From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Gao Date: Sat, 8 Apr 2017 20:18:12 +0800 Subject: [U-Boot] [PATCH 1/5] rockchip: i2c: enable i2c for rk3399 In-Reply-To: <1491653896-10207-1-git-send-email-eric.gao@rock-chips.com> References: <1491653896-10207-1-git-send-email-eric.gao@rock-chips.com> Message-ID: <1491653896-10207-2-git-send-email-eric.gao@rock-chips.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: "eric.gao" To enable mipi display, we need to enable pmic rk808 first for lcd3v3 power,which use i2c0 to communicate with soc. So enable i2c0. Signed-off-by: eric.gao eric.gao at rock-chips.com Signed-off-by: Eric Gao --- arch/arm/dts/rk3399.dtsi | 16 ++++++++++++++++ configs/evb-rk3399_defconfig | 1 + drivers/i2c/rk_i2c.c | 1 + 3 files changed, 18 insertions(+) diff --git a/arch/arm/dts/rk3399.dtsi b/arch/arm/dts/rk3399.dtsi index 456fdb6..93e3bf4 100644 --- a/arch/arm/dts/rk3399.dtsi +++ b/arch/arm/dts/rk3399.dtsi @@ -26,6 +26,7 @@ serial4 = &uart4; mmc0 = &sdhci; mmc1 = &sdmmc; + i2c0 = &i2c0; }; cpus { @@ -651,6 +652,21 @@ status = "disabled"; }; + i2c0: i2c at ff3c0000 { + compatible = "rockchip,rk3399-i2c"; + reg = <0x0 0xff3c0000 0x0 0x1000>; + assigned-clocks = <&pmucru SCLK_I2C0_PMU>; + assigned-clock-rates = <200000000>; + clocks = <&pmucru SCLK_I2C0_PMU>, <&pmucru PCLK_I2C0_PMU>; + clock-names = "i2c", "pclk"; + interrupts = ; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_xfer>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + pinctrl: pinctrl { u-boot,dm-pre-reloc; compatible = "rockchip,rk3399-pinctrl"; diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig index bedc1fd..2e2f9a8 100644 --- a/configs/evb-rk3399_defconfig +++ b/configs/evb-rk3399_defconfig @@ -58,3 +58,4 @@ CONFIG_USB_EHCI_GENERIC=y CONFIG_USB_STORAGE=y CONFIG_USE_TINY_PRINTF=y CONFIG_ERRNO_STR=y +CONFIG_SYS_I2C_ROCKCHIP=y diff --git a/drivers/i2c/rk_i2c.c b/drivers/i2c/rk_i2c.c index 7c701cb..a4c8c2ba 100644 --- a/drivers/i2c/rk_i2c.c +++ b/drivers/i2c/rk_i2c.c @@ -381,6 +381,7 @@ static const struct dm_i2c_ops rockchip_i2c_ops = { static const struct udevice_id rockchip_i2c_ids[] = { { .compatible = "rockchip,rk3288-i2c" }, + { .compatible = "rockchip,rk3399-i2c" }, { } }; -- 1.9.1