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authorFrank Li <Frank.Li@nxp.com>2024-04-02 01:25:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-04-17 12:23:38 +0300
commit40b50cb4bc008397d062a0bacef37699e16f7aaf (patch)
tree3c64c535fa1ec99f5cb957380a292387bf3c7141
parentea044f32ee5a01ba87c22a22bbe440b728ec888f (diff)
downloadlinux-40b50cb4bc008397d062a0bacef37699e16f7aaf.tar.xz
arm64: dts: imx8-ss-dma: fix pwm lpcg indices
commit 9055d87bce7276234173fa90e9702af31b3f5353 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index 67970e2cd87d..c665e396dddc 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -144,8 +144,8 @@ dma_subsys: bus@5a000000 {
compatible = "fsl,imx8qxp-pwm", "fsl,imx27-pwm";
reg = <0x5a190000 0x1000>;
interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&adma_pwm_lpcg 1>,
- <&adma_pwm_lpcg 0>;
+ clocks = <&adma_pwm_lpcg IMX_LPCG_CLK_4>,
+ <&adma_pwm_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX_SC_R_LCD_0_PWM_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;