[CC Morimoto-san]
On Sun, May 17, 2015 at 01:39:44AM +0100, Ben Hutchings wrote:
> Add the "1v8" pinctrl state and sd-uhs-sdr50 property to SDHI{0,2}.
>
> Signed-off-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
> ---
> None of the states includes the CD pins, as they can't be allocated both
> through pinctrl and as GPIOs. But the Lager manual shows these signals
> being pulled up to the same variable voltage as the other signals. This
> might possibly lead to spurious card detect interrupts after switching
> to 1.8V signalling.
Morimoto-san,
I would appreciate your opinion on this change.
Thanks.
> arch/arm/boot/dts/r8a7790-lager.dts | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
> index 343ec0ccc8df..5584e835d0f5 100644
> --- a/arch/arm/boot/dts/r8a7790-lager.dts
> +++ b/arch/arm/boot/dts/r8a7790-lager.dts
> @@ -314,11 +314,21 @@
> renesas,function = "sdhi0";
> };
>
> + sdhi0_pins_1v8: sd0_1v8 {
> + renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
> + renesas,function = "sdhi0_1v8";
> + };
> +
> sdhi2_pins: sd2 {
> renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
> renesas,function = "sdhi2";
> };
>
> + sdhi2_pins_1v8: sd2_1v8 {
> + renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
> + renesas,function = "sdhi2_1v8";
> + };
> +
> mmc1_pins: mmc1 {
> renesas,groups = "mmc1_data8", "mmc1_ctrl";
> renesas,function = "mmc1";
> @@ -491,7 +501,8 @@
>
> &sdhi0 {
> pinctrl-0 = <&sdhi0_pins>;
> - pinctrl-names = "default";
> + pinctrl-1 = <&sdhi0_pins_1v8>;
> + pinctrl-names = "default", "1v8";
>
> assigned-clocks = <&mstp3_clks R8A7790_CLK_SDHI0>;
> assigned-clock-rates = <156000000>;
> @@ -499,12 +510,14 @@
> vmmc-supply = <&vcc_sdhi0>;
> vqmmc-supply = <&vccq_sdhi0>;
> cd-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
> + sd-uhs-sdr50;
> status = "okay";
> };
>
> &sdhi2 {
> pinctrl-0 = <&sdhi2_pins>;
> - pinctrl-names = "default";
> + pinctrl-1 = <&sdhi2_pins_1v8>;
> + pinctrl-names = "default", "1v8";
>
> assigned-clocks = <&mstp3_clks R8A7790_CLK_SDHI2>;
> assigned-clock-rates = <97500000>;
> @@ -512,6 +525,7 @@
> vmmc-supply = <&vcc_sdhi2>;
> vqmmc-supply = <&vccq_sdhi2>;
> cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
> + sd-uhs-sdr50;
> status = "okay";
> };
>
> --
> 1.7.10.4
>
>
>
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