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adma_pwm_lpcg: clock-controller@5a590000 {
... col1 col2
clocks = <&clk IMX_SC_R_LCD_0_PWM_0 IMX_SC_PM_CLK_PER>,// 0 0
<&dma_ipg_clk>; // 1 4
clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
...
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
adma_pwm: pwm@5a190000 {
...
clocks = <&adma_pwm_lpcg 1>, <&adma_pwm_lpcg 0>;
^^ ^^
Should be
clocks = <&adma_pwm_lpcg IMX_LPCG_CLK_4>,
<&adma_pwm_lpcg IMX_LPCG_CLK_0>;
};
Arg0 will be divided by 4 in lcpg driver, so pwm will get IMX_SC_PM_CLK_PER
by <&adma_pwm_lpcg 1>, <&adma_pwm_lpcg 0>. Although function can work, code
logic is wrong. Fix it by use correct indices.
Cc: stable@vger.kernel.org
Fixes: f1d6a6b991ef ("arm64: dts: imx8qxp: add adma_pwm in adma")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
9055d87bce