- enhance scpsys to support mt6797
- add mt6797 support to scpsys - fix error path in pmic-wrapper - fix possible NULL pointer dereference in pmic-wrapper -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJZPms9AAoJELQ5Ylss8dNDrlEP/iKVAHxBG3uNijaHKMD6U+sJ gGoppjbj2/l3xC4K7ngyUOsidsNRJk5jXWuklIlRJ+XcJSLFRJ1eJTKv00dJdwdf QvN41hGKQ0GFSetXorxyMtHpAVi2VWM0FReFbccrvf8Gwu9e0WhfBzfKb/l+pzb8 ttawydaAst7SRE7Qlbgks7lafRfjSJWnguLKllhGHdlmdn8SiKxR9uD2isgb7BaN gTPgsRtwuKCjYrlIXPg/y/3ykXL1A5CYvwGCJzbIyM9Oz4DmfQkuonzfg5o87ysA UpX+bpMjheAAmjDUXy5MYEoRKyiRVE43ccQnX+wiw82p1onGL7hWeXngX7gtajlb gAoGnxZByJlEOHCJVCnGEWZuzxaR0PbZygKKAUEWU/2sLDTQX9ThmbaWplis3Dde pkKXdoENAaSEiAhTRrHfhMR3IGZQ0B/LVK4Uoc9Lfa87kmDS/RTd/SpYz5/HZQ/b 8Qggg44V99RwAQbU9jke3PYTDYqOGop4By1CfZiw9394aOVussCf8wVKy1bqcjsj 5wcF2YB0IUDEoqCivp4GpR/pbBpvKeL88rFGrebXBIEGDLLV/6PHTmV0YJw4hj8D vsb2hZyLdTBzyBhZ4Md7jnvFr726VfdDWcjgTsq0JRrAaGeCa3ll9tEuOQW2mVKa nNQOtQgFrEmY9ihz//NW =0f1S -----END PGP SIGNATURE----- Merge tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers - enhance scpsys to support mt6797 - add mt6797 support to scpsys - fix error path in pmic-wrapper - fix possible NULL pointer dereference in pmic-wrapper * tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek: soc: mediatek: PMIC wrap: Fix possible NULL derefrence. soc: mediatek: PMIC wrap: Fix error handling soc: mediatek: add MT6797 scpsys support soc: mediatek: add vdec item for scpsys soc: mediatek: avoid using fixed spm power status defines Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson
commit
7a699a85e1
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@ -1117,6 +1117,11 @@ static int pwrap_probe(struct platform_device *pdev)
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const struct of_device_id *of_slave_id = NULL;
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struct resource *res;
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if (!of_id) {
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dev_err(&pdev->dev, "Error: No device match found\n");
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return -ENODEV;
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}
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if (pdev->dev.of_node->child)
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of_slave_id = of_match_node(of_slave_match_tbl,
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pdev->dev.of_node->child);
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@ -1200,7 +1205,8 @@ static int pwrap_probe(struct platform_device *pdev)
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if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_INIT_DONE0)) {
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dev_dbg(wrp->dev, "initialization isn't finished\n");
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return -ENODEV;
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ret = -ENODEV;
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goto err_out2;
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}
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/* Initialize watchdog, may not be done by the bootloader */
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@ -1220,8 +1226,10 @@ static int pwrap_probe(struct platform_device *pdev)
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goto err_out2;
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wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, &pwrap_regmap_config);
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if (IS_ERR(wrp->regmap))
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return PTR_ERR(wrp->regmap);
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if (IS_ERR(wrp->regmap)) {
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ret = PTR_ERR(wrp->regmap);
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goto err_out2;
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}
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ret = of_platform_populate(np, NULL, NULL, wrp->dev);
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if (ret) {
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@ -21,6 +21,7 @@
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#include <linux/soc/mediatek/infracfg.h>
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#include <dt-bindings/power/mt2701-power.h>
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#include <dt-bindings/power/mt6797-power.h>
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#include <dt-bindings/power/mt8173-power.h>
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#define SPM_VDE_PWR_CON 0x0210
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@ -71,6 +72,7 @@ enum clk_id {
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CLK_VENC,
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CLK_VENC_LT,
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CLK_ETHIF,
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CLK_VDEC,
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CLK_MAX,
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};
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@ -81,6 +83,7 @@ static const char * const clk_names[] = {
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"venc",
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"venc_lt",
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"ethif",
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"vdec",
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NULL,
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};
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@ -107,20 +110,27 @@ struct scp_domain {
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struct regulator *supply;
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};
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struct scp_ctrl_reg {
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int pwr_sta_offs;
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int pwr_sta2nd_offs;
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};
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struct scp {
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struct scp_domain *domains;
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struct genpd_onecell_data pd_data;
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struct device *dev;
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void __iomem *base;
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struct regmap *infracfg;
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struct scp_ctrl_reg ctrl_reg;
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};
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static int scpsys_domain_is_on(struct scp_domain *scpd)
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{
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struct scp *scp = scpd->scp;
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u32 status = readl(scp->base + SPM_PWR_STATUS) & scpd->data->sta_mask;
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u32 status2 = readl(scp->base + SPM_PWR_STATUS_2ND) &
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u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) &
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scpd->data->sta_mask;
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u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) &
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scpd->data->sta_mask;
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/*
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@ -346,7 +356,8 @@ static void init_clks(struct platform_device *pdev, struct clk **clk)
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}
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static struct scp *init_scp(struct platform_device *pdev,
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const struct scp_domain_data *scp_domain_data, int num)
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const struct scp_domain_data *scp_domain_data, int num,
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struct scp_ctrl_reg *scp_ctrl_reg)
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{
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struct genpd_onecell_data *pd_data;
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struct resource *res;
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@ -358,6 +369,9 @@ static struct scp *init_scp(struct platform_device *pdev,
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if (!scp)
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return ERR_PTR(-ENOMEM);
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scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
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scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
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scp->dev = &pdev->dev;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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@ -556,8 +570,13 @@ static const struct scp_domain_data scp_domain_data_mt2701[] = {
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static int __init scpsys_probe_mt2701(struct platform_device *pdev)
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{
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struct scp *scp;
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struct scp_ctrl_reg scp_reg;
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scp = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701);
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scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
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scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
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scp = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701,
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&scp_reg);
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if (IS_ERR(scp))
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return PTR_ERR(scp);
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@ -566,6 +585,116 @@ static int __init scpsys_probe_mt2701(struct platform_device *pdev)
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return 0;
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}
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/*
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* MT6797 power domain support
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*/
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static const struct scp_domain_data scp_domain_data_mt6797[] = {
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[MT6797_POWER_DOMAIN_VDEC] = {
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.name = "vdec",
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.sta_mask = BIT(7),
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.ctl_offs = 0x300,
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.sram_pdn_bits = GENMASK(8, 8),
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.sram_pdn_ack_bits = GENMASK(12, 12),
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.clk_id = {CLK_VDEC},
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},
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[MT6797_POWER_DOMAIN_VENC] = {
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.name = "venc",
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.sta_mask = BIT(21),
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.ctl_offs = 0x304,
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.sram_pdn_bits = GENMASK(11, 8),
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.sram_pdn_ack_bits = GENMASK(15, 12),
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.clk_id = {CLK_NONE},
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},
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[MT6797_POWER_DOMAIN_ISP] = {
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.name = "isp",
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.sta_mask = BIT(5),
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.ctl_offs = 0x308,
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.sram_pdn_bits = GENMASK(9, 8),
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.sram_pdn_ack_bits = GENMASK(13, 12),
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.clk_id = {CLK_NONE},
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},
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[MT6797_POWER_DOMAIN_MM] = {
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.name = "mm",
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.sta_mask = BIT(3),
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.ctl_offs = 0x30C,
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.sram_pdn_bits = GENMASK(8, 8),
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.sram_pdn_ack_bits = GENMASK(12, 12),
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.clk_id = {CLK_MM},
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.bus_prot_mask = (BIT(1) | BIT(2)),
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},
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[MT6797_POWER_DOMAIN_AUDIO] = {
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.name = "audio",
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.sta_mask = BIT(24),
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.ctl_offs = 0x314,
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.sram_pdn_bits = GENMASK(11, 8),
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.sram_pdn_ack_bits = GENMASK(15, 12),
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.clk_id = {CLK_NONE},
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},
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[MT6797_POWER_DOMAIN_MFG_ASYNC] = {
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.name = "mfg_async",
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.sta_mask = BIT(13),
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.ctl_offs = 0x334,
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.sram_pdn_bits = 0,
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.sram_pdn_ack_bits = 0,
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.clk_id = {CLK_MFG},
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},
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[MT6797_POWER_DOMAIN_MJC] = {
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.name = "mjc",
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.sta_mask = BIT(20),
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.ctl_offs = 0x310,
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.sram_pdn_bits = GENMASK(8, 8),
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.sram_pdn_ack_bits = GENMASK(12, 12),
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.clk_id = {CLK_NONE},
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},
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};
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#define NUM_DOMAINS_MT6797 ARRAY_SIZE(scp_domain_data_mt6797)
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#define SPM_PWR_STATUS_MT6797 0x0180
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#define SPM_PWR_STATUS_2ND_MT6797 0x0184
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static int __init scpsys_probe_mt6797(struct platform_device *pdev)
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{
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struct scp *scp;
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struct genpd_onecell_data *pd_data;
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int ret;
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struct scp_ctrl_reg scp_reg;
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scp_reg.pwr_sta_offs = SPM_PWR_STATUS_MT6797;
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scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797;
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scp = init_scp(pdev, scp_domain_data_mt6797, NUM_DOMAINS_MT6797,
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&scp_reg);
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if (IS_ERR(scp))
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return PTR_ERR(scp);
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mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT6797);
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pd_data = &scp->pd_data;
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ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
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pd_data->domains[MT6797_POWER_DOMAIN_VDEC]);
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if (ret && IS_ENABLED(CONFIG_PM))
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dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
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ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
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pd_data->domains[MT6797_POWER_DOMAIN_ISP]);
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if (ret && IS_ENABLED(CONFIG_PM))
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dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
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ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
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pd_data->domains[MT6797_POWER_DOMAIN_VENC]);
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if (ret && IS_ENABLED(CONFIG_PM))
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dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
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ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
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pd_data->domains[MT6797_POWER_DOMAIN_MJC]);
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if (ret && IS_ENABLED(CONFIG_PM))
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dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
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return 0;
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}
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/*
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* MT8173 power domain support
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*/
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@ -667,8 +796,13 @@ static int __init scpsys_probe_mt8173(struct platform_device *pdev)
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struct scp *scp;
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struct genpd_onecell_data *pd_data;
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int ret;
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struct scp_ctrl_reg scp_reg;
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scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173);
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scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
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scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
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scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173,
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&scp_reg);
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if (IS_ERR(scp))
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return PTR_ERR(scp);
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@ -697,6 +831,9 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
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{
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.compatible = "mediatek,mt2701-scpsys",
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.data = scpsys_probe_mt2701,
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}, {
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.compatible = "mediatek,mt6797-scpsys",
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.data = scpsys_probe_mt6797,
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}, {
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.compatible = "mediatek,mt8173-scpsys",
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.data = scpsys_probe_mt8173,
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@ -0,0 +1,30 @@
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/*
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* Copyright (c) 2017 MediaTek Inc.
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* Author: Mars.C <mars.cheng@mediatek.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _DT_BINDINGS_POWER_MT6797_POWER_H
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#define _DT_BINDINGS_POWER_MT6797_POWER_H
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#define MT6797_POWER_DOMAIN_VDEC 0
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#define MT6797_POWER_DOMAIN_VENC 1
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#define MT6797_POWER_DOMAIN_ISP 2
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#define MT6797_POWER_DOMAIN_MM 3
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#define MT6797_POWER_DOMAIN_AUDIO 4
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#define MT6797_POWER_DOMAIN_MFG_ASYNC 5
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#define MT6797_POWER_DOMAIN_MFG 6
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#define MT6797_POWER_DOMAIN_MFG_CORE0 7
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#define MT6797_POWER_DOMAIN_MFG_CORE1 8
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#define MT6797_POWER_DOMAIN_MFG_CORE2 9
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#define MT6797_POWER_DOMAIN_MFG_CORE3 10
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#define MT6797_POWER_DOMAIN_MJC 11
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#endif /* _DT_BINDINGS_POWER_MT6797_POWER_H */
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