arm64: dts: renesas: ebisu: Add and enable SDHI device nodes

This patch adds SDHI{0,1,3} device nodes for the r8a77990 SoC
and enables SD card slot connected to SDHI0, micro SD card slot
connected to SDHI1 and eMMC connected to SDHI3 on the Ebisu board
using the R8A77990 SoC.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index f9c592adbbd3fb27886b2f769c6d896ad917a3f2..2f1cbcde8ae03acca4c727b2a469f6bdf58bc555 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -129,6 +129,15 @@
                };
        };
 
+       reg_1p8v: regulator0 {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-1.8V";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
        reg_3p3v: regulator1 {
                compatible = "regulator-fixed";
                regulator-name = "fixed-3.3V";
@@ -180,6 +189,54 @@
                #clock-cells = <0>;
                clock-frequency = <74250000>;
        };
+
+       vcc_sdhi0: regulator-vcc-sdhi0 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI0 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio5 17 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi0: regulator-vccq-sdhi0 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI0 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
+
+       vcc_sdhi1: regulator-vcc-sdhi1 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI1 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi1: regulator-vccq-sdhi1 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI1 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
 };
 
 &audio_clk_a {
@@ -410,6 +467,36 @@
                function = "pwm5";
        };
 
+       sdhi0_pins: sd0 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <3300>;
+       };
+
+       sdhi0_pins_uhs: sd0_uhs {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <1800>;
+       };
+
+       sdhi1_pins: sd1 {
+               groups = "sdhi1_data4", "sdhi1_ctrl";
+               function = "sdhi1";
+               power-source = <3300>;
+       };
+
+       sdhi1_pins_uhs: sd1_uhs {
+               groups = "sdhi1_data4", "sdhi1_ctrl";
+               function = "sdhi1";
+               power-source = <1800>;
+       };
+
+       sdhi3_pins: sd3 {
+               groups = "sdhi3_data8", "sdhi3_ctrl", "sdhi3_ds";
+               function = "sdhi3";
+               power-source = <1800>;
+       };
+
        sound_pins: sound {
                groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data";
                function = "ssi";
@@ -531,3 +618,46 @@
 
        status = "okay";
 };
+
+&sdhi0 {
+       pinctrl-0 = <&sdhi0_pins>;
+       pinctrl-1 = <&sdhi0_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi0>;
+       vqmmc-supply = <&vccq_sdhi0>;
+       cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+       wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+       bus-width = <4>;
+       sd-uhs-sdr50;
+       sd-uhs-sdr104;
+       status = "okay";
+};
+
+&sdhi1 {
+       pinctrl-0 = <&sdhi1_pins>;
+       pinctrl-1 = <&sdhi1_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi1>;
+       vqmmc-supply = <&vccq_sdhi1>;
+       cd-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>;
+       bus-width = <4>;
+       sd-uhs-sdr50;
+       sd-uhs-sdr104;
+       status = "okay";
+};
+
+&sdhi3 {
+       /* used for on-board 8bit eMMC */
+       pinctrl-0 = <&sdhi3_pins>;
+       pinctrl-1 = <&sdhi3_pins>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&reg_3p3v>;
+       vqmmc-supply = <&reg_1p8v>;
+       mmc-hs200-1_8v;
+       bus-width = <8>;
+       non-removable;
+       status = "okay";
+};

diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index beb53aaa9e2c434ff5a81016ab689e71232dac9e..e0092fb27ec0ebf8733b81f45501c0b3b91c6062 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -1351,6 +1351,42 @@
                        status = "disabled";
                };
 
+               sdhi0: sd@ee100000 {
+                       compatible = "renesas,sdhi-r8a77990",
+                                    "renesas,rcar-gen3-sdhi";
+                       reg = <0 0xee100000 0 0x2000>;
+                       interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 314>;
+                       max-frequency = <200000000>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 314>;
+                       status = "disabled";
+               };
+
+               sdhi1: sd@ee120000 {
+                       compatible = "renesas,sdhi-r8a77990",
+                                    "renesas,rcar-gen3-sdhi";
+                       reg = <0 0xee120000 0 0x2000>;
+                       interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 313>;
+                       max-frequency = <200000000>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 313>;
+                       status = "disabled";
+               };
+
+               sdhi3: sd@ee160000 {
+                       compatible = "renesas,sdhi-r8a77990",
+                                    "renesas,rcar-gen3-sdhi";
+                       reg = <0 0xee160000 0 0x2000>;
+                       interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 311>;
+                       max-frequency = <200000000>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 311>;
+                       status = "disabled";
+               };
+
                gic: interrupt-controller@f1010000 {
                        compatible = "arm,gic-400";
                        #interrupt-cells = <3>;