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dt-bindings: mmc: renesas_sdhi: provide example in bindings documentation 

Provide an example of the usage of the DT bindings for TMIO
in their documentation. The example given is for the r8a7790 (R-Car H2).

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
hifive-unleashed-5.1
Simon Horman 2017-10-18 09:00:21 +02:00 committed by Ulf Hansson
parent 6186d06c51
commit 95e91ade69
1 changed files with 58 additions and 0 deletions
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58
Documentation/devicetree/bindings/mmc/tmio_mmc.txt
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@ -43,3 +43,61 @@ Optional properties:
- pinctrl-names: should be "default", "state_uhs"
- pinctrl-0: should contain default/high speed pin ctrl
- pinctrl-1: should contain uhs mode pin ctrl
Example: R8A7790 (R-Car H2) SDHI controller nodes
sdhi0: sd@ee100000 {
compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee100000 0 0x328>;
interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 314>;
dmas = <&dmac0 0xcd>, <&dmac0 0xce>,
<&dmac1 0xcd>, <&dmac1 0xce>;
dma-names = "tx", "rx", "tx", "rx";
max-frequency = <195000000>;
power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
resets = <&cpg 314>;
status = "disabled";
};
sdhi1: sd@ee120000 {
compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee120000 0 0x328>;
interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 313>;
dmas = <&dmac0 0xc9>, <&dmac0 0xca>,
<&dmac1 0xc9>, <&dmac1 0xca>;
dma-names = "tx", "rx", "tx", "rx";
max-frequency = <195000000>;
power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
resets = <&cpg 313>;
status = "disabled";
};
sdhi2: sd@ee140000 {
compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee140000 0 0x100>;
interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 312>;
dmas = <&dmac0 0xc1>, <&dmac0 0xc2>,
<&dmac1 0xc1>, <&dmac1 0xc2>;
dma-names = "tx", "rx", "tx", "rx";
max-frequency = <97500000>;
power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
resets = <&cpg 312>;
status = "disabled";
};
sdhi3: sd@ee160000 {
compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee160000 0 0x100>;
interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 311>;
dmas = <&dmac0 0xd3>, <&dmac0 0xd4>,
<&dmac1 0xd3>, <&dmac1 0xd4>;
dma-names = "tx", "rx", "tx", "rx";
max-frequency = <97500000>;
power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
resets = <&cpg 311>;
status = "disabled";
};