[PATCH v2 12/32] board: dragonboard410c: upstream DT compat
Neil Armstrong
neil.armstrong at linaro.org
Thu Dec 21 17:23:16 CET 2023
On 19/12/2023 17:04, Caleb Connolly wrote:
> Use the root compatible strings from upstream Linux, add missing
> '#clock-cells' property to the gcc node.
>
> Adjust some of the msm8916/apq8016 drivers to use the correct upstream
> compatible properties and DT bindings.
>
> This prepares us to switch to upstream DT in a future patch.
>
> Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
> ---
> arch/arm/dts/dragonboard410c.dts | 25 +++-
> board/qualcomm/dragonboard410c/dragonboard410c.c | 93 +++---------
> doc/device-tree-bindings/usb/ehci-msm.txt | 10 --
> drivers/clk/qcom/clock-apq8016.c | 7 +-
> drivers/phy/qcom/msm8916-usbh-phy.c | 4 +-
> drivers/pinctrl/qcom/pinctrl-apq8016.c | 2 +-
> drivers/usb/host/ehci-msm.c | 24 ++-
> include/dt-bindings/clock/qcom,gcc-msm8916.h | 179 +++++++++++++++++++++++
> 8 files changed, 248 insertions(+), 96 deletions(-)
>
> diff --git a/arch/arm/dts/dragonboard410c.dts b/arch/arm/dts/dragonboard410c.dts
> index c395e6cc0427..453642b25705 100644
> --- a/arch/arm/dts/dragonboard410c.dts
> +++ b/arch/arm/dts/dragonboard410c.dts
> @@ -12,7 +12,7 @@
>
> / {
> model = "Qualcomm Technologies, Inc. Dragonboard 410c";
> - compatible = "qcom,dragonboard", "qcom,apq8016-sbc";
> + compatible = "qcom,apq8016-sbc", "qcom,apq8016";
> qcom,msm-id = <0xce 0x0 0xf8 0x0 0xf9 0x0 0xfa 0x0 0xf7 0x0>;
> qcom,board-id = <0x10018 0x0>;
> #address-cells = <0x2>;
> @@ -79,6 +79,7 @@
> reg = <0x1800000 0x80000>;
> #address-cells = <0x1>;
> #size-cells = <0x0>;
> + #clock-cells = <0x1>;
> };
>
> serial at 78b0000 {
> @@ -91,15 +92,25 @@
> };
>
> ehci at 78d9000 {
> - compatible = "qcom,ehci-host";
> + compatible = "qcom,ci-hdrc";
> reg = <0x78d9000 0x400>;
> phys = <&ehci_phy>;
> - };
>
> - ehci_phy: ehci_phy at 78d9000 {
> - compatible = "qcom,apq8016-usbphy";
> - reg = <0x78d9000 0x400>;
> - #phy-cells = <0>;
> + ulpi {
> + usb_hs_phy: phy {
> + compatible = "qcom,usb-hs-phy-msm8916",
> + "qcom,usb-hs-phy";
> + #phy-cells = <0>;
> + clocks = <&xo_board>, <&gcc GCC_USB2A_PHY_SLEEP_CLK>;
> + clock-names = "ref", "sleep";
> + resets = <&gcc GCC_USB2A_PHY_BCR>, <&usb 0>;
> + reset-names = "phy", "por";
> + qcom,init-seq = /bits/ 8 <0x0 0x44>,
> + <0x1 0x6b>,
> + <0x2 0x24>,
> + <0x3 0x13>;
> + };
> + };
> };
>
> sdhci at 07824000 {
> diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.c b/board/qualcomm/dragonboard410c/dragonboard410c.c
> index 350e0e9e20aa..1adac07569ae 100644
> --- a/board/qualcomm/dragonboard410c/dragonboard410c.c
> +++ b/board/qualcomm/dragonboard410c/dragonboard410c.c
> @@ -9,6 +9,7 @@
> #include <common.h>
> #include <cpu_func.h>
> #include <dm.h>
> +#include <dm/pinctrl.h>
> #include <env.h>
> #include <init.h>
> #include <net.h>
> @@ -23,84 +24,32 @@
>
> DECLARE_GLOBAL_DATA_PTR;
>
> -int dram_init(void)
> -{
> - gd->ram_size = PHYS_SDRAM_1_SIZE;
> -
> - return 0;
> -}
> -
> -int dram_init_banksize(void)
> -{
> - gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
> - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
> -
> - return 0;
> -}
> +#define USB_HUB_RESET_GPIO 2
> +#define USB_SW_SELECT_GPIO 3
>
> int board_usb_init(int index, enum usb_init_type init)
> {
> - static struct udevice *pmic_gpio;
> - static struct gpio_desc hub_reset, usb_sel;
> - int ret = 0, node;
> + struct udevice *usb;
> + int ret = 0;
>
> - if (!pmic_gpio) {
> - ret = uclass_get_device_by_name(UCLASS_GPIO,
> - "pm8916_gpios at c000",
> - &pmic_gpio);
> - if (ret < 0) {
> - printf("Failed to find pm8916_gpios at c000 node.\n");
> - return ret;
> - }
> + /* USB device */
> + ret = device_find_global_by_ofnode(ofnode_path("/soc/usb"), &usb);
> + if (ret) {
> + printf("Cannot find USB device\n");
> + return ret;
> }
>
> - /* Try to request gpios needed to start usb host on dragonboard */
> - if (!dm_gpio_is_valid(&hub_reset)) {
> - node = fdt_subnode_offset(gd->fdt_blob,
> - dev_of_offset(pmic_gpio),
> - "usb_hub_reset_pm");
> - if (node < 0) {
> - printf("Failed to find usb_hub_reset_pm dt node.\n");
> - return node;
> - }
> - ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
> - "gpios", 0, &hub_reset, 0);
> - if (ret < 0) {
> - printf("Failed to request usb_hub_reset_pm gpio.\n");
> - return ret;
> - }
> - }
> -
> - if (!dm_gpio_is_valid(&usb_sel)) {
> - node = fdt_subnode_offset(gd->fdt_blob,
> - dev_of_offset(pmic_gpio),
> - "usb_sw_sel_pm");
> - if (node < 0) {
> - printf("Failed to find usb_sw_sel_pm dt node.\n");
> - return 0;
> - }
> - ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
> - "gpios", 0, &usb_sel, 0);
> - if (ret < 0) {
> - printf("Failed to request usb_sw_sel_pm gpio.\n");
> - return ret;
> - }
> - }
> -
> - if (init == USB_INIT_HOST) {
> - /* Start USB Hub */
> - dm_gpio_set_dir_flags(&hub_reset,
> - GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
> - mdelay(100);
> - /* Switch usb to host connectors */
> - dm_gpio_set_dir_flags(&usb_sel,
> - GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
> - mdelay(100);
> - } else { /* Device */
> - /* Disable hub */
> - dm_gpio_set_dir_flags(&hub_reset, GPIOD_IS_OUT);
> - /* Switch back to device connector */
> - dm_gpio_set_dir_flags(&usb_sel, GPIOD_IS_OUT);
> + /* Select "default" or "device" pinctrl */
> + switch (init) {
> + case USB_INIT_HOST:
> + pinctrl_select_state(usb, "default");
> + break;
> + case USB_INIT_DEVICE:
> + pinctrl_select_state(usb, "device");
> + break;
> + default:
> + debug("Unknown usb_init_type %d\n", init);
> + break;
> }
>
> return 0;
> diff --git a/doc/device-tree-bindings/usb/ehci-msm.txt b/doc/device-tree-bindings/usb/ehci-msm.txt
> deleted file mode 100644
> index 205bb07220fb..000000000000
> --- a/doc/device-tree-bindings/usb/ehci-msm.txt
> +++ /dev/null
> @@ -1,10 +0,0 @@
> -Chipidea EHCI controller (part of OTG controller) used on Qualcomm devices.
> -
> -Required properties:
> -- compatible: must be "qcom,ehci-host"
> -- reg: start address and size of the registers
> -
> -ehci at 78d9000 {
> - compatible = "qcom,ehci-host";
> - reg = <0x78d9000 0x400>;
> -};
> diff --git a/drivers/clk/qcom/clock-apq8016.c b/drivers/clk/qcom/clock-apq8016.c
> index 0af7191cff52..9de0ad5ed32d 100644
> --- a/drivers/clk/qcom/clock-apq8016.c
> +++ b/drivers/clk/qcom/clock-apq8016.c
> @@ -13,6 +13,7 @@
> #include <errno.h>
> #include <asm/io.h>
> #include <linux/bitops.h>
> +#include <dt-bindings/clock/qcom,gcc-msm8916.h>
>
> #include "clock-qcom.h"
>
> @@ -125,13 +126,13 @@ static ulong apq8016_clk_set_rate(struct clk *clk, ulong rate)
> struct msm_clk_priv *priv = dev_get_priv(clk->dev);
>
> switch (clk->id) {
> - case 0: /* SDC1 */
> + case GCC_SDCC1_APPS_CLK: /* SDC1 */
> return clk_init_sdc(priv, 0, rate);
> break;
> - case 1: /* SDC2 */
> + case GCC_SDCC2_APPS_CLK: /* SDC2 */
> return clk_init_sdc(priv, 1, rate);
> break;
> - case 4: /* UART2 */
> + case GCC_BLSP1_UART2_APPS_CLK: /* UART2 */
> return clk_init_uart(priv);
> break;
> default:
> diff --git a/drivers/phy/qcom/msm8916-usbh-phy.c b/drivers/phy/qcom/msm8916-usbh-phy.c
> index 7c9d030a4d8a..f52046f7cb02 100644
> --- a/drivers/phy/qcom/msm8916-usbh-phy.c
> +++ b/drivers/phy/qcom/msm8916-usbh-phy.c
> @@ -74,7 +74,7 @@ static int msm_phy_probe(struct udevice *dev)
> {
> struct msm_phy_priv *priv = dev_get_priv(dev);
>
> - priv->regs = dev_remap_addr(dev);
> + priv->regs = dev_remap_addr(dev_get_parent(dev));
> if (!priv->regs)
> return -EINVAL;
>
> @@ -96,7 +96,7 @@ static struct phy_ops msm_phy_ops = {
> };
>
> static const struct udevice_id msm_phy_ids[] = {
> - { .compatible = "qcom,apq8016-usbphy" },
> + { .compatible = "qcom,usb-hs-phy-msm8916" },
> { }
> };
>
> diff --git a/drivers/pinctrl/qcom/pinctrl-apq8016.c b/drivers/pinctrl/qcom/pinctrl-apq8016.c
> index 8149ffd83cc4..8e698085d78b 100644
> --- a/drivers/pinctrl/qcom/pinctrl-apq8016.c
> +++ b/drivers/pinctrl/qcom/pinctrl-apq8016.c
> @@ -29,7 +29,7 @@ static const char * const msm_pinctrl_pins[] = {
> };
>
> static const struct pinctrl_function msm_pinctrl_functions[] = {
> - {"blsp1_uart", 2},
> + {"blsp_uart2", 2},
> };
>
> static const char *apq8016_get_function_name(struct udevice *dev,
> diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
> index dd0d153500cb..25960453beae 100644
> --- a/drivers/usb/host/ehci-msm.c
> +++ b/drivers/usb/host/ehci-msm.c
> @@ -9,6 +9,7 @@
>
> #include <common.h>
> #include <dm.h>
> +#include <dm/lists.h>
> #include <errno.h>
> #include <usb.h>
> #include <usb/ehci-ci.h>
> @@ -119,6 +120,26 @@ static int ehci_usb_of_to_plat(struct udevice *dev)
> return 0;
> }
>
> +static int ehci_usb_of_bind(struct udevice *dev)
> +{
> + ofnode ulpi_node = ofnode_first_subnode(dev_ofnode(dev));
> + ofnode phy_node;
> +
> + if (!ofnode_valid(ulpi_node))
> + return 0;
> +
> + phy_node = ofnode_first_subnode(ulpi_node);
> + if (!ofnode_valid(phy_node)) {
> + printf("%s: ulpi subnode with no phy\n", __func__);
> + return -ENOENT;
> + }
> +
> + return device_bind_driver_to_node(dev, "msm8916_usbphy", "msm8916_usbphy",
> + phy_node, NULL);
> +
> + return 0;
> +}
> +
> #if defined(CONFIG_CI_UDC)
> /* Little quirk that MSM needs with Chipidea controller
> * Must reinit phy after reset
> @@ -132,7 +153,7 @@ void ci_init_after_reset(struct ehci_ctrl *ctrl)
> #endif
>
> static const struct udevice_id ehci_usb_ids[] = {
> - { .compatible = "qcom,ehci-host", },
> + { .compatible = "qcom,ci-hdrc", },
> { }
> };
>
> @@ -141,6 +162,7 @@ U_BOOT_DRIVER(usb_ehci) = {
> .id = UCLASS_USB,
> .of_match = ehci_usb_ids,
> .of_to_plat = ehci_usb_of_to_plat,
> + .bind = ehci_usb_of_bind,
> .probe = ehci_usb_probe,
> .remove = ehci_usb_remove,
> .ops = &ehci_usb_ops,
> diff --git a/include/dt-bindings/clock/qcom,gcc-msm8916.h b/include/dt-bindings/clock/qcom,gcc-msm8916.h
> new file mode 100644
> index 000000000000..563034406184
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,gcc-msm8916.h
> @@ -0,0 +1,179 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright 2015 Linaro Limited
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_MSM_GCC_8916_H
> +#define _DT_BINDINGS_CLK_MSM_GCC_8916_H
> +
> +#define GPLL0 0
> +#define GPLL0_VOTE 1
> +#define BIMC_PLL 2
> +#define BIMC_PLL_VOTE 3
> +#define GPLL1 4
> +#define GPLL1_VOTE 5
> +#define GPLL2 6
> +#define GPLL2_VOTE 7
> +#define PCNOC_BFDCD_CLK_SRC 8
> +#define SYSTEM_NOC_BFDCD_CLK_SRC 9
> +#define CAMSS_AHB_CLK_SRC 10
> +#define APSS_AHB_CLK_SRC 11
> +#define CSI0_CLK_SRC 12
> +#define CSI1_CLK_SRC 13
> +#define GFX3D_CLK_SRC 14
> +#define VFE0_CLK_SRC 15
> +#define BLSP1_QUP1_I2C_APPS_CLK_SRC 16
> +#define BLSP1_QUP1_SPI_APPS_CLK_SRC 17
> +#define BLSP1_QUP2_I2C_APPS_CLK_SRC 18
> +#define BLSP1_QUP2_SPI_APPS_CLK_SRC 19
> +#define BLSP1_QUP3_I2C_APPS_CLK_SRC 20
> +#define BLSP1_QUP3_SPI_APPS_CLK_SRC 21
> +#define BLSP1_QUP4_I2C_APPS_CLK_SRC 22
> +#define BLSP1_QUP4_SPI_APPS_CLK_SRC 23
> +#define BLSP1_QUP5_I2C_APPS_CLK_SRC 24
> +#define BLSP1_QUP5_SPI_APPS_CLK_SRC 25
> +#define BLSP1_QUP6_I2C_APPS_CLK_SRC 26
> +#define BLSP1_QUP6_SPI_APPS_CLK_SRC 27
> +#define BLSP1_UART1_APPS_CLK_SRC 28
> +#define BLSP1_UART2_APPS_CLK_SRC 29
> +#define CCI_CLK_SRC 30
> +#define CAMSS_GP0_CLK_SRC 31
> +#define CAMSS_GP1_CLK_SRC 32
> +#define JPEG0_CLK_SRC 33
> +#define MCLK0_CLK_SRC 34
> +#define MCLK1_CLK_SRC 35
> +#define CSI0PHYTIMER_CLK_SRC 36
> +#define CSI1PHYTIMER_CLK_SRC 37
> +#define CPP_CLK_SRC 38
> +#define CRYPTO_CLK_SRC 39
> +#define GP1_CLK_SRC 40
> +#define GP2_CLK_SRC 41
> +#define GP3_CLK_SRC 42
> +#define BYTE0_CLK_SRC 43
> +#define ESC0_CLK_SRC 44
> +#define MDP_CLK_SRC 45
> +#define PCLK0_CLK_SRC 46
> +#define VSYNC_CLK_SRC 47
> +#define PDM2_CLK_SRC 48
> +#define SDCC1_APPS_CLK_SRC 49
> +#define SDCC2_APPS_CLK_SRC 50
> +#define APSS_TCU_CLK_SRC 51
> +#define USB_HS_SYSTEM_CLK_SRC 52
> +#define VCODEC0_CLK_SRC 53
> +#define GCC_BLSP1_AHB_CLK 54
> +#define GCC_BLSP1_SLEEP_CLK 55
> +#define GCC_BLSP1_QUP1_I2C_APPS_CLK 56
> +#define GCC_BLSP1_QUP1_SPI_APPS_CLK 57
> +#define GCC_BLSP1_QUP2_I2C_APPS_CLK 58
> +#define GCC_BLSP1_QUP2_SPI_APPS_CLK 59
> +#define GCC_BLSP1_QUP3_I2C_APPS_CLK 60
> +#define GCC_BLSP1_QUP3_SPI_APPS_CLK 61
> +#define GCC_BLSP1_QUP4_I2C_APPS_CLK 62
> +#define GCC_BLSP1_QUP4_SPI_APPS_CLK 63
> +#define GCC_BLSP1_QUP5_I2C_APPS_CLK 64
> +#define GCC_BLSP1_QUP5_SPI_APPS_CLK 65
> +#define GCC_BLSP1_QUP6_I2C_APPS_CLK 66
> +#define GCC_BLSP1_QUP6_SPI_APPS_CLK 67
> +#define GCC_BLSP1_UART1_APPS_CLK 68
> +#define GCC_BLSP1_UART2_APPS_CLK 69
> +#define GCC_BOOT_ROM_AHB_CLK 70
> +#define GCC_CAMSS_CCI_AHB_CLK 71
> +#define GCC_CAMSS_CCI_CLK 72
> +#define GCC_CAMSS_CSI0_AHB_CLK 73
> +#define GCC_CAMSS_CSI0_CLK 74
> +#define GCC_CAMSS_CSI0PHY_CLK 75
> +#define GCC_CAMSS_CSI0PIX_CLK 76
> +#define GCC_CAMSS_CSI0RDI_CLK 77
> +#define GCC_CAMSS_CSI1_AHB_CLK 78
> +#define GCC_CAMSS_CSI1_CLK 79
> +#define GCC_CAMSS_CSI1PHY_CLK 80
> +#define GCC_CAMSS_CSI1PIX_CLK 81
> +#define GCC_CAMSS_CSI1RDI_CLK 82
> +#define GCC_CAMSS_CSI_VFE0_CLK 83
> +#define GCC_CAMSS_GP0_CLK 84
> +#define GCC_CAMSS_GP1_CLK 85
> +#define GCC_CAMSS_ISPIF_AHB_CLK 86
> +#define GCC_CAMSS_JPEG0_CLK 87
> +#define GCC_CAMSS_JPEG_AHB_CLK 88
> +#define GCC_CAMSS_JPEG_AXI_CLK 89
> +#define GCC_CAMSS_MCLK0_CLK 90
> +#define GCC_CAMSS_MCLK1_CLK 91
> +#define GCC_CAMSS_MICRO_AHB_CLK 92
> +#define GCC_CAMSS_CSI0PHYTIMER_CLK 93
> +#define GCC_CAMSS_CSI1PHYTIMER_CLK 94
> +#define GCC_CAMSS_AHB_CLK 95
> +#define GCC_CAMSS_TOP_AHB_CLK 96
> +#define GCC_CAMSS_CPP_AHB_CLK 97
> +#define GCC_CAMSS_CPP_CLK 98
> +#define GCC_CAMSS_VFE0_CLK 99
> +#define GCC_CAMSS_VFE_AHB_CLK 100
> +#define GCC_CAMSS_VFE_AXI_CLK 101
> +#define GCC_CRYPTO_AHB_CLK 102
> +#define GCC_CRYPTO_AXI_CLK 103
> +#define GCC_CRYPTO_CLK 104
> +#define GCC_OXILI_GMEM_CLK 105
> +#define GCC_GP1_CLK 106
> +#define GCC_GP2_CLK 107
> +#define GCC_GP3_CLK 108
> +#define GCC_MDSS_AHB_CLK 109
> +#define GCC_MDSS_AXI_CLK 110
> +#define GCC_MDSS_BYTE0_CLK 111
> +#define GCC_MDSS_ESC0_CLK 112
> +#define GCC_MDSS_MDP_CLK 113
> +#define GCC_MDSS_PCLK0_CLK 114
> +#define GCC_MDSS_VSYNC_CLK 115
> +#define GCC_MSS_CFG_AHB_CLK 116
> +#define GCC_OXILI_AHB_CLK 117
> +#define GCC_OXILI_GFX3D_CLK 118
> +#define GCC_PDM2_CLK 119
> +#define GCC_PDM_AHB_CLK 120
> +#define GCC_PRNG_AHB_CLK 121
> +#define GCC_SDCC1_AHB_CLK 122
> +#define GCC_SDCC1_APPS_CLK 123
> +#define GCC_SDCC2_AHB_CLK 124
> +#define GCC_SDCC2_APPS_CLK 125
> +#define GCC_GTCU_AHB_CLK 126
> +#define GCC_JPEG_TBU_CLK 127
> +#define GCC_MDP_TBU_CLK 128
> +#define GCC_SMMU_CFG_CLK 129
> +#define GCC_VENUS_TBU_CLK 130
> +#define GCC_VFE_TBU_CLK 131
> +#define GCC_USB2A_PHY_SLEEP_CLK 132
> +#define GCC_USB_HS_AHB_CLK 133
> +#define GCC_USB_HS_SYSTEM_CLK 134
> +#define GCC_VENUS0_AHB_CLK 135
> +#define GCC_VENUS0_AXI_CLK 136
> +#define GCC_VENUS0_VCODEC0_CLK 137
> +#define BIMC_DDR_CLK_SRC 138
> +#define GCC_APSS_TCU_CLK 139
> +#define GCC_GFX_TCU_CLK 140
> +#define BIMC_GPU_CLK_SRC 141
> +#define GCC_BIMC_GFX_CLK 142
> +#define GCC_BIMC_GPU_CLK 143
> +#define ULTAUDIO_LPAIF_PRI_I2S_CLK_SRC 144
> +#define ULTAUDIO_LPAIF_SEC_I2S_CLK_SRC 145
> +#define ULTAUDIO_LPAIF_AUX_I2S_CLK_SRC 146
> +#define ULTAUDIO_XO_CLK_SRC 147
> +#define ULTAUDIO_AHBFABRIC_CLK_SRC 148
> +#define CODEC_DIGCODEC_CLK_SRC 149
> +#define GCC_ULTAUDIO_PCNOC_MPORT_CLK 150
> +#define GCC_ULTAUDIO_PCNOC_SWAY_CLK 151
> +#define GCC_ULTAUDIO_AVSYNC_XO_CLK 152
> +#define GCC_ULTAUDIO_STC_XO_CLK 153
> +#define GCC_ULTAUDIO_AHBFABRIC_IXFABRIC_CLK 154
> +#define GCC_ULTAUDIO_AHBFABRIC_IXFABRIC_LPM_CLK 155
> +#define GCC_ULTAUDIO_LPAIF_PRI_I2S_CLK 156
> +#define GCC_ULTAUDIO_LPAIF_SEC_I2S_CLK 157
> +#define GCC_ULTAUDIO_LPAIF_AUX_I2S_CLK 158
> +#define GCC_CODEC_DIGCODEC_CLK 159
> +#define GCC_MSS_Q6_BIMC_AXI_CLK 160
> +
> +/* Indexes for GDSCs */
> +#define BIMC_GDSC 0
> +#define VENUS_GDSC 1
> +#define MDSS_GDSC 2
> +#define JPEG_GDSC 3
> +#define VFE_GDSC 4
> +#define OXILI_GDSC 5
> +
> +#endif
>
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
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