ARM64: firefly: Add rk3399-firefly board support

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-rockchip / rockchip.c

diff --git a/arch/arm/mach-rockchip/rockchip.c b/arch/arm/mach-rockchip/rockchip.c
index 251c7b9c5f9b6c15ffdab39475d6b7764e9c2fc0..7fbecd0f2d3da6dc8df6b8665a1b24598a251063 100644 (file)
--- a/arch/arm/mach-rockchip/rockchip.c
+++ b/arch/arm/mach-rockchip/rockchip.c
@@ -30,6 +30,7 @@
 #include "pm.h"
 
 #define RK3288_GRF_SOC_CON0 0x244
+#define RK3288_GRF_SOC_CON2 0x24C
 #define RK3288_TIMER6_7_PHYS 0xff810000
 
 static void __init rockchip_timer_init(void)
@@ -60,10 +61,14 @@ static void __init rockchip_timer_init(void)
                 * with the mmc controllers making them unreliable
                 */
                grf = syscon_regmap_lookup_by_compatible("rockchip,rk3288-grf");
-               if (!IS_ERR(grf))
+               if (!IS_ERR(grf)) {
                        regmap_write(grf, RK3288_GRF_SOC_CON0, 0x10000000);
-               else
+
+                       /* Set pwm_sel to RK design PWM; affects all PWMs */
+                       regmap_write(grf, RK3288_GRF_SOC_CON2, 0x00010001);
+               } else {
                        pr_err("rockchip: could not get grf syscon\n");
+                }
        }
 
        of_clk_init(NULL);