drivers: clk: stm32: fix stm32mp13 clock gates initialization

Correct STM32MP13 clock gates initialization regarding the enable
reference counting. The fixed commit introduced side effect where
cloc

drivers: clk: stm32: fix stm32mp13 clock gates initialization

Correct STM32MP13 clock gates initialization regarding the enable
reference counting. The fixed commit introduced side effect where
clock gates with a disable init state overflow the gate refcount to -1
and clock gates with a enable init state take a refcount that is never
released.

For this purpose, add stm32_gate_set_init_state() function in
stm32 clock core driver for STM32MP13 gate clocks initialization
expects to set some clock gate hardware state (enabled or disabled)
before any refcount is considered.

Fixes: 2b028a2ba197 ("clk: implement multi-gate management at core level")
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Reviewed-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Acked-by: Gatien Chevallier <gatien.chevallier@foss.st.com>

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drivers: clk: clk-stm32mp13: fix memory corruption on oscillator parent

Fix oscillators struct clk instances for STM32MP13 clock driver. These
clocks have 1 parent that is set during driver initiali

drivers: clk: clk-stm32mp13: fix memory corruption on oscillator parent

Fix oscillators struct clk instances for STM32MP13 clock driver. These
clocks have 1 parent that is set during driver initialization, based on
device tree content, whereas referred bugged commit defined 0 parents
and did not allocate memory for the parent reference.

Fixes: 95f2142bf848 ("drivers: clk: clk-stm32mp13: don't gate/ungate oscillators not wired")
Tested-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com>
Acked-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com>
Acked-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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drivers: clk: get stm32mp13 PLL output clock duty cycle

Implement get_duty_cycle clock operation for STM32MP13 PLL output clocks.

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Sign

drivers: clk: get stm32mp13 PLL output clock duty cycle

Implement get_duty_cycle clock operation for STM32MP13 PLL output clocks.

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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drivers: clk: set stm32mp13 clock flags

On STM32MP13 SoC, setting PLL1P, PLL1P_DIV, MPU, AXI and MLAHB clocks
rate must be handled from their respective parent clock. Set flag
CLK_SET_RATE_PARENT fo

drivers: clk: set stm32mp13 clock flags

On STM32MP13 SoC, setting PLL1P, PLL1P_DIV, MPU, AXI and MLAHB clocks
rate must be handled from their respective parent clock. Set flag
CLK_SET_RATE_PARENT for these clocks.

On STM32MP13 SoC, MPU, AXI and MLAHB clocks are internal bus clocks
that must not be disabled even when we re-parent them. Set flag
CLK_SET_PARENT_PRE_ENABLE for these clocks.

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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drivers: clk: clk-stm32mp13: round up VCO to the nearest frequency

Round up the vco clock to avoid unexpected clock rate:
- 999,999,023 Hz instead 1,000,000,000 Hz
- 417,755,859 Hz instead 417,800,0

drivers: clk: clk-stm32mp13: round up VCO to the nearest frequency

Round up the vco clock to avoid unexpected clock rate:
- 999,999,023 Hz instead 1,000,000,000 Hz
- 417,755,859 Hz instead 417,800,000 Hz

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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drivers: clk: clk-stm32mp13: don't gate/ungate oscillators not wired

If an oscillator is not wired we shouldn't gate it to avoid a panic.
For example the external LSE oscillator may not be supported

drivers: clk: clk-stm32mp13: don't gate/ungate oscillators not wired

If an oscillator is not wired we shouldn't gate it to avoid a panic.
For example the external LSE oscillator may not be supported on a board
in which case node named clk-lse is disabled in the board DTS file.

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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drivers: clk: clk-stm32mp13: add ADC and SPI clocks

Add definition of ADCs and SPI buses clocks for platform variant
STM32MP13.

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed

drivers: clk: clk-stm32mp13: add ADC and SPI clocks

Add definition of ADCs and SPI buses clocks for platform variant
STM32MP13.

Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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drivers: clk: fix indentation in stm32mp13 clock driver

Fix indentation issues in STM32MP13 clock driver.

Fixes: 5436921f6866 ("clk: stm32mp13: add all clocks for STM32MP13")
Reviewed-by: Gatien Ch

drivers: clk: fix indentation in stm32mp13 clock driver

Fix indentation issues in STM32MP13 clock driver.

Fixes: 5436921f6866 ("clk: stm32mp13: add all clocks for STM32MP13")
Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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drivers: clk: fix some stm32mp13 clock controls

Correct control field definitions for some STM32MP13 clock.

Fixes: 5436921f6866 ("clk: stm32mp13: add all clocks for STM32MP13")
Reviewed-by: Gatien

drivers: clk: fix some stm32mp13 clock controls

Correct control field definitions for some STM32MP13 clock.

Fixes: 5436921f6866 ("clk: stm32mp13: add all clocks for STM32MP13")
Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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drivers: clk: fix stm32mp13 RNG1 parent clock

Correct RNG1 clock parent list as LSE is not part of according to the
STM32MP13xx reference manual.

Fixes: 5436921f6866 ("clk: stm32mp13: add all clock

drivers: clk: fix stm32mp13 RNG1 parent clock

Correct RNG1 clock parent list as LSE is not part of according to the
STM32MP13xx reference manual.

Fixes: 5436921f6866 ("clk: stm32mp13: add all clocks for STM32MP13")
Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: replace _fdt_ prefix with fdt_ for device tree API

As per upstream discussion, there is no reason to keep _fdt_ prefix.
Replaces it with fdt_ for all occurrences.

Signed-off-by: Gatien Cheval

core: replace _fdt_ prefix with fdt_ for device tree API

As per upstream discussion, there is no reason to keep _fdt_ prefix.
Replaces it with fdt_ for all occurrences.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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drivers: clk: clk-stm32mp13: add ck_mlahb to critical clocks

This clock must remain enabled as long as the platform is running.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Sign

drivers: clk: clk-stm32mp13: add ck_mlahb to critical clocks

This clock must remain enabled as long as the platform is running.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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clk: stm32mp13: add all clocks for STM32MP13

Registers all STM32PM13 clock with the clock framework.

Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Gabriel Fernandez <gabri

clk: stm32mp13: add all clocks for STM32MP13

Registers all STM32PM13 clock with the clock framework.

Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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clk: stm32mp13: Introduce STM32MP13 clocks platform

This driver uses a clk-stm32-core API to manage STM32 gates, dividers
and muxes.
The goal of this first patch is to parse the device tree and init

clk: stm32mp13: Introduce STM32MP13 clocks platform

This driver uses a clk-stm32-core API to manage STM32 gates, dividers
and muxes.
The goal of this first patch is to parse the device tree and initialize
a platform data to configure the clock tree.

Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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