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    • Christophe Leroy's avatar
      powerpc/8xx: Adding support of IRQ in MPC8xx GPIO · 726bd223
      Christophe Leroy authored
      
      
      This patch allows the use of IRQ to notify the change of GPIO status
      on MPC8xx CPM IO ports. This then allows to associate IRQs to GPIOs
      in the Device Tree.
      
      Ex:
      	CPM1_PIO_C: gpio-controller@960 {
      		#gpio-cells = <2>;
      		compatible = "fsl,cpm1-pario-bank-c";
      		reg = <0x960 0x10>;
      		fsl,cpm1-gpio-irq-mask = <0x0fff>;
      		interrupts = <1 2 6 9 10 11 14 15 23 24 26 31>;
      		interrupt-parent = <&CPM_PIC>;
      		gpio-controller;
      	};
      
      The property 'fsl,cpm1-gpio-irq-mask' defines which of the 16 GPIOs
      have the associated interrupts defined in the 'interrupts' property.
      Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
      Signed-off-by: default avatarScott Wood <oss@buserror.net>
      726bd223
  10. 02 May, 2017 1 commit
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