You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
198 lines
5.5 KiB
198 lines
5.5 KiB
From 112ef1882e12094c823937f9d72f2f598db02df7 Mon Sep 17 00:00:00 2001
|
|
From: Shunli Wang <shunli.wang@mediatek.com>
|
|
Date: Thu, 20 Oct 2016 16:56:38 +0800
|
|
Subject: [PATCH 2/2] soc: mediatek: Add MT2701 scpsys driver
|
|
|
|
Add scpsys driver for MT2701.
|
|
|
|
mtk-scpsys now supports MT8173 (arm64) and MT2701 (arm). So it should
|
|
be enabled on both arm64 and arm platforms.
|
|
|
|
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
|
|
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
|
|
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
|
|
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
|
|
---
|
|
drivers/soc/mediatek/Kconfig | 2 +-
|
|
drivers/soc/mediatek/mtk-scpsys.c | 117 +++++++++++++++++++++++++++++++++++++-
|
|
2 files changed, 117 insertions(+), 2 deletions(-)
|
|
|
|
Index: linux-4.9.14/drivers/soc/mediatek/Kconfig
|
|
===================================================================
|
|
--- linux-4.9.14.orig/drivers/soc/mediatek/Kconfig
|
|
+++ linux-4.9.14/drivers/soc/mediatek/Kconfig
|
|
@@ -23,7 +23,7 @@ config MTK_PMIC_WRAP
|
|
config MTK_SCPSYS
|
|
bool "MediaTek SCPSYS Support"
|
|
depends on ARCH_MEDIATEK || COMPILE_TEST
|
|
- default ARM64 && ARCH_MEDIATEK
|
|
+ default ARCH_MEDIATEK
|
|
select REGMAP
|
|
select MTK_INFRACFG
|
|
select PM_GENERIC_DOMAINS if PM
|
|
Index: linux-4.9.14/drivers/soc/mediatek/mtk-scpsys.c
|
|
===================================================================
|
|
--- linux-4.9.14.orig/drivers/soc/mediatek/mtk-scpsys.c
|
|
+++ linux-4.9.14/drivers/soc/mediatek/mtk-scpsys.c
|
|
@@ -20,6 +20,7 @@
|
|
#include <linux/regulator/consumer.h>
|
|
#include <linux/soc/mediatek/infracfg.h>
|
|
|
|
+#include <dt-bindings/power/mt2701-power.h>
|
|
#include <dt-bindings/power/mt8173-power.h>
|
|
|
|
#define SPM_VDE_PWR_CON 0x0210
|
|
@@ -27,8 +28,13 @@
|
|
#define SPM_VEN_PWR_CON 0x0230
|
|
#define SPM_ISP_PWR_CON 0x0238
|
|
#define SPM_DIS_PWR_CON 0x023c
|
|
+#define SPM_CONN_PWR_CON 0x0280
|
|
#define SPM_VEN2_PWR_CON 0x0298
|
|
-#define SPM_AUDIO_PWR_CON 0x029c
|
|
+#define SPM_AUDIO_PWR_CON 0x029c /* MT8173 */
|
|
+#define SPM_BDP_PWR_CON 0x029c /* MT2701 */
|
|
+#define SPM_ETH_PWR_CON 0x02a0
|
|
+#define SPM_HIF_PWR_CON 0x02a4
|
|
+#define SPM_IFR_MSC_PWR_CON 0x02a8
|
|
#define SPM_MFG_2D_PWR_CON 0x02c0
|
|
#define SPM_MFG_ASYNC_PWR_CON 0x02c4
|
|
#define SPM_USB_PWR_CON 0x02cc
|
|
@@ -42,10 +48,15 @@
|
|
#define PWR_ON_2ND_BIT BIT(3)
|
|
#define PWR_CLK_DIS_BIT BIT(4)
|
|
|
|
+#define PWR_STATUS_CONN BIT(1)
|
|
#define PWR_STATUS_DISP BIT(3)
|
|
#define PWR_STATUS_MFG BIT(4)
|
|
#define PWR_STATUS_ISP BIT(5)
|
|
#define PWR_STATUS_VDEC BIT(7)
|
|
+#define PWR_STATUS_BDP BIT(14)
|
|
+#define PWR_STATUS_ETH BIT(15)
|
|
+#define PWR_STATUS_HIF BIT(16)
|
|
+#define PWR_STATUS_IFR_MSC BIT(17)
|
|
#define PWR_STATUS_VENC_LT BIT(20)
|
|
#define PWR_STATUS_VENC BIT(21)
|
|
#define PWR_STATUS_MFG_2D BIT(22)
|
|
@@ -59,6 +70,7 @@ enum clk_id {
|
|
CLK_MFG,
|
|
CLK_VENC,
|
|
CLK_VENC_LT,
|
|
+ CLK_ETHIF,
|
|
CLK_MAX,
|
|
};
|
|
|
|
@@ -68,6 +80,7 @@ static const char * const clk_names[] =
|
|
"mfg",
|
|
"venc",
|
|
"venc_lt",
|
|
+ "ethif",
|
|
NULL,
|
|
};
|
|
|
|
@@ -455,6 +468,96 @@ static void mtk_register_power_domains(s
|
|
}
|
|
|
|
/*
|
|
+ * MT2701 power domain support
|
|
+ */
|
|
+
|
|
+static const struct scp_domain_data scp_domain_data_mt2701[] = {
|
|
+ [MT2701_POWER_DOMAIN_CONN] = {
|
|
+ .name = "conn",
|
|
+ .sta_mask = PWR_STATUS_CONN,
|
|
+ .ctl_offs = SPM_CONN_PWR_CON,
|
|
+ .bus_prot_mask = 0x0104,
|
|
+ .clk_id = {CLK_NONE},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_DISP] = {
|
|
+ .name = "disp",
|
|
+ .sta_mask = PWR_STATUS_DISP,
|
|
+ .ctl_offs = SPM_DIS_PWR_CON,
|
|
+ .sram_pdn_bits = GENMASK(11, 8),
|
|
+ .clk_id = {CLK_MM},
|
|
+ .bus_prot_mask = 0x0002,
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_VDEC] = {
|
|
+ .name = "vdec",
|
|
+ .sta_mask = PWR_STATUS_VDEC,
|
|
+ .ctl_offs = SPM_VDE_PWR_CON,
|
|
+ .sram_pdn_bits = GENMASK(11, 8),
|
|
+ .sram_pdn_ack_bits = GENMASK(12, 12),
|
|
+ .clk_id = {CLK_MM},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_ISP] = {
|
|
+ .name = "isp",
|
|
+ .sta_mask = PWR_STATUS_ISP,
|
|
+ .ctl_offs = SPM_ISP_PWR_CON,
|
|
+ .sram_pdn_bits = GENMASK(11, 8),
|
|
+ .sram_pdn_ack_bits = GENMASK(13, 12),
|
|
+ .clk_id = {CLK_MM},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_BDP] = {
|
|
+ .name = "bdp",
|
|
+ .sta_mask = PWR_STATUS_BDP,
|
|
+ .ctl_offs = SPM_BDP_PWR_CON,
|
|
+ .sram_pdn_bits = GENMASK(11, 8),
|
|
+ .clk_id = {CLK_NONE},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_ETH] = {
|
|
+ .name = "eth",
|
|
+ .sta_mask = PWR_STATUS_ETH,
|
|
+ .ctl_offs = SPM_ETH_PWR_CON,
|
|
+ .sram_pdn_bits = GENMASK(11, 8),
|
|
+ .sram_pdn_ack_bits = GENMASK(15, 12),
|
|
+ .clk_id = {CLK_ETHIF},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_HIF] = {
|
|
+ .name = "hif",
|
|
+ .sta_mask = PWR_STATUS_HIF,
|
|
+ .ctl_offs = SPM_HIF_PWR_CON,
|
|
+ .sram_pdn_bits = GENMASK(11, 8),
|
|
+ .sram_pdn_ack_bits = GENMASK(15, 12),
|
|
+ .clk_id = {CLK_ETHIF},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+ [MT2701_POWER_DOMAIN_IFR_MSC] = {
|
|
+ .name = "ifr_msc",
|
|
+ .sta_mask = PWR_STATUS_IFR_MSC,
|
|
+ .ctl_offs = SPM_IFR_MSC_PWR_CON,
|
|
+ .clk_id = {CLK_NONE},
|
|
+ .active_wakeup = true,
|
|
+ },
|
|
+};
|
|
+
|
|
+#define NUM_DOMAINS_MT2701 ARRAY_SIZE(scp_domain_data_mt2701)
|
|
+
|
|
+static int __init scpsys_probe_mt2701(struct platform_device *pdev)
|
|
+{
|
|
+ struct scp *scp;
|
|
+
|
|
+ scp = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701);
|
|
+ if (IS_ERR(scp))
|
|
+ return PTR_ERR(scp);
|
|
+
|
|
+ mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT2701);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
* MT8173 power domain support
|
|
*/
|
|
|
|
@@ -583,6 +686,9 @@ static int __init scpsys_probe_mt8173(st
|
|
|
|
static const struct of_device_id of_scpsys_match_tbl[] = {
|
|
{
|
|
+ .compatible = "mediatek,mt2701-scpsys",
|
|
+ .data = scpsys_probe_mt2701,
|
|
+ }, {
|
|
.compatible = "mediatek,mt8173-scpsys",
|
|
.data = scpsys_probe_mt8173,
|
|
}, {
|
|
|