From: Liang Chen <[email protected]>
1. enalbe sdio/sdmmc/emmc.
2. enable cpufreq.
change in v2:
1. remove useless properties in mmc nodes.
Liang Chen (3):
arm64: dts: rockchip: add mmc nodes for rk3328 evaluation board
cpufreq: rockchip: add support for rk3328 soc
arm64: dts: rockchip: add cpu regulator for rk3328 evaluation board
arch/arm64/boot/dts/rockchip/rk3328-evb.dts | 70 +++++++++++++++++++++++++++++
drivers/cpufreq/cpufreq-dt-platdev.c | 1 +
2 files changed, 71 insertions(+)
--
1.9.1
From: Liang Chen <[email protected]>
Rockchip's rk3328 evaluation board has 3 mmc controllers for
sdio/sdmmc/emmc, let's enable them.
Signed-off-by: Liang Chen <[email protected]>
---
arch/arm64/boot/dts/rockchip/rk3328-evb.dts | 66 +++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
index 86605ae..30816c1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
@@ -60,6 +60,20 @@
regulator-max-microvolt = <12000000>;
};
+ sdio_pwrseq: sdio-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_enable_h>;
+
+ /*
+ * On the module itself this is one of these (depending
+ * on the actual card populated):
+ * - SDIO_RESET_L_WL_REG_ON
+ * - PDN (power down when low)
+ */
+ reset-gpios = <&gpio1 18 GPIO_ACTIVE_LOW>;
+ };
+
vcc_sys: vcc-sys {
compatible = "regulator-fixed";
regulator-name = "vcc_sys";
@@ -69,6 +83,26 @@
regulator-max-microvolt = <5000000>;
vin-supply = <&dc_12v>;
};
+
+ vcc_sd: sdmmc-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpio0 30 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0m1_gpio>;
+ regulator-name = "vcc_sd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_io>;
+ };
+};
+
+&emmc {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
+ status = "okay";
};
&i2c1 {
@@ -186,6 +220,38 @@
rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
+
+ sdio-pwrseq {
+ wifi_enable_h: wifi-enable-h {
+ rockchip,pins =
+ <1 18 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&sdio {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+ keep-power-in-suspend;
+ max-frequency = <150000000>;
+ mmc-pwrseq = <&sdio_pwrseq>;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc1_bus4 &sdmmc1_cmd &sdmmc1_clk>;
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ max-frequency = <150000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_dectn &sdmmc0_bus4>;
+ vmmc-supply = <&vcc_sd>;
+ status = "okay";
};
&tsadc {
--
1.9.1
From: Liang Chen <[email protected]>
Add compatible rockchip,rk3328 to the machines table to
launch cpufreq-dt driver for rk3328 soc.
Signed-off-by: Liang Chen <[email protected]>
---
drivers/cpufreq/cpufreq-dt-platdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index 1c26292..f16c3ba 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -76,6 +76,7 @@
{ .compatible = "rockchip,rk3188", },
{ .compatible = "rockchip,rk3228", },
{ .compatible = "rockchip,rk3288", },
+ { .compatible = "rockchip,rk3328", },
{ .compatible = "rockchip,rk3366", },
{ .compatible = "rockchip,rk3368", },
{ .compatible = "rockchip,rk3399", },
--
1.9.1
From: Liang Chen <[email protected]>
RK3328 Evaluation Board use rk805 pmic, and one of the DCDCs in
rk805 is for cpu regulator, assign the cpu regulator, so the
cpufreq can work fine.
Signed-off-by: Liang Chen <[email protected]>
---
arch/arm64/boot/dts/rockchip/rk3328-evb.dts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
index 30816c1..f82b2d0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
@@ -96,6 +96,10 @@
};
};
+&cpu0 {
+ cpu-supply = <&vdd_arm>;
+};
+
&emmc {
bus-width = <8>;
cap-mmc-highspeed;
--
1.9.1
Hi,
Am Donnerstag, 24. August 2017, 10:37:02 CEST schrieb [email protected]:
> From: Liang Chen <[email protected]>
>
> Add compatible rockchip,rk3328 to the machines table to
> launch cpufreq-dt driver for rk3328 soc.
>
> Signed-off-by: Liang Chen <[email protected]>
this already got added some days ago by a patch from Finley [0]
Heiko
[0] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=319af40a0053fea2ecadcf10bef7e796c91ea8c0
Am Donnerstag, 24. August 2017, 10:37:01 CEST schrieb [email protected]:
> From: Liang Chen <[email protected]>
>
> Rockchip's rk3328 evaluation board has 3 mmc controllers for
> sdio/sdmmc/emmc, let's enable them.
>
> Signed-off-by: Liang Chen <[email protected]>
applied ... but I cannot say if it will still be eligible for 4.14
(late in the cycle). If necessary I'll move it forward a release.
Thanks
Heiko
Am Donnerstag, 24. August 2017, 10:37:03 CEST schrieb [email protected]:
> From: Liang Chen <[email protected]>
>
> RK3328 Evaluation Board use rk805 pmic, and one of the DCDCs in
> rk805 is for cpu regulator, assign the cpu regulator, so the
> cpufreq can work fine.
>
> Signed-off-by: Liang Chen <[email protected]>
applied ... but I cannot say if it will still be eligible for 4.14
(late in the cycle). If necessary I'll move it forward a release.
Thanks
Heiko