegra114 has 6 SPI controllers. These controllers are redesign on T114 with different register interface. Add DT entry for spi controllers and make it compatible with "nvidia,tegra114-spi", since they are a new incompatible design. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [swarren: fixed reg property for 3rd SPI controller] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add KBC nodes to Tegra114 DTLaxman Dewangan
NVIDIA's Tegra114 SoCs have the matrix keyboard controller which supports 11x8 type of matrix. The number of rows and columns are configurable. Add DT entry for KBC controller with compatibility as "nvidia,tegra114-kbc". Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add aliases and DMA requestor for serial nodes of Tegra114Laxman Dewangan
Add APB DMA requestor and serial aliases for serial controller. There are two serial drivers i.e. 8250 based simple serial driver and APB DMA based serial driver for higher baudrate and performace. The simple serial driver is selected by compatible value "nvidia,tegra114-uart", "nvidia,tegra20-uart", and the APB DMA based driver is selected by compatible value "nvidia,tegra114-hsuart", "nvidia,tegra30-hsuart". Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add I2C nodes to Tegra114 DTLaxman Dewangan
NVIDIA's Tegra114 has 5 I2C controllers. These controllers have the following changes which makes incompatible with previous hardware: - Single clock source to I2C controller. - Interrupt support for per packet transfer. Add DT entry for I2C controllers and make it compatible with "nvidia,tegra114-i2c". Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [swarren: fixed location of status property for consistency] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add APB DMA nodes to Tegra114 DTLaxman Dewangan
NVIDIA's Tegra114 has 32 channels APB DMA controller. Add DT entry for APB DMA controllers and make it compatible with "nvidia,tegra114-apbdma". Tegra114 DMA controller is not compatible with Tegra30/Tegra20 DMA controller driver as in Tegra114, the global pause also clock gate the DMA register and hence it iw not possible to write the DMA register with global pause. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [swarren: fixed DT node order] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add PWM nodes to Tegra114 DTAndrew Chew
This patch adds a device tree node for the four PWM controllers present on Tegra114. Signed-off-by: Andrew Chew <achew@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: fix the status of PWM DT nodesAndrew Chew
We should be defining the PWM nodes with status as "disabled" in the chip-specific dtsi file, since we don't know whether specific boards will use the PWM or not. This patch fixes the PWM node status for Tegra20 and Tegra30. Also fixed the one user of PWM, which is the Tegra20 medcom-wide board, so that PWM is set to "okay" in the board-specific dts file. Signed-off-by: Andrew Chew <achew@nvidia.com> [swarren: in medcom-wide: fixed node sort order, removed duplicate pwm: label, fixed syntax error] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add SDHCI support for DalmoreRhyland Klein
Dalmore has a built-in eMMC device and a user-accessible SD card slot. Add device tree nodes to enable these. Based on changes by: Pritesh Raithatha <praithatha@nvidia.com> Signed-off-by: Rhyland Klein <rklein@nvidia.com> [swarren: added commit description, fixed DT node sort order] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add SDHCI nodes with common propertiesPritesh Raithatha
This patch adds in the SDHCI nodes for the busses supported on Tegra114 boards. Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com> [Rhyland added clk refs to & reordered sdhci nodes and removed spaces] Signed-off-by: Rhyland Klein <rklein@nvidia.com> [swarren: fixed DT node sort order] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: add default pinctrl nodes for DalmorePritesh Raithatha
This change adds the default pinctrl nodes for the Dalmore Tegra114 platform. Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com> [Rhyland added patch description] Signed-off-by: Rhyland Klein <rklein@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> [swarren: fixed DT node sort order] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: fix sort order of USB PHY nodesStephen Warren
The USB PHY nodes are all grouped together rather than being sorted based on reg address like all other nodes fix this. I apologize for the churn; I should have noticed this during review of the patches that caused this. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: device tree whitespace cleanupStephen Warren
Remove white-space from empty line; triggers checkpatch. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: fix enum tegra114_clk to match bindingStephen Warren
A gap exists in the binding's clock ID definitions. Fix the clock driver to be consistent. This allows pclk to be looked up through device tree and prevents: ERROR: could not get clock /pmc:pclk(0) Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Remove forced clk_enable of uartdPeter De Schrijver
The UART driver enables the console uart clock, so we don't need to do that anymore in this file. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: dt: Add references to tegra_car clocksPeter De Schrijver
Add references to tegra_car clocks for the basic device nodes. Also remove the clock-frequency property of the serial node as the UART driver can now use the clock framework to obtain the frequency. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: devicetree match for nvidia,tegra114-carPeter De Schrijver
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Implement clocks for Tegra114Peter De Schrijver
Implement clocks for Tegra114. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04ARM: tegra: Define Tegra114 CAR bindingPeter De Schrijver
The device tree binding models Tegra114 CAR (Clock And Reset) as a single monolithic clock provider. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Workaround for Tegra114 MSENC problemPeter De Schrijver
Workaround a hardware bug in MSENC during clock enable. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Add flags to tegra_clk_periph()Peter De Schrijver
We will need some tegra peripheral clocks with the CLK_IGNORE_UNUSED flag, most notably mselect, which is a bridge between AXI and most peripherals. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Add new fields and PLL types for Tegra114Peter De Schrijver
Tegra114 introduces new PLL types. This requires new clocktypes as well as some new fields in the pll structure. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: move from a lock bit idx to a lock maskPeter De Schrijver
PLLC2 and PLLC3 on Tegra114 have separate phaselock and frequencylock bits. So switch to a lock mask to be able to test both at the same time. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Add PLL post divider tablePeter De Schrijver
Some PLLs in Tegra114 don't use a power of 2 mapping for the post divider. Introduce a table based approach and switch PLLU to it. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: introduce TEGRA_PLL_HAS_LOCK_ENABLEPeter De Schrijver
Tegra114 PLLC2 and PLLC3 don't have a lock enable bit. The lock bits are always functional. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Add TEGRA_PLL_BYPASS flagPeter De Schrijver
Not all PLLs in Tegra114 have a bypass bit. Adapt the common code to only use this bit when available. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Refactor PLL programming codePeter De Schrijver
Refactor the PLL programming code to make it useable by the new PLL types introduced by Tegra114. The following changes were done: * Split programming the PLL into updating m,n,p and updating cpcon * Move locking from _update_pll_cpcon() to clk_pll_set_rate() * Introduce _get_pll_mnp() helper * Move check for identical m,n,p values to clk_pll_set_rate() * struct tegra_clk_pll_freq_table will always contain the values as defined by the hardware. * Simplify the arguments to clk_pll_wait_for_lock() * Split _tegra_clk_register_pll() Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: provide dummy cpu car opsPeter De Schrijver
tegra_boot_secondary() relies on some of the car ops. This means having an uninitialized tegra_cpu_car_ops will lead to an early boot panic. Providing a dummy struct avoids this and makes adding Tegra114 clock support in a bisectable way a lot easier. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: defer application of init tableStephen Warren
The Tegra clock driver is initialized during the ARM machine descriptor's .init_irq() hook. It can't be initialized earlier, since dynamic memory usage is required. It can't be initialized later, since the .init_timer() hook needs the clocks initialized. However, at this time, udelay() doesn't work. The Tegra clock initialization table may enable some PLLs. Enabling a PLL may require usage of udelay(). Hence, this can't happen right when the clock driver is initialized. To solve this, separate the clock driver initialization from the clock table processing, so they can execute at separate times. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Fix cdev1 and cdev2 IDsPrashant Gaikwad
Correct IDs for cdev1 and cdev2 are 94 and 93 respectively. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: split into separate driver and device-tree patches] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Make gr2d and gr3d clocks children of pll_cThierry Reding
By default these clocks are children of pll_m, but in downstream kernels they are reparented to pll_c. While at it, decrease their frequencies to 300 MHz because the defaults aren't in the specified range. gr2d can reportedly run at much higher frequencies, but 300 MHz works and is a more conservative default. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Mike Turquette <mturquette@linaro.org> Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Export peripheral reset functionsThierry Reding
The tegra_periph_reset_assert() and tegra_periph_reset_deassert() functions can be used by drivers to reset peripherals. In order to allow such drivers to be built as modules, export the functions. Note that this restores the status quo as the functions were exported before the move to the drivers/clk tree. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04clk: tegra: Fix periph_clk_to_bit macroYen Lin
The parameter name should be "gate", not "periph". This worked, however, because it happens that everywhere periph_clk_to_bit is called, "gate" was in the local scope. Signed-off-by: Yen Lin <yelin@nvidia.com> Signed-off-by: Andrew Chew <achew@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04Merge remote-tracking branch 'linaro_mturquette_linux/clk-for-3.10' into ↵Stephen Warren
for-3.10/clk
2013-04-04Merge branch 'for-3.10/soc' into for-3.10/clkStephen Warren
2013-04-03ARM: tegra: cpuidle: remove redundant parameters for powered-down modeJoseph Lo
After the patch series for system suspending support, tegra_idle_lp2_last() no longer uses its parameters cpu_on_time or cpu_off_time, so remove them. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03ARM: tegra: pm: add platform suspend supportJoseph Lo
Adding suspend to RAM support for Tegra platform. There are three suspend mode for Tegra. The difference were below. * LP2: CPU voltage off * LP1: CPU voltage off, DRAM in self-refresh * LP0: CPU + Core voltage off, DRAM in self-refresh After this patch, the LP2 suspend mode will be supported. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03ARM: dt: tegra: add bindings of power management configurations for PMCJoseph Lo
The PMC mostly controls the entry and exit of the system from different sleep modes. Different platform or system may have different configurations. The power management configurations of PMC is represented as some properties. The system needs to define the properties when the system supports deep sleep mode (i.e. suspend). Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: devicetree-discuss@lists.ozlabs.org Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03ARM: tegra: irq: add wake up handlingJoseph Lo
Add the wake up handling for legacy irq controller, and using IRQCHIP_MASK_ON_SUSPEND for wake irq handling. Based on the work by: Varun Wadekar <vwadekar@nvidia.com> Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03gpio: tegra: add gpio wakeup source handlingJoseph Lo
This patch add the gpio wakeup source handling for the Tegra platform. It was be done by enabling the irq for the gpio in the gpio controller and enabling the bank irq of the gpio in the Tegra legacy irq controller when the system going to suspend. Based on the work by: Varun Wadekar <vwadekar@nvidia.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Joseph Lo <josephl@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>