90 lines
2.2 KiB
Diff
90 lines
2.2 KiB
Diff
From ec5ba9f43454a7d630e25c062718b4daa836fdf8 Mon Sep 17 00:00:00 2001
|
|
From: Urja Rannikko <urjaman@gmail.com>
|
|
Date: Mon, 27 Aug 2018 19:03:49 +0000
|
|
Subject: [PATCH] dts: rk3288-veyron-chromebook: dedicate npll to VOP0/HDMI +
|
|
HDMI rates
|
|
|
|
This enables flexible HDMI rates on the rk3288 chromebooks so that they
|
|
actually work with displays (also others than a 1080p one) in the wild.
|
|
|
|
The frequency list matches what ChromeOS allows.
|
|
|
|
Signed-off-by: Urja Rannikko <urjaman@gmail.com>
|
|
---
|
|
.../boot/dts/rk3288-veyron-chromebook.dtsi | 62 +++++++++++++++++++
|
|
1 file changed, 62 insertions(+)
|
|
|
|
diff --git a/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi b/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi
|
|
index 05112c25176d3..4d972bd6741c1 100644
|
|
--- a/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi
|
|
+++ b/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi
|
|
@@ -83,6 +83,68 @@
|
|
};
|
|
};
|
|
|
|
+&cru {
|
|
+ /* Dedicate NPLL for VOP0 / VOP_BIG for HDMI. */
|
|
+ rockchip,npll-for-vop = <0>;
|
|
+ /* The first assigned clocks are DCLK_VOP0 and DCLK_VOP1 */
|
|
+ assigned-clock-parents = <&cru PLL_NPLL>, <&cru PLL_GPLL>;
|
|
+};
|
|
+
|
|
+/* Delete the nodes that allow non-desirable VOP - connector links. That
|
|
+ * is the eDP cannot use vopb and HDMI cannot use vopl. */
|
|
+
|
|
+/delete-node/ &edp_in_vopb;
|
|
+/delete-node/ &vopb_out_edp;
|
|
+/delete-node/ &hdmi_in_vopl;
|
|
+/delete-node/ &vopl_out_hdmi;
|
|
+
|
|
+&hdmi {
|
|
+ /* These depend on NPLL being dedicated to HDMI use. */
|
|
+ rockchip,hdmi-rates-hz = <
|
|
+ 25176471 /* for 25.175 MHz, 0.006% off */
|
|
+ 25200000
|
|
+ 27000000
|
|
+ 28320000
|
|
+ 30240000
|
|
+ 31500000
|
|
+ 32000000
|
|
+ 33750000
|
|
+ 36000000
|
|
+ 40000000
|
|
+ 49500000
|
|
+ 50000000
|
|
+ 54000000
|
|
+ 57290323 /* for 57.284 MHz, .011 % off */
|
|
+ 65000000
|
|
+ 68250000
|
|
+ 71000000
|
|
+ 72000000
|
|
+ 73250000
|
|
+ 74250000
|
|
+ 74437500 /* for 74.44 MHz, .003% off */
|
|
+ 75000000
|
|
+ 78750000
|
|
+ 78800000
|
|
+ 79500000
|
|
+ 83500000
|
|
+ 85500000
|
|
+ 88750000
|
|
+ 97750000
|
|
+ 101000000
|
|
+ 106500000
|
|
+ 108000000
|
|
+ 115500000
|
|
+ 118666667 /* for 118.68 MHz, .011% off */
|
|
+ 119000000
|
|
+ 121714286 /* for 121.75 MHz, .029% off */
|
|
+ 135000000
|
|
+ 136800000 /* for 136.75 MHz, .037% off */
|
|
+ 146250000
|
|
+ 148500000
|
|
+ 154000000
|
|
+ 162000000 >;
|
|
+};
|
|
+
|
|
&rk808 {
|
|
vcc11-supply = <&vcc_5v>;
|
|
|