[Letux-kernel] [PATCH] omap5: Fix DSI base address and clocks
H. Nikolaus Schaller
hns at goldelico.com
Tue Aug 18 11:58:47 CEST 2020
> Am 18.08.2020 um 11:51 schrieb David Shah <dave at ds0.me>:
>
> DSI was not probing due to base address off by 0x1000, and sys_clk
> missing.
>
> With this patch, the Pyra display works if HDMI is disabled in the
> device tree.
For me it also works if HDMI is not disabled.
So IMHO this comment is misleading.
Otherwise,
Tested-by: H. Nikolaus Schaller <hns at goldelico.com>
>
> Signed-off-by: David Shah <dave at ds0.me>
> ---
> arch/arm/boot/dts/omap5.dtsi | 20 +++++++++++---------
> 1 file changed, 11 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
> index c96e19a15c52..849a2dd9fef7 100644
> --- a/arch/arm/boot/dts/omap5.dtsi
> +++ b/arch/arm/boot/dts/omap5.dtsi
> @@ -388,11 +388,11 @@ rfbi: encoder at 0 {
> };
> };
>
> - target-module at 5000 {
> + target-module at 4000 {
> compatible = "ti,sysc-omap2", "ti,sysc";
> - reg = <0x5000 0x4>,
> - <0x5010 0x4>,
> - <0x5014 0x4>;
> + reg = <0x4000 0x4>,
> + <0x4010 0x4>,
> + <0x4014 0x4>;
> reg-names = "rev", "sysc", "syss";
> ti,sysc-sidle = <SYSC_IDLE_FORCE>,
> <SYSC_IDLE_NO>,
> @@ -404,7 +404,7 @@ SYSC_OMAP2_SOFTRESET |
> ti,syss-mask = <1>;
> #address-cells = <1>;
> #size-cells = <1>;
> - ranges = <0 0x5000 0x1000>;
> + ranges = <0 0x4000 0x1000>;
>
> dsi1: encoder at 0 {
> compatible = "ti,omap5-dsi";
> @@ -414,8 +414,9 @@ dsi1: encoder at 0 {
> reg-names = "proto", "phy", "pll";
> interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
> status = "disabled";
> - clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>;
> - clock-names = "fck";
> + clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>,
> + <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>;
> + clock-names = "fck", "sys_clk";
> };
> };
>
> @@ -445,8 +446,9 @@ dsi2: encoder at 0 {
> reg-names = "proto", "phy", "pll";
> interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
> status = "disabled";
> - clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>;
> - clock-names = "fck";
> + clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>,
> + <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>;
> + clock-names = "fck", "sys_clk";
> };
> };
>
> --
> 2.28.0
>
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