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Diffstat (limited to 'target/linux/mediatek/patches-4.9/0008-soc-mediatek-Refine-scpsys-to-support-multiple-platf.patch')
-rw-r--r--target/linux/mediatek/patches-4.9/0008-soc-mediatek-Refine-scpsys-to-support-multiple-platf.patch487
1 files changed, 0 insertions, 487 deletions
diff --git a/target/linux/mediatek/patches-4.9/0008-soc-mediatek-Refine-scpsys-to-support-multiple-platf.patch b/target/linux/mediatek/patches-4.9/0008-soc-mediatek-Refine-scpsys-to-support-multiple-platf.patch
deleted file mode 100644
index 1d83e9ae5d..0000000000
--- a/target/linux/mediatek/patches-4.9/0008-soc-mediatek-Refine-scpsys-to-support-multiple-platf.patch
+++ /dev/null
@@ -1,487 +0,0 @@
-From b5a1e520d8039c242b2157b511f684ce464d6e21 Mon Sep 17 00:00:00 2001
-From: James Liao <jamesjj.liao@mediatek.com>
-Date: Thu, 20 Oct 2016 16:56:35 +0800
-Subject: [PATCH 08/57] soc: mediatek: Refine scpsys to support multiple
- platform
-
-Refine scpsys driver common code to support multiple SoC / platform.
-
-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/mtk-scpsys.c | 348 +++++++++++++++++++++++---------------
- 1 file changed, 210 insertions(+), 138 deletions(-)
-
---- a/drivers/soc/mediatek/mtk-scpsys.c
-+++ b/drivers/soc/mediatek/mtk-scpsys.c
-@@ -11,17 +11,15 @@
- * GNU General Public License for more details.
- */
- #include <linux/clk.h>
--#include <linux/delay.h>
-+#include <linux/init.h>
- #include <linux/io.h>
--#include <linux/kernel.h>
- #include <linux/mfd/syscon.h>
--#include <linux/init.h>
- #include <linux/of_device.h>
- #include <linux/platform_device.h>
- #include <linux/pm_domain.h>
--#include <linux/regmap.h>
--#include <linux/soc/mediatek/infracfg.h>
- #include <linux/regulator/consumer.h>
-+#include <linux/soc/mediatek/infracfg.h>
-+
- #include <dt-bindings/power/mt8173-power.h>
-
- #define SPM_VDE_PWR_CON 0x0210
-@@ -34,6 +32,7 @@
- #define SPM_MFG_2D_PWR_CON 0x02c0
- #define SPM_MFG_ASYNC_PWR_CON 0x02c4
- #define SPM_USB_PWR_CON 0x02cc
-+
- #define SPM_PWR_STATUS 0x060c
- #define SPM_PWR_STATUS_2ND 0x0610
-
-@@ -55,12 +54,21 @@
- #define PWR_STATUS_USB BIT(25)
-
- enum clk_id {
-- MT8173_CLK_NONE,
-- MT8173_CLK_MM,
-- MT8173_CLK_MFG,
-- MT8173_CLK_VENC,
-- MT8173_CLK_VENC_LT,
-- MT8173_CLK_MAX,
-+ CLK_NONE,
-+ CLK_MM,
-+ CLK_MFG,
-+ CLK_VENC,
-+ CLK_VENC_LT,
-+ CLK_MAX,
-+};
-+
-+static const char * const clk_names[] = {
-+ NULL,
-+ "mm",
-+ "mfg",
-+ "venc",
-+ "venc_lt",
-+ NULL,
- };
-
- #define MAX_CLKS 2
-@@ -76,98 +84,6 @@ struct scp_domain_data {
- bool active_wakeup;
- };
-
--static const struct scp_domain_data scp_domain_data[] = {
-- [MT8173_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 = {MT8173_CLK_MM},
-- },
-- [MT8173_POWER_DOMAIN_VENC] = {
-- .name = "venc",
-- .sta_mask = PWR_STATUS_VENC,
-- .ctl_offs = SPM_VEN_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = GENMASK(15, 12),
-- .clk_id = {MT8173_CLK_MM, MT8173_CLK_VENC},
-- },
-- [MT8173_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 = {MT8173_CLK_MM},
-- },
-- [MT8173_POWER_DOMAIN_MM] = {
-- .name = "mm",
-- .sta_mask = PWR_STATUS_DISP,
-- .ctl_offs = SPM_DIS_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = GENMASK(12, 12),
-- .clk_id = {MT8173_CLK_MM},
-- .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
-- MT8173_TOP_AXI_PROT_EN_MM_M1,
-- },
-- [MT8173_POWER_DOMAIN_VENC_LT] = {
-- .name = "venc_lt",
-- .sta_mask = PWR_STATUS_VENC_LT,
-- .ctl_offs = SPM_VEN2_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = GENMASK(15, 12),
-- .clk_id = {MT8173_CLK_MM, MT8173_CLK_VENC_LT},
-- },
-- [MT8173_POWER_DOMAIN_AUDIO] = {
-- .name = "audio",
-- .sta_mask = PWR_STATUS_AUDIO,
-- .ctl_offs = SPM_AUDIO_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = GENMASK(15, 12),
-- .clk_id = {MT8173_CLK_NONE},
-- },
-- [MT8173_POWER_DOMAIN_USB] = {
-- .name = "usb",
-- .sta_mask = PWR_STATUS_USB,
-- .ctl_offs = SPM_USB_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = GENMASK(15, 12),
-- .clk_id = {MT8173_CLK_NONE},
-- .active_wakeup = true,
-- },
-- [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
-- .name = "mfg_async",
-- .sta_mask = PWR_STATUS_MFG_ASYNC,
-- .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = 0,
-- .clk_id = {MT8173_CLK_MFG},
-- },
-- [MT8173_POWER_DOMAIN_MFG_2D] = {
-- .name = "mfg_2d",
-- .sta_mask = PWR_STATUS_MFG_2D,
-- .ctl_offs = SPM_MFG_2D_PWR_CON,
-- .sram_pdn_bits = GENMASK(11, 8),
-- .sram_pdn_ack_bits = GENMASK(13, 12),
-- .clk_id = {MT8173_CLK_NONE},
-- },
-- [MT8173_POWER_DOMAIN_MFG] = {
-- .name = "mfg",
-- .sta_mask = PWR_STATUS_MFG,
-- .ctl_offs = SPM_MFG_PWR_CON,
-- .sram_pdn_bits = GENMASK(13, 8),
-- .sram_pdn_ack_bits = GENMASK(21, 16),
-- .clk_id = {MT8173_CLK_NONE},
-- .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
-- MT8173_TOP_AXI_PROT_EN_MFG_M0 |
-- MT8173_TOP_AXI_PROT_EN_MFG_M1 |
-- MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
-- },
--};
--
--#define NUM_DOMAINS ARRAY_SIZE(scp_domain_data)
--
- struct scp;
-
- struct scp_domain {
-@@ -179,7 +95,7 @@ struct scp_domain {
- };
-
- struct scp {
-- struct scp_domain domains[NUM_DOMAINS];
-+ struct scp_domain *domains;
- struct genpd_onecell_data pd_data;
- struct device *dev;
- void __iomem *base;
-@@ -408,57 +324,55 @@ static bool scpsys_active_wakeup(struct
- return scpd->data->active_wakeup;
- }
-
--static int scpsys_probe(struct platform_device *pdev)
-+static void init_clks(struct platform_device *pdev, struct clk **clk)
-+{
-+ int i;
-+
-+ for (i = CLK_NONE + 1; i < CLK_MAX; i++)
-+ clk[i] = devm_clk_get(&pdev->dev, clk_names[i]);
-+}
-+
-+static struct scp *init_scp(struct platform_device *pdev,
-+ const struct scp_domain_data *scp_domain_data, int num)
- {
- struct genpd_onecell_data *pd_data;
- struct resource *res;
-- int i, j, ret;
-+ int i, j;
- struct scp *scp;
-- struct clk *clk[MT8173_CLK_MAX];
-+ struct clk *clk[CLK_MAX];
-
- scp = devm_kzalloc(&pdev->dev, sizeof(*scp), GFP_KERNEL);
- if (!scp)
-- return -ENOMEM;
-+ return ERR_PTR(-ENOMEM);
-
- scp->dev = &pdev->dev;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- scp->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(scp->base))
-- return PTR_ERR(scp->base);
-+ return ERR_CAST(scp->base);
-+
-+ scp->domains = devm_kzalloc(&pdev->dev,
-+ sizeof(*scp->domains) * num, GFP_KERNEL);
-+ if (!scp->domains)
-+ return ERR_PTR(-ENOMEM);
-
- pd_data = &scp->pd_data;
-
- pd_data->domains = devm_kzalloc(&pdev->dev,
-- sizeof(*pd_data->domains) * NUM_DOMAINS, GFP_KERNEL);
-+ sizeof(*pd_data->domains) * num, GFP_KERNEL);
- if (!pd_data->domains)
-- return -ENOMEM;
--
-- clk[MT8173_CLK_MM] = devm_clk_get(&pdev->dev, "mm");
-- if (IS_ERR(clk[MT8173_CLK_MM]))
-- return PTR_ERR(clk[MT8173_CLK_MM]);
--
-- clk[MT8173_CLK_MFG] = devm_clk_get(&pdev->dev, "mfg");
-- if (IS_ERR(clk[MT8173_CLK_MFG]))
-- return PTR_ERR(clk[MT8173_CLK_MFG]);
--
-- clk[MT8173_CLK_VENC] = devm_clk_get(&pdev->dev, "venc");
-- if (IS_ERR(clk[MT8173_CLK_VENC]))
-- return PTR_ERR(clk[MT8173_CLK_VENC]);
--
-- clk[MT8173_CLK_VENC_LT] = devm_clk_get(&pdev->dev, "venc_lt");
-- if (IS_ERR(clk[MT8173_CLK_VENC_LT]))
-- return PTR_ERR(clk[MT8173_CLK_VENC_LT]);
-+ return ERR_PTR(-ENOMEM);
-
- scp->infracfg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "infracfg");
- if (IS_ERR(scp->infracfg)) {
- dev_err(&pdev->dev, "Cannot find infracfg controller: %ld\n",
- PTR_ERR(scp->infracfg));
-- return PTR_ERR(scp->infracfg);
-+ return ERR_CAST(scp->infracfg);
- }
-
-- for (i = 0; i < NUM_DOMAINS; i++) {
-+ for (i = 0; i < num; i++) {
- struct scp_domain *scpd = &scp->domains[i];
- const struct scp_domain_data *data = &scp_domain_data[i];
-
-@@ -467,13 +381,15 @@ static int scpsys_probe(struct platform_
- if (PTR_ERR(scpd->supply) == -ENODEV)
- scpd->supply = NULL;
- else
-- return PTR_ERR(scpd->supply);
-+ return ERR_CAST(scpd->supply);
- }
- }
-
-- pd_data->num_domains = NUM_DOMAINS;
-+ pd_data->num_domains = num;
-+
-+ init_clks(pdev, clk);
-
-- for (i = 0; i < NUM_DOMAINS; i++) {
-+ for (i = 0; i < num; i++) {
- struct scp_domain *scpd = &scp->domains[i];
- struct generic_pm_domain *genpd = &scpd->genpd;
- const struct scp_domain_data *data = &scp_domain_data[i];
-@@ -482,13 +398,37 @@ static int scpsys_probe(struct platform_
- scpd->scp = scp;
-
- scpd->data = data;
-- for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++)
-- scpd->clk[j] = clk[data->clk_id[j]];
-+
-+ for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) {
-+ struct clk *c = clk[data->clk_id[j]];
-+
-+ if (IS_ERR(c)) {
-+ dev_err(&pdev->dev, "%s: clk unavailable\n",
-+ data->name);
-+ return ERR_CAST(c);
-+ }
-+
-+ scpd->clk[j] = c;
-+ }
-
- genpd->name = data->name;
- genpd->power_off = scpsys_power_off;
- genpd->power_on = scpsys_power_on;
- genpd->dev_ops.active_wakeup = scpsys_active_wakeup;
-+ }
-+
-+ return scp;
-+}
-+
-+static void mtk_register_power_domains(struct platform_device *pdev,
-+ struct scp *scp, int num)
-+{
-+ struct genpd_onecell_data *pd_data;
-+ int i, ret;
-+
-+ for (i = 0; i < num; i++) {
-+ struct scp_domain *scpd = &scp->domains[i];
-+ struct generic_pm_domain *genpd = &scpd->genpd;
-
- /*
- * Initially turn on all domains to make the domains usable
-@@ -507,6 +447,123 @@ static int scpsys_probe(struct platform_
- * valid.
- */
-
-+ pd_data = &scp->pd_data;
-+
-+ ret = of_genpd_add_provider_onecell(pdev->dev.of_node, pd_data);
-+ if (ret)
-+ dev_err(&pdev->dev, "Failed to add OF provider: %d\n", ret);
-+}
-+
-+/*
-+ * MT8173 power domain support
-+ */
-+
-+static const struct scp_domain_data scp_domain_data_mt8173[] = {
-+ [MT8173_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},
-+ },
-+ [MT8173_POWER_DOMAIN_VENC] = {
-+ .name = "venc",
-+ .sta_mask = PWR_STATUS_VENC,
-+ .ctl_offs = SPM_VEN_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = GENMASK(15, 12),
-+ .clk_id = {CLK_MM, CLK_VENC},
-+ },
-+ [MT8173_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},
-+ },
-+ [MT8173_POWER_DOMAIN_MM] = {
-+ .name = "mm",
-+ .sta_mask = PWR_STATUS_DISP,
-+ .ctl_offs = SPM_DIS_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = GENMASK(12, 12),
-+ .clk_id = {CLK_MM},
-+ .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
-+ MT8173_TOP_AXI_PROT_EN_MM_M1,
-+ },
-+ [MT8173_POWER_DOMAIN_VENC_LT] = {
-+ .name = "venc_lt",
-+ .sta_mask = PWR_STATUS_VENC_LT,
-+ .ctl_offs = SPM_VEN2_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = GENMASK(15, 12),
-+ .clk_id = {CLK_MM, CLK_VENC_LT},
-+ },
-+ [MT8173_POWER_DOMAIN_AUDIO] = {
-+ .name = "audio",
-+ .sta_mask = PWR_STATUS_AUDIO,
-+ .ctl_offs = SPM_AUDIO_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = GENMASK(15, 12),
-+ .clk_id = {CLK_NONE},
-+ },
-+ [MT8173_POWER_DOMAIN_USB] = {
-+ .name = "usb",
-+ .sta_mask = PWR_STATUS_USB,
-+ .ctl_offs = SPM_USB_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = GENMASK(15, 12),
-+ .clk_id = {CLK_NONE},
-+ .active_wakeup = true,
-+ },
-+ [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
-+ .name = "mfg_async",
-+ .sta_mask = PWR_STATUS_MFG_ASYNC,
-+ .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = 0,
-+ .clk_id = {CLK_MFG},
-+ },
-+ [MT8173_POWER_DOMAIN_MFG_2D] = {
-+ .name = "mfg_2d",
-+ .sta_mask = PWR_STATUS_MFG_2D,
-+ .ctl_offs = SPM_MFG_2D_PWR_CON,
-+ .sram_pdn_bits = GENMASK(11, 8),
-+ .sram_pdn_ack_bits = GENMASK(13, 12),
-+ .clk_id = {CLK_NONE},
-+ },
-+ [MT8173_POWER_DOMAIN_MFG] = {
-+ .name = "mfg",
-+ .sta_mask = PWR_STATUS_MFG,
-+ .ctl_offs = SPM_MFG_PWR_CON,
-+ .sram_pdn_bits = GENMASK(13, 8),
-+ .sram_pdn_ack_bits = GENMASK(21, 16),
-+ .clk_id = {CLK_NONE},
-+ .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
-+ MT8173_TOP_AXI_PROT_EN_MFG_M0 |
-+ MT8173_TOP_AXI_PROT_EN_MFG_M1 |
-+ MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
-+ },
-+};
-+
-+#define NUM_DOMAINS_MT8173 ARRAY_SIZE(scp_domain_data_mt8173)
-+
-+static int __init scpsys_probe_mt8173(struct platform_device *pdev)
-+{
-+ struct scp *scp;
-+ struct genpd_onecell_data *pd_data;
-+ int ret;
-+
-+ scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173);
-+ if (IS_ERR(scp))
-+ return PTR_ERR(scp);
-+
-+ mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT8173);
-+
-+ pd_data = &scp->pd_data;
-+
- ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_ASYNC],
- pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D]);
- if (ret && IS_ENABLED(CONFIG_PM))
-@@ -517,21 +574,36 @@ static int scpsys_probe(struct platform_
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
-
-- ret = of_genpd_add_provider_onecell(pdev->dev.of_node, pd_data);
-- if (ret)
-- dev_err(&pdev->dev, "Failed to add OF provider: %d\n", ret);
--
- return 0;
- }
-
-+/*
-+ * scpsys driver init
-+ */
-+
- static const struct of_device_id of_scpsys_match_tbl[] = {
- {
- .compatible = "mediatek,mt8173-scpsys",
-+ .data = scpsys_probe_mt8173,
- }, {
- /* sentinel */
- }
- };
-
-+static int scpsys_probe(struct platform_device *pdev)
-+{
-+ int (*probe)(struct platform_device *);
-+ const struct of_device_id *of_id;
-+
-+ of_id = of_match_node(of_scpsys_match_tbl, pdev->dev.of_node);
-+ if (!of_id || !of_id->data)
-+ return -EINVAL;
-+
-+ probe = of_id->data;
-+
-+ return probe(pdev);
-+}
-+
- static struct platform_driver scpsys_drv = {
- .probe = scpsys_probe,
- .driver = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 23:01:29 +0000