From 17bbb7b06b5230e71e0a23f69de189fb74f6d5fa Mon Sep 17 00:00:00 2001 From: Feng Zhang Date: Mon, 25 Dec 2023 11:40:56 +0800 Subject: [PATCH 1/2] radxa cm3 io: Fix backlight can not be turned off Signed-off-by: Feng Zhang --- .../radxa-cm3-io-radxa-display-8hd.dts | 69 ++++++++++--------- 1 file changed, 36 insertions(+), 33 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts b/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts index e11f53f6..7298ebed 100644 --- a/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts +++ b/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts @@ -55,40 +55,43 @@ compatible = "pwm-backlight"; pinctrl-names = "default"; pinctrl-0 = <&dsi1_backlight_en>; - pwms = <&pwm2 0 25000 0>; + pwms = <&pwm2 0 25000 1>; + enable-gpios = <&gpio3 RK_PD7 0>; + post-pwm-on-delay-ms = <10>; + pwm-off-delay-ms = <10>; brightness-levels = < - 255 254 253 252 251 250 249 248 - 247 246 245 244 243 242 241 240 - 239 238 237 236 235 234 233 232 - 231 230 229 228 227 226 225 224 - 223 222 221 220 219 218 217 216 - 215 214 213 212 211 210 209 208 - 207 206 205 204 203 202 201 200 - 199 198 197 196 195 194 193 192 - 191 190 189 188 187 186 185 184 - 183 182 181 180 179 178 177 176 - 175 174 173 172 171 170 169 168 - 167 166 165 164 163 162 161 160 - 159 158 157 156 155 154 153 152 - 151 150 149 148 147 146 145 144 - 143 142 141 140 139 138 137 136 - 135 134 133 132 131 130 129 128 - 127 126 125 124 123 122 121 120 - 119 118 117 116 115 114 113 112 - 111 110 109 108 107 106 105 104 - 103 102 101 100 99 98 97 96 - 95 94 93 92 91 90 89 88 - 87 86 85 84 83 82 81 80 - 79 78 77 76 75 74 73 72 - 71 70 69 68 67 66 65 64 - 63 62 61 60 59 58 57 56 - 55 54 53 52 51 50 49 48 - 47 46 45 44 43 42 41 40 - 39 38 38 37 37 36 36 35 - 35 34 34 33 33 32 32 31 - 31 30 30 29 29 28 28 27 - 27 26 26 25 25 24 24 23 - 23 22 22 21 21 20 20 0 + 0 20 20 21 21 22 22 23 + 23 24 24 25 25 26 26 27 + 27 28 28 29 29 30 30 31 + 31 32 32 33 33 34 34 35 + 35 36 36 37 37 38 38 39 + 40 41 42 43 44 45 46 47 + 48 49 50 51 52 53 54 55 + 56 57 58 59 60 61 62 63 + 64 65 66 67 68 69 70 71 + 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 + 88 89 90 91 92 93 94 95 + 96 97 98 99 100 101 102 103 + 104 105 106 107 108 109 110 111 + 112 113 114 115 116 117 118 119 + 120 121 122 123 124 125 126 127 + 128 129 130 131 132 133 134 135 + 136 137 138 139 140 141 142 143 + 144 145 146 147 148 149 150 151 + 152 153 154 155 156 157 158 159 + 160 161 162 163 164 165 166 167 + 168 169 170 171 172 173 174 175 + 176 177 178 179 180 181 182 183 + 184 185 186 187 188 189 190 191 + 192 193 194 195 196 197 198 199 + 200 201 202 203 204 205 206 207 + 208 209 210 211 212 213 214 215 + 216 217 218 219 220 221 222 223 + 224 225 226 227 228 229 230 231 + 232 233 234 235 236 237 238 239 + 240 241 242 243 244 245 246 247 + 248 249 250 251 252 253 254 255 >; default-brightness-level = <200>; }; From ee358a48ac1b12bbd4de81af2a69e1db9235faca Mon Sep 17 00:00:00 2001 From: Feng Zhang Date: Mon, 25 Dec 2023 15:59:21 +0800 Subject: [PATCH 2/2] update radxa cm3 io radxa display 8hd overlay Signed-off-by: Feng Zhang --- .../dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts b/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts index 7298ebed..37621b1d 100644 --- a/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts +++ b/arch/arm64/boot/dts/rockchip/overlays/radxa-cm3-io-radxa-display-8hd.dts @@ -5,6 +5,7 @@ #include #include #include +#include / { metadata { @@ -55,7 +56,7 @@ compatible = "pwm-backlight"; pinctrl-names = "default"; pinctrl-0 = <&dsi1_backlight_en>; - pwms = <&pwm2 0 25000 1>; + pwms = <&pwm2 0 25000 PWM_POLARITY_INVERTED>; enable-gpios = <&gpio3 RK_PD7 0>; post-pwm-on-delay-ms = <10>; pwm-off-delay-ms = <10>;